- International families
- 7,7872015 to 2024
- Leading country
- United States1.4× the next
- All families
- 35khome filings included
- Over five years
- Falling2020 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
United States
Japan
China
Germany
France
South Korea
United Kingdom
Taiwan
Switzerland
Canada
1,948
1,411
1,349
836
427
426
203
147
123
122
| 2000 to 2025 | ||||||
|---|---|---|---|---|---|---|
| 1 | United States | 1,948 | 25.0% | 0.8× | 3,177 | |
| 2 | Japan | 1,411 | 18.1% | 0.8× | 2,005 | |
| 3 | China | 1,349 | 17.3% | 1.5× | 24,792 | |
| 4 | Germany | 836 | 10.7% | 0.9× | 1,242 | |
| 5 | France | 427 | 5.5% | 0.9× | 512 | |
| 6 | South Korea | 426 | 5.5% | 1.2× | 1,568 | |
| 7 | United Kingdom | 203 | 2.6% | 0.8× | 244 | |
| 8 | Taiwan | 147 | 1.9% | 0.8× | 202 | |
| 9 | Switzerland | 123 | 1.6% | 2.4× | 142 | |
| 10 | Canada | 122 | 1.6% | 0.6× | 157 | |
| 11 | Italy | 101 | 1.3% | 0.9× | 135 | |
| 12 | Sweden | 94 | 1.2% | 1.5× | 105 | |
| 13 | Israel | 88 | 1.1% | 1.0× | 117 | |
| 14 | Netherlands | 73 | 0.9% | 0.4× | 101 | |
| 15 | Australia | 60 | 0.8% | 1.5× | 64 | |
| 16 | Finland | 45 | 0.6% | 0.7× | 57 | |
| 17 | Singapore | 44 | 0.6% | 1.3× | 45 | |
| 18 | Türkiye | 29 | 0.4% | 1.2× | 51 | |
| 19 | India | 25 | 0.3% | 0.6× | 41 | |
| 20 | Austria | 24 | 0.3% | 2.0× | 27 | |
| 21 | Belgium | 21 | 0.3% | 0.8× | 25 | |
| 22 | Russia | 19 | 0.2% | 0.3× | 322 | |
| 23 | Norway | 19 | 0.2% | 0.9× | 20 | |
| 24 | Spain | 15 | 0.2% | 0.4× | 21 | |
| 25 | Denmark | 15 | 0.2% | 1.1× | 17 | |
| 26 | Hong Kong | 10 | 0.1% | 0.3× | 12 | |
| 27 | Portugal | 10 | 0.1% | 1.0× | 14 | |
| 28 | Cayman Islands | 9 | 0.1% | 1.3× | 10 | |
| 29 | Poland | 7 | 0.1% | 0.4× | 19 | |
| 30 | Ireland | 6 | 0.1% | 0.0× | 9 | |
| 31 | Saudi Arabia | 6 | 0.1% | 1.0× | 10 | |
| 32 | Czechia | 6 | 0.1% | 5.0× | 7 | |
| 33 | New Zealand | 5 | 0.1% | 0.7× | 7 | |
| 34 | Brazil | 4 | 0.1% | 0.3× | 12 | |
| 35 | Luxembourg | 4 | 0.1% | 1.0× | 4 | |
| 36 | Liechtenstein | 3 | 0.0% | – | 4 | |
| 37 | South Africa | 1 | 0.0% | 0.0× | 2 | |
| 38 | Mexico | 0 | 0.0% | – | 9 | |
| 39 | Hungary | 0 | 0.0% | – | 2 |
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 Resilient Positioning & Navigation. Names are as held in the source and are not consolidated across subsidiaries.
