G01C 17/30
Earth-inductor compasses
G01C17/30 (Earth-inductor compasses) appears on 177 US grants and 104 published applications in this corpus.
Search patents in G01C- Granted patents
- 177
- Published applications
- 104
- Assignees
- 113
- Inventors
- 325
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 2 |
| 2003 | 1 | 10 |
| 2004 | 4 | 8 |
| 2005 | 4 | 15 |
| 2006 | 7 | 7 |
| 2007 | 12 | 17 |
| 2008 | 9 | 7 |
| 2009 | 5 | 3 |
| 2010 | 7 | 5 |
| 2011 | 4 | 4 |
| 2012 | 6 | 4 |
| 2013 | 0 | 1 |
| 2014 | 2 | 4 |
| 2015 | 2 | 2 |
| 2016 | 5 | 1 |
| 2017 | 2 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- 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.
- Wearable electronic device and operating method therefor28 Aug 2025US 2025/0271265 A1Samsung Electronics Co., Ltd.
- Spinning field concentrator magnetic compass7 Aug 2025US 2025/0251239 A1Jefferson Science Associates, LLC
- Wearable electronic device comprising magnetic strap and method for updating geomagnetic data5 Jun 2025US 2025/0180674 A1Samsung Electronics Co., Ltd.
- Electronic device for location detection, and method for operating same29 May 2025US 2025/0172394 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Electrical control system503US 4,546,551 APrince Corporation · 1985
- Electronic compass396US 5,924,212 ADonnelly Corporation · 1999
- Sourceless orientation sensor297US 5,953,683 AAscension Technology Corporation · 1999
- Electronic direction finder236US 5,146,231 AMotorola, Inc. · 1992
- Vehicle magnetic sensor195US 4,425,717 APrince Corporation · 1984