G01C 17/18
Supporting or suspending compasses
Official title: Supporting or suspending compasses, e.g. by gimbal, by flotation
G01C17/18 (Supporting or suspending compasses) appears on 25 US grants and 7 published applications in this corpus.
Search patents in G01C- Granted patents
- 25
- Published applications
- 7
- Assignees
- 10
- Inventors
- 40
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic compass card17 Oct 2023US 11,788,839 B2
- Compass device22 Jun 2021US 11,041,721 B2Chuan Ching Mechanical Industrial Co., Ltd.
- Clinometer and method for measuring strike and dip angle using same18 Apr 2017US 9,625,259 B2Korea Institute of Geoscience and Mineral Resources
- Fluid or low friction permanent magnet compass12 Jan 2016US 9,234,753 B2
- Magnetic compass14 Jul 2015US 9,080,869 B2
- System and methods for a removable compass30 Oct 2025US 2025/0334409 A1
- Improved magnetic compass card1 Sep 2022US 2022/0276051 A1
- Compass device25 Feb 2021US 2021/0055106 A1Chuan Ching Mechanical Industrial Co., Ltd.
- Clinometer and method for measuring strike and dip angle using same2 Jul 2015US 2015/0185004 A1Korea Institute of Geoscience and Mineral Resources
- Fluid or low friction permanent magnet compass18 Dec 2014US 2014/0366391 A1
Most cited
By later US patents
- Attachment for a magnetic needle assembly for vehicles33US 4,309,828 A1982
- Small head-mounted compass system with optical display27US 6,868,360 B1The United States of America as represented by the Secretary of the Navy · 2005
- Compass mechanism used in combination with handle or like element on the interior of an automobile type vehicle15US 4,670,988 A1987
- Miniature gimbal mounted magnetic field detectors11US 5,201,128 ALaitram, L. L. C. · 1993
- Clip-on compass10US 4,404,752 A1983