Global
7,787 international families
BOSCH GMBH ROBERT · Germany
SEIKO EPSON CORP · Japan
HONEYWELL INT INC · United States
SAMSUNG ELECTRONICS CO LTD · South Korea
HUAWEI TECH CO LTD · China
THALES SA · France
384
356
263
125
114
104
United States
1,948 international families
HONEYWELL INT INC
QUALCOMM INC
GM GLOBAL TECH OPERATIONS LLC
FORD GLOBAL TECH LLC
BOEING CO
INVENSENSE INC
262
95
67
63
53
42
Japan
1,411 international families
SEIKO EPSON CORP
DENSO CORP
MURATA MANUFACTURING CO
SONY CORP
PANASONIC IP MAN CO LTD
TOYOTA MOTOR CORP
356
69
69
69
66
62
China
1,349 international families
HUAWEI TECH CO LTD
SZ DJI TECHNOLOGY CO LTD
AAC ACOUSTIC TECH SHENZHEN CO LTD
BEIJING BAIDU NETCOM SCI & TECH CO LTD
AAC KAITAI TECH WUHAN CO LTD
UNIV SOUTHEAST
113
102
35
32
26
25
Germany
836 international families
BOSCH GMBH ROBERT
ROBERT BOSCH CO LTD
VOLKSWAGEN AG
NORTHROP GRUMMAN LITEF GMBH
BAYERISCHE MOTOREN WERKE AG
ROBERT BOSCH CO LIMITED
382
89
40
20
18
18
France
427 international families
THALES SA
SAFRAN ELECTRONICS & DEFENSE
COMMISSARIAT ENERGIE ATOMIQUE
IXBLUE
EXAIL
CENTRE NAT RECH SCIENT
104
66
44
23
18
17
Similar capabilities
The nine capabilities that share the most international patent families with Resilient Positioning & Navigation, 2015 to 2024: the families counted in both as a share of those counted in either. Each card shows its five largest countries.
National Security
Electronic Warfare & Spectrum Operations
6.3% shared · 590 families in both
United States
China
Japan
Germany
South Korea
587
328
227
225
120
Critical Technology
Autonomous Systems & Trusted Autonomy
2.6% shared · 1,645 families in both
Japan
United States
China
Germany
South Korea
15,331
13,144
8,455
5,859
5,850
Strategic Infrastructure
Air Navigation & Traffic Management
2.1% shared · 305 families in both
United States
Japan
China
France
Germany
2,940
1,014
815
738
380
Trade & Investment
Standards, Conformity & Quality Infrastructure
1.9% shared · 359 families in both
United States
Germany
Japan
China
South Korea
2,917
1,685
1,675
1,261
713
National Security
Imagery & Geospatial Intelligence
1.9% shared · 237 families in both
United States
China
Japan
Germany
South Korea
963
914
891
665
209
Critical Technology
Radar & Radiofrequency Sensing
1.6% shared · 492 families in both
United States
Japan
Germany
China
South Korea
5,643
4,132
3,729
2,886
1,890
Critical Technology
Uncrewed & Collaborative Systems
1.4% shared · 339 families in both
United States
Japan
China
South Korea
Germany
3,995
3,332
3,111
1,460
958
Critical Technology
Quantum Sensing & Metrology
1.2% shared · 109 families in both
United States
Japan
Germany
France
China
309
295
149
65
61
Critical Technology
Advanced Imaging & Photonic Sensing
1.1% shared · 721 families in both
Japan
United States
China
South Korea
Germany
15,415
10,867
7,351
5,927
5,220
Crosswalk
How Resilient Positioning & Navigation is matched to the patent classifications. The entries below were chosen for it; each stands for itself and everything beneath it in the scheme, 101 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 |
|---|---|---|---|---|---|
| G01C19/00 | Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects | Gyroscopes and angular-rate sensors | 79 | 63 | 108,171 |
| G01C21/10 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration | Inertial navigation and dead reckoning | 13 | 5 | 71,976 |
| G01C21/04 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means | Navigation by terrestrial means, including the earth's magnetic field | 3 | 3 | 6,493 |
| G01C21/02 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means | Celestial navigation | 2 | 1 | 4,266 |
| G01C21/005 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching | Map and terrain matching from several navigation sources | 1 | none | 18,155 |
| G01C25/005 | Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices | Alignment and calibration of inertial devices | 1 | none | 14,131 |
| G01S19/21 | Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service | Satellite navigation under jamming and spoofing | 2 | 1 | 10,766 |
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 Resilient Positioning & Navigation: 101 codes on 211,184 documents. The full crosswalk is in the cpc-to-capability.csv download.
