G01C 19/38
With north-seeking action by other than magnetic means
Official title: with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
G01C19/38 (With north-seeking action by other than magnetic means) appears on 138 US grants and 72 published applications in this corpus.
Search patents in G01C- Granted patents
- 138
- Published applications
- 72
- Assignees
- 87
- Inventors
- 225
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 4 | 4 |
| 2013 | 2 | 8 |
| 2014 | 8 | 3 |
| 2015 | 6 | 3 |
| 2016 | 4 | 6 |
| 2017 | 2 | 1 |
| 2018 | 4 | 6 |
| 2019 | 3 | 3 |
| 2020 | 3 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 1 |
| 2023 | 5 | 5 |
| 2024 | 0 | 2 |
| 2025 | 5 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mitigating systematic error in gyrocompassing19 May 2026US 12,631,474 B2Murata Manufacturing Co., Ltd.
- Positioning and orientation method, apparatus, and device17 Mar 2026US 12,578,194 B2Huawei Technologies Co., Ltd.
- Gyrocompass2 Dec 2025US 12,487,087 B2Tokyo Keiki Co., Ltd.
- Pre-loaded bearings for sensor shell18 Nov 2025US 12,473,821 B2Schlumberger Technology Corporation
- Drive mechanism in particular for maytagging operation18 Nov 2025US 12,473,963 B2Murata Manufacturing Co., Ltd.
- Azimuth measurement device7 May 2026US 2026/0126289 A1Murata Manufacturing Co., Ltd.
- Artificial intelligence aiding for gyrocompassing2 Apr 2026US 2026/0092782 A1Honeywell International Inc.
- Improved system, method and computer program product for north-finding18 Dec 2025US 2025/0383202 A1Israel Aerospace Industries Ltd.
- Systems, devices, and methods for documenting ground assets and associated utility lines18 Sep 2025US 2025/0290749 A1
- Sensor apparatus, sensor module, integrated circuit, inclination angle estimation method and azimuth detection method31 Jul 2025US 2025/0244127 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Apparatus for the automatic determination of a vehicle position143US 4,321,678 ABodenseewerk Geratetechnik GmbH · 1982
- Aiming and pointing system for ground based weapons equipment117US 5,481,957 AAlliedSignal Inc. · 1996
- Single gyro northfinder113US 5,369,889 AHoneywell Inc. · 1994
- Method and apparatus for injection-molding a thermoplastic device87US 5,656,226 AAircast, Inc. · 1997
- Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal72US 6,347,282 B1Baker Hughes Incorporated · 2002