G01C 19/70
By mechanical means
Official title: by mechanical means
G01C19/70 (By mechanical means) appears on 85 US grants and 9 published applications in this corpus.
Search patents in G01C- Granted patents
- 85
- Published applications
- 9
- Assignees
- 29
- Inventors
- 121
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 3 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ring laser gyroscope22 Apr 2025US 12,281,897 B2Japan Aviation Electronics Industry, Limited
- Dither motor apparatus with pickoff embedded drives for ring laser gyroscope26 Dec 2023US 11,852,483 B1Honeywell International Inc.
- Switching SBS gyro with fixed pump separation3 Nov 2020US 10,823,571 B1Honeywell International Inc.
- Enhancement of the phase response of intracavity phase interferometers11 Jun 2019US 10,317,212 B1Stc. Unm
- Eliminating ring laser gyro backscatter16 May 2017US 9,651,379 B2Honeywell International Inc.
- Ring laser gyroscope10 Aug 2023US 2023/0251093 A1Japan Aviation Electronics Industry, Limited
- Eliminating ring laser gyro backscatter19 May 2016US 2016/0138922 A1Honeywell International Inc.
- Ring laser gyro9 Oct 2014US 2014/0300899 A1Japan Aviation Electronics Industry, Limited
- MEMS based Ring Laser Gyroscope with Reduced Lock-in4 Apr 2013US 2013/0083327 A1King Abdulaziz City for Science and Technology
- Variable path length control modulation frequency2 Feb 2012US 2012/0026502 A1Honeywell International Inc.
Most cited
By later US patents
- Ring laser gyroscope dither drive system and method39US 4,981,359 ALitton Systems, Inc. · 1991
- Spring for a ring laser gyro dither mechanism32US 4,349,183 ALitton Systems, Inc. · 1982
- Torsional vibration drive32US 5,063,321 ATeldix GmbH · 1991
- Dither system for a spring mass system27US 4,445,779 AHoneywell Inc. · 1984
- System for substantially eleminating lock-in in a ring laser gyroscope27US 5,359,413 AKearfott Guidance & Navigation Corporation · 1994