| Code | Title | Under entry | How placed | Documents |
|---|---|---|---|---|
| G01C21/165 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments | G01C21/10 | In the scheme | 21,464 |
| G01C21/005 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching | G01C21/005 | In the scheme | 18,155 |
| G01C25/005 | Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices | G01C25/005 | In the scheme | 14,131 |
| G01C21/16 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation | G01C21/10 | In the scheme | 10,341 |
| G01C19/56 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces | G01C19/00 | In the scheme | 7,312 |
| G01S19/21 | Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service | G01S19/21 | In the scheme | 6,975 |
| G01C21/1656 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments with passive imaging devices, e.g. cameras | G01C21/10 | In the scheme | 6,872 |
| G01C21/1652 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments with ranging devices, e.g. LIDAR or RADAR | G01C21/10 | In the scheme | 5,967 |
| G01C21/18 | Stabilised platforms, e.g. by gyroscope | G01C21/10 | In the scheme | 5,905 |
| G01C19/00 | Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects | G01C19/00 | In the scheme | 5,682 |
| G01C19/5776 | Signal processing not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719 | G01C19/00 | In the scheme | 4,579 |
| G01C21/188 | Compensation of inertial measurements, e.g. for temperature effects for accumulated errors, e.g. by coupling inertial systems with absolute positioning systems | G01C21/10 | In the scheme | 4,045 |
| G01S19/215 | Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service issues related to spoofing | G01S19/21 | In the scheme | 3,791 |
| G01C21/12 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning | G01C21/10 | In the scheme | 3,589 |
| G01C19/5712 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using masses driven in reciprocating rotary motion about an axis the devices involving a micromechanical structure | G01C19/00 | In the scheme | 3,485 |
| G01C19/5719 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using planar vibrating masses driven in a translation vibration along an axis | G01C19/00 | In the scheme | 3,476 |
| G01C21/1654 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments with electromagnetic compass | G01C21/10 | In the scheme | 3,338 |
| G01C19/721 | Details, e.g. optical or electronical details | G01C19/00 | In the scheme | 3,217 |
| G01C19/38 | Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation | G01C19/00 | In the scheme | 3,187 |
| G01C21/183 | Compensation of inertial measurements, e.g. for temperature effects | G01C21/10 | In the scheme | 3,183 |
| G01C21/08 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means involving use of the magnetic field of the earth | G01C21/04 | In the scheme | 3,119 |
| G01C19/72 | Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers | G01C19/00 | In the scheme | 3,047 |
| G01C21/166 | Mechanical, construction or arrangement details of inertial navigation systems | G01C21/10 | In the scheme | 2,909 |
| G01C19/5607 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating tuning forks | G01C19/00 | In the scheme | 2,590 |
| G01C21/10 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration | G01C21/10 | In the scheme | 2,218 |
| G01C19/5747 | Structural details or topology the devices having two sensing masses in anti-phase motion each sensing mass being connected to a driving mass, e.g. driving frames | G01C19/00 | In the scheme | 2,200 |
| G01C19/5783 | Mountings or housings not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719 | G01C19/00 | In the scheme | 2,109 |
| G01C21/02 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means | G01C21/02 | In the scheme | 2,042 |
| G01C19/574 | Structural details or topology the devices having two sensing masses in anti-phase motion | G01C19/00 | In the scheme | 1,817 |
| G01C19/5726 | Signal processing | G01C19/00 | In the scheme | 1,754 |
| G01C19/02 | Rotary gyroscopes | G01C19/00 | In the scheme | 1,636 |
| G01C21/025 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means with the use of startrackers | G01C21/02 | In the scheme | 1,579 |
