Strategic Infrastructure

Roads & Bridges

Roads and bridges covers the strategic road network and its major fixed assets, including highways and trunk roads, major bridges, tunnels, interchanges, toll plazas and bus rapid transit corridors. One of the capabilities of Transport Infrastructure.

International families: 22k2015 to 2024
Leading country: China1.0× the next
All families: 237khome filings included
Over five years: Steady2020 to 2024 against the five before

Year by year

Patent families by country of origin and the year of the earliest filing, 2000 to 2025; 2025 is a part year, still filling in. International families are those for which protection was sought beyond one country.

Volume

International patent families in the capability, by the year of the earliest filing.

Source: Global Institute for National Capability (GINC), 2026. Underlying patents from 107 patent offices, IFI CLAIMS and Google

Share by country

Each country's share of the year's international families, in per cent: the capability's five largest countries of origin, 2015 to 2024, and the rest of the world.

Source: Global Institute for National Capability (GINC), 2026. Underlying patents from 107 patent offices, IFI CLAIMS and Google

Country leaderboard

International patent families, 2015 to 2024, by country of origin. Growth compares the latest five full years with the five before.

Ten largest

China

United States

Japan

Germany

South Korea

France

United Kingdom

Italy

Sweden

Canada

4,101

4,012

3,973

2,790

1,426

578

451

414

397

354


1	China	4,101	18.9%	1.4×	174,452
2	United States	4,012	18.5%	0.8×	7,596
3	Japan	3,973	18.3%	1.1×	16,763
4	Germany	2,790	12.8%	0.9×	4,653
5	South Korea	1,426	6.6%	1.0×	22,885
6	France	578	2.7%	0.7×	1,151
7	United Kingdom	451	2.1%	0.8×	791
8	Italy	414	1.9%	1.1×	774
9	Sweden	397	1.8%	0.9×	473
10	Canada	354	1.6%	0.8×	638
11	Netherlands	353	1.6%	0.5×	687
12	Switzerland	303	1.4%	0.6×	369
13	Australia	255	1.2%	0.7×	516
14	Taiwan	252	1.2%	1.1×	695
15	Austria	240	1.1%	0.9×	298
16	Spain	178	0.8%	1.1×	277
17	Israel	143	0.7%	0.7×	197
18	Finland	135	0.6%	1.0×	158
19	Türkiye	118	0.5%	1.2×	284
20	India	117	0.5%	0.7×	191
21	Belgium	115	0.5%	1.1×	181
22	Norway	80	0.4%	0.5×	121
23	Denmark	78	0.4%	0.8×	93
24	Poland	68	0.3%	0.8×	621
25	Russia	61	0.3%	1.0×	1,001
26	Singapore	57	0.3%	1.1×	73
27	Brazil	55	0.3%	1.2×	171
28	New Zealand	52	0.2%	0.9×	78
29	Portugal	49	0.2%	1.4×	73
30	Czechia	45	0.2%	1.0×	105
31	Ireland	34	0.2%	0.8×	57
32	South Africa	34	0.2%	0.7×	35
33	Hong Kong	26	0.1%	0.9×	39
34	Hungary	24	0.1%	1.0×	57
35	Luxembourg	23	0.1%	0.9×	30
36	Cayman Islands	22	0.1%	0.0×	33
37	Saudi Arabia	20	0.1%	1.2×	51
38	Mexico	20	0.1%	0.2×	61
39	Malaysia	13	0.1%	0.6×	41
40	Liechtenstein	7	0.0%	6.0×	8

Applicants

The largest applicants by international patent families, 2015 to 2024: across the world, then within each of the five countries with the most families in Roads & Bridges. Names are as held in the source and are not consolidated across subsidiaries.

