G01C 19/726
Phase nulling gyrometers, i.e. compensating the sagnac phase shift in a closed
Official title: {Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system}
G01C19/726 (Phase nulling gyrometers, i.e. compensating the sagnac phase shift in a closed) appears on 140 US grants and 64 published applications in this corpus.
Search patents in G01C- Granted patents
- 140
- Published applications
- 64
- Assignees
- 48
- Inventors
- 207
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 3 | 0 |
| 1994 | 11 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 4 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 4 | 3 |
| 2008 | 3 | 1 |
| 2009 | 3 | 4 |
| 2010 | 3 | 3 |
| 2011 | 3 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 3 | 8 |
| 2016 | 2 | 2 |
| 2017 | 6 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 4 |
| 2020 | 5 | 2 |
| 2021 | 3 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 4 | 7 |
| 2025 | 4 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated photonics gyroscope with common intensity modulation26 May 2026US 12,638,290 B2Honeywell International Inc.
- Method for reducing the Kerr effect in an interferometry measuring device, and interferometry measuring device configured to implement this method19 May 2026US 12,631,451 B2Centre National D'Etudes Spatiales
- Resonant optical gyroscope with a broadband light source and RIN reduction techniques27 Jan 2026US 12,535,320 B2Honeywell International Inc.
- Mitigating bias instabilities in optical gyroscopes4 Nov 2025US 12,460,931 B2Anello Photonics, Inc.
- Method for correcting gyroscope demodulation phase drift23 Sep 2025US 12,422,280 B2STMicroelectronics S,r.l.
- Fully differential quadrature driver30 Oct 2025US 2025/0337377 A1STMicroelectronics International N. V.
- Portable optical gyroscope and compass unit14 Aug 2025US 2025/0257999 A1Anello Photonics, Inc.
- Directional coupler with reduced phase distortion27 Mar 2025US 2025/0102302 A1Honeywell International Inc.
- Mitigating bias instabilities in optical gyroscopes2 Jan 2025US 2025/0003751 A1Anello Photonics, Inc.
- Resonant optical gyroscope with a broadband light source and rin reduction techniques14 Nov 2024US 2024/0377199 A1Honeywell International Inc.
Most cited
By later US patents
- Phase nulling optical gyro74US 4,299,490 AMcDonnell Douglas Corporation · 1981
- Compact optical gyro62US 4,588,296 AMcDonnell Douglas Corporation · 1986
- Phase nulling optical gyroscope51US 4,735,506 ALitton Systems, Inc. · 1988
- Fiber optical rotation sensor with extended dynamic range43US 4,637,722 AThe Board of Trustees of the Leland Stanford Junior University · 1987
- Method and arrangement for the measurement of rotations39US 4,372,685 AMax-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V. · 1983