| G01C19/5691 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using the phase shift of a vibration node or antinode of essentially three-dimensional [3D] vibrators, e.g. wine glass-type vibrators | G01C19/00 | In the scheme | 1,533 |
| G01C19/58 | Turn-sensitive devices without moving masses | G01C19/00 | In the scheme | 1,501 |
| G01C19/5733 | Structural details or topology | G01C19/00 | In the scheme | 1,491 |
| G01C19/722 | Details, e.g. optical or electronical details of the mechanical construction | G01C19/00 | In the scheme | 1,479 |
| G01C19/5656 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating bars or beams the devices involving a micromechanical structure | G01C19/00 | In the scheme | 1,446 |
| G01C21/14 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by recording the course traversed by the object | G01C21/10 | In the scheme | 1,369 |
| G01C19/5684 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using the phase shift of a vibration node or antinode of essentially two-dimensional [2D] vibrators, e.g. ring-shaped vibrators the devices involving a micromechanical structure | G01C19/00 | In the scheme | 1,350 |
| G01C19/5755 | Structural details or topology the devices having a single sensing mass | G01C19/00 | In the scheme | 1,277 |
| G01C19/5769 | Manufacturing; Mounting; Housings | G01C19/00 | In the scheme | 1,250 |
| G01C19/5621 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating tuning forks the devices involving a micromechanical structure | G01C19/00 | In the scheme | 1,231 |
| G01C19/04 | Details | G01C19/00 | In the scheme | 1,223 |
| G01C19/42 | Rotary gyroscopes for indicating rate of turn; for integrating rate of turn | G01C19/00 | In the scheme | 1,208 |
| G01C19/44 | Rotary gyroscopes for indicating the vertical | G01C19/00 | In the scheme | 1,192 |
| G01C19/661 | Ring laser gyrometers details | G01C19/00 | In the scheme | 1,133 |
| G01C21/04 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means | G01C21/04 | In the scheme | 1,113 |
| G01C19/64 | Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams | G01C19/00 | In the scheme | 1,070 |
| G01C19/66 | Ring laser gyrometers | G01C19/00 | In the scheme | 1,062 |
| G01C19/726 | Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system | G01C19/00 | In the scheme | 1,062 |
| G01C19/5642 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating bars or beams | G01C19/00 | In the scheme | 1,052 |
| G01C19/727 | Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers using a passive ring resonator | G01C19/00 | In the scheme | 1,045 |
| G01C19/5663 | Manufacturing; Trimming; Mounting; Housings | G01C19/00 | In the scheme | 985 |
| G01C19/5628 | Manufacturing; Trimming; Mounting; Housings | G01C19/00 | In the scheme | 969 |
| G01C19/5649 | Signal processing | G01C19/00 | In the scheme | 950 |
| G01C19/5762 | Structural details or topology the devices having a single sensing mass the sensing mass being connected to a driving mass, e.g. driving frames | G01C19/00 | In the scheme | 889 |
| G01C19/28 | Pick-offs, i.e. devices for taking-off an indication of the displacement of the rotor axis | G01C19/00 | In the scheme | 813 |
| G01C21/185 | Compensation of inertial measurements, e.g. for temperature effects for gravity | G01C21/10 | In the scheme | 776 |
| G01C19/5614 | Signal processing | G01C19/00 | In the scheme | 770 |
| G01C19/70 | Lock-in prevention by mechanical means | G01C19/00 | In the scheme | 765 |
| G01C19/16 | Suspensions; Bearings | G01C19/00 | In the scheme | 648 |
| G01C19/30 | Erection devices, i.e. devices for restoring rotor axis to a desired position | G01C19/00 | In the scheme | 595 |
| G01C19/005 | Measuring angular rate using gyroscopic effects | G01C19/00 | In the scheme | 591 |
| G01C19/5677 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using the phase shift of a vibration node or antinode of essentially two-dimensional [2D] vibrators, e.g. ring-shaped vibrators | G01C19/00 | In the scheme | 585 |
| G01C19/665 | Ring laser gyrometers details control of the cavity | G01C19/00 | In the scheme | 542 |