Global

21,735 international families

TOYOTA MOTOR CORP · Japan

TOYOTA MOTOR CO LTD · Japan

CATERPILLAR PAVING PRODUCTS INC · United States

BOSCH GMBH ROBERT · Germany

FORD GLOBAL TECH LLC · United States

HONDA MOTOR CO LTD · Japan

828

809

417

410

342

330

China

4,101 international families

HUAWEI TECH CO LTD

BEIJING BAIDU NETCOM SCI & TECH CO LTD

APOLLO INTELLIGENT CONNECTIVITY BEIJING TECHNOLOGY CO LTD

UNIV SHANDONG

UNIV CHINA MINING

BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD

192

United States

4,012 international families

CATERPILLAR PAVING PRODUCTS INC

FORD GLOBAL TECH LLC

GM GLOBAL TECH OPERATIONS LLC

QUALCOMM INC

CATERPILLAR INC

INTEL CORP

416

342

204

101

Japan

3,973 international families

TOYOTA MOTOR CORP

TOYOTA MOTOR CO LTD

HONDA MOTOR CO LTD

NEC CORP

DENSO CORP

MITSUBISHI ELECTRIC CORP

809

796

329

277

208

159

Germany

2,790 international families

BOSCH GMBH ROBERT

VOLKSWAGEN AG

WIRTGEN GMBH

BOMAG GMBH

JOSEPH VOEGELE AG

BAYERISCHE MOTOREN WERKE AG

408

170

144

128

108

South Korea

1,426 international families

HYUNDAI MOTOR CO LTD

KIA MOTORS CORP

KIA CORP

LG ELECTRONICS INC

SAMSUNG ELECTRONICS CO LTD

HYUNDAI MOBIS CO LTD

229

163

147

109

Similar capabilities

The nine capabilities that share the most international patent families with Roads & Bridges, 2015 to 2024: the families counted in both as a share of those counted in either. Each card shows its five largest countries.

Critical Technology

Autonomous Systems & Trusted Autonomy

5.0% shared · 3,746 families in both

Japan

United States

China

Germany

South Korea

15,331

13,144

8,455

5,859

5,850

Strategic Infrastructure

Mining & Quarrying

3.5% shared · 893 families in both

China

United States

Germany

Australia

South Africa

1,624

664

351

271

185

1.3% shared · 319 families in both

China

United States

Germany

Japan

South Korea

808

403

293

212

172

Crosswalk

How Roads & Bridges is matched to the patent classifications. The entries below were chosen for it; each stands for itself and everything beneath it in the scheme, 739 Cooperative entries in all. A patent family counts when any of its codes, in either scheme and at any office, falls under one of them. Codes since retired are placed under the entries that replaced them.

Entry	Title in the scheme	Why it is chosen	CPC codes	IPC codes	Documents
E01C	Construction of, or surfaces for, roads, sports grounds, or the like; machines or auxiliary tools for construction or repair	Road construction, paving and road-making machines	363	131	528,320
E01D	Construction of bridges, elevated roadways or viaducts; assembly of bridges	Bridges and viaducts	78	53	430,077
E01F	Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like	Road equipment: barriers, signs, noise walls	197	94	443,985
E21D9/00	Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries	Driving of tunnels	66	14	162,401
E21D11/00	Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling	Tunnel linings	45	23	166,881
E02D29/045	Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them	Cut-and-cover tunnels and underground structures	3	3	32,584
E02D29/063	Tunnels submerged into, or built in, open water	Immersed tunnels	5	5	4,862
G08G1/01	Detecting movement of traffic to be counted or controlled	Detecting and counting road traffic	22	10	283,903
G08G1/07	Controlling traffic signals	Control of traffic signals	8	7	36,671
G07B15/06	Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems	Road tolling and congestion charging	3	1	17,523

CPC and IPC codes are the codes in use on patent documents, at any office, that fall under the entry. Documents is the larger of the two schemes' counts of documents carrying one of them. An entry with no IPC codes can be told apart only in the Cooperative scheme.

The Cooperative codes in use that count towards Roads & Bridges: 790 codes on 1,326,476 documents. The 150 most used are listed; the full list is in the cpc-to-capability.csv download.

