G01C 17/00
Compasses
Official title: Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes (using gyroscopic effect G01C19/00)
G01C17/00 (Compasses) appears on 1,359 US grants and 1,098 published applications in this corpus.
Search patents in G01C- Granted patents
- 1,359
- Published applications
- 1,098
- Assignees
- 567
- Inventors
- 2,192
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 12 | 0 |
| 1978 | 15 | 0 |
| 1979 | 13 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 11 | 0 |
| 1983 | 20 | 0 |
| 1984 | 18 | 0 |
| 1985 | 16 | 0 |
| 1986 | 12 | 0 |
| 1987 | 21 | 0 |
| 1988 | 20 | 0 |
| 1989 | 19 | 0 |
| 1990 | 17 | 0 |
| 1991 | 10 | 0 |
| 1992 | 22 | 0 |
| 1993 | 17 | 0 |
| 1994 | 27 | 0 |
| 1995 | 19 | 0 |
| 1996 | 16 | 0 |
| 1997 | 18 | 0 |
| 1998 | 15 | 0 |
| 1999 | 11 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 3 |
| 2002 | 21 | 18 |
| 2003 | 19 | 20 |
| 2004 | 15 | 31 |
| 2005 | 30 | 50 |
| 2006 | 28 | 47 |
| 2007 | 42 | 56 |
| 2008 | 39 | 33 |
| 2009 | 23 | 36 |
| 2010 | 27 | 41 |
| 2011 | 36 | 41 |
| 2012 | 32 | 41 |
| 2013 | 25 | 65 |
| 2014 | 40 | 57 |
| 2015 | 53 | 73 |
| 2016 | 75 | 68 |
| 2017 | 56 | 78 |
| 2018 | 53 | 52 |
| 2019 | 65 | 50 |
| 2020 | 54 | 62 |
| 2021 | 41 | 43 |
| 2022 | 41 | 30 |
| 2023 | 38 | 32 |
| 2024 | 37 | 29 |
| 2025 | 33 | 30 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device for calibrating geomagnetic sensor, and method of operating electronic device22 Sep 2026US 12,742,642 B2Samsung Electronics Co., Ltd.
- Electronic device for identifying moving direction of electronic device, and operating method for electronic device8 Sep 2026US 12,729,961 B2Samsung Electronics Co., Ltd.
- Dynamic selection of parameters for navigation16 Jun 2026US 12,656,116 B1Astra Navigation, Inc.
- Electronic device, calibration method and program16 Jun 2026US 12,656,117 B2Casio Computer Co., Ltd.
- Mitigating systematic error in gyrocompassing19 May 2026US 12,631,474 B2Murata Manufacturing Co., Ltd.
- Method and device for orienting27 Aug 2026US 2026/0251451 A1Wuhan University
- Systems and methods for field setup of gas leak monitoring tools13 Aug 2026US 2026/0235405 A1Schlumberger Technology Corporation
- Electronic device and method for acquiring calibration information to be applied to sensor data of geomagnetic sensor6 Aug 2026US 2026/0227204 A1Samsung Electronics Co., Ltd.
- Modular adaptive magnetic navigation30 Jul 2026US 2026/0219072 A1SB Technology, Inc.
- Multi-purpose sharpener23 Jul 2026US 2026/0208322 A1Mighty Dreams LLC
Most cited
By later US patents
- Vehicle compass system with variable resolution640US 5,878,370 APrince Corporation · 1999
- Vehicle compass system with automatic calibration639US 5,737,226 APrince Corporation · 1998
- Vehicle compass system629US 5,761,094 APrince Corporation · 1998
- Rearview mirror with integrated microwave receiver583US 6,297,781 B1Gentex Corporation · 2001
- Electrical control system503US 4,546,551 APrince Corporation · 1985