| G01C19/5705 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using masses driven in reciprocating rotary motion about an axis | G01C19/00 | In the scheme | 526 |
| G01C19/62 | Electronic or nuclear magnetic resonance gyrometers with optical pumping | G01C19/00 | In the scheme | 512 |
| G01C19/34 | Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes | G01C19/00 | In the scheme | 473 |
| G01C19/567 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using the phase shift of a vibration node or antinode | G01C19/00 | In the scheme | 451 |
| G01C19/22 | Suspensions; Bearings torsional | G01C19/00 | In the scheme | 437 |
| G01C19/725 | Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers using nxn optical couplers, e.g. 3x3 couplers | G01C19/00 | In the scheme | 433 |
| G01C19/20 | Suspensions; Bearings in fluid | G01C19/00 | In the scheme | 423 |
| G01C19/36 | Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by magnetic means, e.g. gyromagnetic compasses | G01C19/00 | In the scheme | 421 |
| G01C21/06 | Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means involving measuring of drift angle; involving correction for drift | G01C21/04 | In the scheme | 413 |
| G01C19/662 | Ring laser gyrometers details signal readout; dither compensators | G01C19/00 | In the scheme | 394 |
| G01C19/08 | Rotors electrically driven | G01C19/00 | In the scheme | 386 |
| G01C19/24 | Suspensions; Bearings using magnetic or electrostatic fields | G01C19/00 | In the scheme | 384 |
| G01C19/60 | Electronic or nuclear magnetic resonance gyrometers | G01C19/00 | In the scheme | 384 |
| G01C19/065 | Means for measuring or controlling of rotors' angular velocity | G01C19/00 | In the scheme | 377 |
| G01C19/667 | Ring laser gyrometers using a multioscillator ring laser | G01C19/00 | In the scheme | 372 |
| G01C19/32 | Indicating or recording means specially adapted for rotary gyroscopes | G01C19/00 | In the scheme | 370 |
| G01C19/26 | Caging, i.e. immobilising moving parts, e.g. for transport | G01C19/00 | In the scheme | 368 |
| G01C19/06 | Rotors | G01C19/00 | In the scheme | 321 |
| G01C19/14 | Fluid rotors | G01C19/00 | In the scheme | 320 |
| G01C19/5698 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using acoustic waves, e.g. surface acoustic wave gyros | G01C19/00 | In the scheme | 320 |
| G01C19/025 | Gyroscopes functioning for short periods | G01C19/00 | In the scheme | 290 |
| G01C19/728 | Assemblies for measuring along different axes, e.g. triads | G01C19/00 | In the scheme | 272 |
| G01C19/68 | Lock-in prevention | G01C19/00 | In the scheme | 252 |
| G01C19/40 | Rotary gyroscopes for control by signals from a master compass, i.e. repeater compasses | G01C19/00 | In the scheme | 200 |
| G01C19/18 | Suspensions; Bearings providing movement of rotor with respect to its rotational axes | G01C19/00 | In the scheme | 180 |
| G01C19/668 | Assemblies for measuring along different axes, e.g. triads | G01C19/00 | In the scheme | 160 |
| G01C19/12 | Rotors fluid driven | G01C19/00 | In the scheme | 146 |
| G01C19/10 | Power supply | G01C19/00 | In the scheme | 140 |
| G01C19/50 | Erection devices for restoring rotor axis to a desired position operating by mechanical means | G01C19/00 | In the scheme | 131 |
| G01C19/664 | Ring laser gyrometers details signal readout; dither compensators means for removing the dither signal | G01C19/00 | In the scheme | 124 |
| G01C19/723 | Heterodyning fibre optic gyrometers | G01C19/00 | In the scheme | 114 |
| G01C19/52 | Erection devices for restoring rotor axis to a desired position operating by fluid means | G01C19/00 | In the scheme | 101 |
| G01C19/5635 | Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating wires or strings | G01C19/00 | In the scheme | 97 |
| G01C19/46 | Erection devices for restoring rotor axis to a desired position | G01C19/00 | In the scheme | 81 |
| G01C19/54 | Erection devices for restoring rotor axis to a desired position with correction for acceleration forces due to movement of instrument | G01C19/00 | In the scheme | 71 |
| G01C19/48 | Erection devices for restoring rotor axis to a desired position operating by electrical means | G01C19/00 | In the scheme | 61 |