Code	Title	Under entry	How placed	Documents
E01D21/00	Methods or apparatus specially adapted for erecting or assembling bridges	E01D	In the scheme	37,234
G08G1/0112	Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]	G08G1/01	In the scheme	28,384
G08G1/04	Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors	G08G1/01	In the scheme	23,653
G08G1/0129	Traffic data processing for creating historical data or processing based on historical data	G08G1/01	In the scheme	22,315
G08G1/0125	Traffic data processing	G08G1/01	In the scheme	21,472
G08G1/0133	Traffic data processing for classifying traffic situation	G08G1/01	In the scheme	21,252
G08G1/0175	Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules	G08G1/01	In the scheme	18,147
G08G1/0141	Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination	G08G1/01	In the scheme	16,164
G08G1/052	Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed	G08G1/01	In the scheme	16,035
G08G1/0104	Measuring and analyzing of parameters relative to traffic conditions	G08G1/01	In the scheme	15,779
G08G1/0116	Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons	G08G1/01	In the scheme	15,746
G08G1/017	Detecting movement of traffic to be counted or controlled identifying vehicles	G08G1/01	In the scheme	14,420
E21D11/10	Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor	E21D11/00	In the scheme	14,338
E01D22/00	Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges	E01D	In the scheme	13,869
E01D19/00	Structural or constructional details of bridges	E01D	In the scheme	13,696
G08G1/0145	Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control	G08G1/01	In the scheme	13,673
G08G1/0137	Measuring and analyzing of parameters relative to traffic conditions for specific applications	G08G1/01	In the scheme	12,143
G07B15/063	Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station	G07B15/06	In the scheme	11,956
E01D19/02	Piers; Abutments ; Protecting same against drifting ice	E01D	In the scheme	11,223
E02D29/045	Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them	E02D29/045	In the scheme	10,528
G08G1/08	Controlling traffic signals according to detected number or speed of vehicles	G08G1/07	In the scheme	9,546
G08G1/07	Controlling traffic signals	G08G1/07	In the scheme	9,112
E21D11/105	Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete	E21D11/00	In the scheme	8,934
G08G1/01	Detecting movement of traffic to be counted or controlled	G08G1/01	In the scheme	8,697
E01D19/125	Grating or flooring for bridges	E01D	In the scheme	8,154
E01C13/08	Surfaces simulating grass ; Grass-grown sports grounds	E01C	In the scheme	8,064
E01C23/088	Rotary tools, e.g. milling drums	E01C	In the scheme	8,020
E01C19/48	Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ	E01C	In the scheme	7,217
G08G1/042	Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors	G08G1/01	In the scheme	7,122
E01C23/01	Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs	E01C	In the scheme	6,818
E21D11/38	Waterproofing; Heat insulating; Soundproofing; Electric insulating	E21D11/00	In the scheme	6,531
E21D9/06	Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining	E21D9/00	In the scheme	6,238
E01D2/04	Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type	E01D	In the scheme	6,229
G08G1/012	Measuring and analyzing of parameters relative to traffic conditions based on the source of data from other sources than vehicle or roadside beacons, e.g. mobile networks	G08G1/01	In the scheme	6,225
E01D19/06	Arrangement, construction or bridging of expansion joints	E01D	In the scheme	6,135
E21D11/08	Lining with building materials with preformed concrete slabs	E21D11/00	In the scheme	6,110
E01D2101/30	Metal	E01D	In the scheme	6,008
E01D19/16	Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables	E01D	In the scheme	5,832
E01D19/14	Towers; Anchors ; Connection of cables to bridge parts; Saddle supports	E01D	In the scheme	5,572
E01F9/608	Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones	E01F	In the scheme	5,380
G07B15/06	Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems	G07B15/06	In the scheme	5,315
E01C11/225	Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage	E01C	In the scheme	5,266
E21D11/18	Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches	E21D11/00	In the scheme	5,177
E21D9/00	Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries	E21D9/00	In the scheme	5,139
E01F8/0023	Details, e.g. foundations	E01F	In the scheme	5,015
E21D11/40	Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries	E21D11/00	In the scheme	4,985
G08G1/015	Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles	G08G1/01	In the scheme	4,944
E01C15/00	Pavings specially adapted for footpaths, sidewalks or cycle tracks	E01C	In the scheme	4,908
E01F9/619	Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean	E01F	In the scheme	4,837
E01F9/615	Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated	E01F	In the scheme	4,774
E01C3/04	Foundations produced by soil stabilisation	E01C	In the scheme	4,768
