G01C 19/20
In fluid
Official title: in fluid
G01C19/20 (In fluid) appears on 31 US grants and 11 published applications in this corpus.
Search patents in G01C- Granted patents
- 31
- Published applications
- 11
- Assignees
- 20
- Inventors
- 60
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 4 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gyrocompass2 Dec 2025US 12,487,087 B2Tokyo Keiki Co., Ltd.
- Gyroscopic boat roll stabilizer with bearing cooling19 Aug 2025US 12,391,345 B2Wavetamer LLC
- Gyroscopic boat roll stabilizer with bearing cooling8 Jul 2025US 12,351,282 B1Wavetamer LLC
- Gyroscopic boat roll stabilizer with bearing cooling8 Apr 2025US 12,269,564 B2Wavetamer LLC
- Gyroscopic boat roll stabilizer with bearing cooling16 Jan 2024US 11,873,064 B2Wavetamer LLC
- Gyroscopic Boat Roll Stabilizer with Bearing Cooling4 Jun 2026US 2026/0152265 A1Wavetamer LLC
- Gyroscopic Boat Roll Stabilizer with Bearing Cooling3 Jul 2025US 2025/0214686 A1Wavetamer LLC
- Gyroscopic Boat Roll Stabilizer with Bearing Cooling3 Jul 2025US 2025/0214687 A1Wavetamer LLC
- Gyroscopic Boat Roll Stabilizer with Bearing Cooling2 May 2024US 2024/0140567 A1Wavetamer LLC
- Gyrocompass14 Dec 2023US 2023/0400304 A1Tokyo Keiki Co., Ltd.
Most cited
By later US patents
- Free-rotor gas-bearing gyroscope having electromagnetic rotor restraint and acceleration output signal17US 4,290,316 ARockwell International Corporation · 1981
- Gyroscopic instrument16US 4,441,375 AFuruno Electric Co., Ltd. · 1984
- Beryllium based, wear-resistant material for bearings and the like13US 4,754,494 AThe Charles Stark Draper Laboratory, Inc. · 1988
- Two degree of freedom gyro having an axial gap permanent magnet motor12US 4,320,669 ANorthrop Corporation · 1982
- Missile having reduced mass guidance system9US 4,600,166 AAllied Corporation · 1986