G01C 21/188
For accumulated errors
Official title: {for accumulated errors, e.g. by coupling inertial systems with absolute positioning systems}
G01C21/188 (For accumulated errors) appears on 474 US grants and 490 published applications in this corpus.
Search patents in G01C- Granted patents
- 474
- Published applications
- 490
- Assignees
- 288
- Inventors
- 1,081
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 3 |
| 2002 | 11 | 5 |
| 2003 | 13 | 10 |
| 2004 | 5 | 7 |
| 2005 | 7 | 8 |
| 2006 | 4 | 5 |
| 2007 | 7 | 15 |
| 2008 | 5 | 12 |
| 2009 | 8 | 13 |
| 2010 | 10 | 15 |
| 2011 | 15 | 21 |
| 2012 | 13 | 19 |
| 2013 | 8 | 30 |
| 2014 | 22 | 25 |
| 2015 | 40 | 25 |
| 2016 | 25 | 35 |
| 2017 | 28 | 31 |
| 2018 | 20 | 31 |
| 2019 | 42 | 30 |
| 2020 | 28 | 24 |
| 2021 | 21 | 26 |
| 2022 | 25 | 24 |
| 2023 | 23 | 13 |
| 2024 | 16 | 23 |
| 2025 | 13 | 16 |
| 2026 | 13 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for compensating vertical magnetic defaults of a magnetometer installed in an aircraft15 Sep 2026US 12,736,347 B2Thales
- Radar-based model for vehicle odometry estimation25 Aug 2026US 12,716,726 B2GM Global Technology Operations LLC
- Navigation and positioning device25 Aug 2026US 12,717,046 B2Thales
- Navigation during a deception operation of a satellite signal receiver16 Jun 2026US 12,656,503 B2Safran Electronics & Defense
- Positioning terminal, information processing device, and positioning method2 Jun 2026US 12,644,996 B2Panasonic Intellectual Property Management Co., Ltd.
- Inertial Measurement Unit24 Sep 2026US 2026/0287362 A1Seiko Epson Corporation
- Inertial-based integrated navigation method and device for enhancing Lie group autonomous characteristic10 Sep 2026US 2026/0266610 A1National University of Defense Technology
- Vehicle waypoint determination method and apparatus, vehicle, and storage medium27 Aug 2026US 2026/0251455 A1Huizhou Desay Sv Automotive Co., Ltd.
- Method for estimating the position and speed of an aircraft, and corresponding hybrid navigation system20 Aug 2026US 2026/0243573 A1Airbus Operations GmbH
- Method and apparatus for correcting the relative orientation between a user device and a target device30 Jul 2026US 2026/0219045 A1Beijing Unicorn Technology Co., Ltd.
Most cited
By later US patents
- Tracking, auto-calibration, and map-building system651US 6,922,632 B2InterSense, Inc. · 2005
- Tracking, auto-calibration, and map-building system418US 7,725,253 B2InterSense, Inc. · 2010
- Navigation system, method and software for foot travel280US 6,522,266 B1Honeywell Inc. · 2003
- Motion-tracking222US 7,000,469 B2InterSense, Inc. · 2006
- Accelerometer system178US 4,601,206 AFerranti Limited · 1986