E01C5/00	Pavings made of prefabricated single units	E01C	In the scheme	4,735
G08G1/056	Detecting movement of traffic to be counted or controlled with provision for distinguishing direction of travel	G08G1/01	In the scheme	4,703
E01D2/00	Bridges characterised by the cross-section of their bearing spanning structure	E01D	In the scheme	4,694
E21D9/14	Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings	E21D9/00	In the scheme	4,580
E21D9/12	Devices for removing or hauling away excavated material or spoil; Working or loading platforms	E21D9/00	In the scheme	4,396
E21D9/001	Improving soil or rock, e.g. by freezing; Injections	E21D9/00	In the scheme	4,388
E01D19/103	Parapets, railings ; Guard barriers or road-bridges	E01D	In the scheme	4,193
E21D9/10	Making by using boring or cutting machines	E21D9/00	In the scheme	4,177
E01C11/227	Gutters; Channels ; Roof drainage discharge ducts set in sidewalks	E01C	In the scheme	4,144
E01F13/06	Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates	E01F	In the scheme	4,104
E01D19/04	Bearings; Hinges	E01D	In the scheme	4,093
E01F15/146	Means for vehicle stopping using impact energy absorbers fixed arrangements	E01F	In the scheme	3,988
E21D9/003	Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines	E21D9/00	In the scheme	3,983
E01D19/106	Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges	E01D	In the scheme	3,974
E21D11/00	Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling	E21D11/00	In the scheme	3,969
E01C7/18	Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders	E01C	In the scheme	3,966
E01F9/669	Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like	E01F	In the scheme	3,924
E01F9/688	Free-standing bodies	E01F	In the scheme	3,921
G08G1/081	Plural intersections under common control	G08G1/07	In the scheme	3,912
E01C3/00	Foundations for pavings	E01C	In the scheme	3,905
E01D2101/28	Concrete reinforced prestressed	E01D	In the scheme	3,856
E01C11/24	Methods or arrangements for preventing slipperiness or protecting against influences of the weather	E01C	In the scheme	3,825
G08G1/054	Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles	G08G1/01	In the scheme	3,811
E01C11/005	Methods or materials for repairing pavings	E01C	In the scheme	3,793
E01D2101/26	Concrete reinforced	E01D	In the scheme	3,787
E01C5/06	Pavings made of prefabricated single units made of units with cement or like binders	E01C	In the scheme	3,786
E01F9/529	Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps	E01F	In the scheme	3,746
E21D9/006	Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods	E21D9/00	In the scheme	3,714
G08G1/087	Override of traffic control, e.g. by signal transmitted by an emergency vehicle	G08G1/07	In the scheme	3,706
E21D9/08	Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield	E21D9/00	In the scheme	3,612
E21D11/152	Laggings made of grids or nettings	E21D11/00	In the scheme	3,554
E01F8/0017	Plate-like elements	E01F	In the scheme	3,549
G08G1/048	Detecting movement of traffic to be counted or controlled with provision for compensation of environmental or other condition, e.g. snow, vehicle stopped at detector	G08G1/01	In the scheme	3,474
E21D11/102	Removable shuttering; Bearing or supporting devices therefor	E21D11/00	In the scheme	3,435
E01D4/00	Arch-type bridges	E01D	In the scheme	3,320
E01C21/00	Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder	E01C	In the scheme	3,315
E01F7/045	Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps	E01F	In the scheme	3,260
E01C3/06	Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration	E01C	In the scheme	3,251
E01F9/617	Illuminated or wired-up posts, bollards, pillars or like upstanding bodies or structures for traffic guidance, warning or control	E01F	In the scheme	3,246
E01C23/127	Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers	E01C	In the scheme	3,235
E01F9/553	Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members	E01F	In the scheme	3,217
E01C1/002	Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road	E01C	In the scheme	3,168
E01F15/02	Continuous barriers extending along roads or between traffic lanes	E01F	In the scheme	3,164
E01F15/0461	Supports, e.g. posts	E01F	In the scheme	3,140
E21D11/107	Reinforcing elements therefor; Holders for the reinforcing elements	E21D11/00	In the scheme	3,119
E01D21/06	Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections	E01D	In the scheme	3,113
E01F13/04	Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage	E01F	In the scheme	3,098
E01D19/083	Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings	E01D	In the scheme	3,094
E01F13/02	Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers	E01F	In the scheme	3,053
E01C5/005	Individual couplings or spacer elements for joining the prefabricated units	E01C	In the scheme	3,048
G08G1/0108	Measuring and analyzing of parameters relative to traffic conditions based on the source of data	G08G1/01	In the scheme	3,047
E01F5/005	Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes	E01F	In the scheme	3,018
E01F13/12	Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats	E01F	In the scheme	2,957
E01C13/02	Foundations, e.g. with drainage or heating arrangements	E01C	In the scheme	2,949
E01D2101/268	Composite concrete-metal	E01D	In the scheme	2,939
E01F15/088	Details of element connection	E01F	In the scheme	2,933
E01C2201/20	Drainage details	E01C	In the scheme	2,892
E01D11/04	Cable-stayed bridges	E01D	In the scheme	2,873
E21D11/083	Methods or devices for joining adjacent concrete segments	E21D11/00	In the scheme	2,851
E21D9/1093	Devices for supporting, advancing or orientating the machine or the tool-carrier	E21D9/00	In the scheme	2,842
E01C5/22	Pavings made of prefabricated single units made of units composed of a mixture of materials covered by two or more of groups E01C5/008, E01C5/02 - E01C5/20 except embedded reinforcing materials	E01C	In the scheme	2,776
E01C2201/12	Paving elements vertically interlocking	E01C	In the scheme	2,771
E01F15/083	Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete	E01F	In the scheme	2,759
E01D19/041	Elastomeric bearings	E01D	In the scheme	2,739
E01C2201/16	Elements joined together	E01C	In the scheme	2,725
E01F9/559	Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members illuminated	E01F	In the scheme	2,712
G08G1/02	Detecting movement of traffic to be counted or controlled using treadles built into the road	G08G1/01	In the scheme	2,697
E01C2201/02	Paving elements having fixed spacing features	E01C	In the scheme	2,688
E01C9/00	Special pavings; Pavings for special parts of roads or airfields	E01C	In the scheme	2,684
E01D2/02	Bridges characterised by the cross-section of their bearing spanning structure of the I-girder type	E01D	In the scheme	2,662
E01C5/20	Pavings made of prefabricated single units made of units of plastics, e.g. concrete with plastics, linoleum	E01C	In the scheme	2,641
E01D1/00	Bridges in general	E01D	In the scheme	2,596
E01C19/05	Crushing, pulverising or disintegrating apparatus; Aggregate screening, cleaning, drying or heating apparatus; Dust-collecting arrangements specially adapted therefor	E01C	In the scheme	2,592
E01D21/10	Cantilevered erection	E01D	In the scheme	2,557
E21D11/385	Sealing means positioned between adjacent lining members	E21D11/00	In the scheme	2,557
E01C19/26	Rollers therefor; Such rollers usable also for compacting soil self-propelled or fitted to road vehicles	E01C	In the scheme	2,548
E01C19/1004	Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof	E01C	In the scheme	2,532
E01C7/265	Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder	E01C	In the scheme	2,512
E01D19/086	Drainage arrangements or devices	E01D	In the scheme	2,512
E01F13/022	Pedestrian barriers; Barriers for channelling or controlling crowds	E01F	In the scheme	2,512
E01C13/083	Construction of grass-grown sports grounds; Drainage, irrigation or heating arrangements therefor	E01C	In the scheme	2,503
E01F9/654	Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection in the form of three-dimensional [3D] bodies, e.g. cones; capable of assuming 3D form, e.g. by inflation or erection to form a geometric body	E01F	In the scheme	2,495
E01C23/065	Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving	E01C	In the scheme	2,487
E21D11/003	Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices	E21D11/00	In the scheme	2,487
E01D11/02	Suspension bridges	E01D	In the scheme	2,464
E01C11/14	Dowel assembly ; Design or construction of reinforcements in the area of joints	E01C	In the scheme	2,448
E01C9/004	Pavings specially adapted for allowing vegetation	E01C	In the scheme	2,439
E01F9/524	Reflecting elements specially adapted for incorporation in or application to road surface markings	E01F	In the scheme	2,431
E01C19/286	Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll	E01C	In the scheme	2,429
E01D2101/24	Concrete	E01D	In the scheme	2,423
E01F15/0438	Spacers between rails and posts, e.g. energy-absorbing means	E01F	In the scheme	2,392
E01C19/08	Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like	E01C	In the scheme	2,391
E01F13/00	Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions	E01F	In the scheme	2,374
E01C7/32	Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ	E01C	In the scheme	2,370
E21D9/0607	Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering	E21D9/00	In the scheme	2,354
G08G1/075	Ramp control	G08G1/07	In the scheme	2,334
E01C19/42	Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating	E01C	In the scheme	2,325
E01C23/22	Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying	E01C	In the scheme	2,305
E21D9/1006	Making by using boring or cutting machines with rotary cutting tools	E21D9/00	In the scheme	2,292

Match: Direct

The capability is itself a technology or a kind of physical system, and the classification names it. E21D9/00 and E21D11/00 also cover mine galleries and rail tunnels; E01C includes airfield and sports-ground paving. The crosswalk is a first pass that nobody has reviewed.

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