G01M 13/022
Power-transmitting couplings or clutches
G01M13/022 (Power-transmitting couplings or clutches) appears on 107 US grants and 116 published applications in this corpus.
Search patents in G01M- Granted patents
- 107
- Published applications
- 116
- Assignees
- 94
- Inventors
- 318
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 3 |
| 2006 | 3 | 3 |
| 2007 | 1 | 1 |
| 2008 | 3 | 1 |
| 2009 | 1 | 4 |
| 2010 | 0 | 2 |
| 2011 | 3 | 4 |
| 2012 | 4 | 4 |
| 2013 | 4 | 5 |
| 2014 | 6 | 3 |
| 2015 | 4 | 8 |
| 2016 | 3 | 5 |
| 2017 | 1 | 4 |
| 2018 | 5 | 4 |
| 2019 | 8 | 6 |
| 2020 | 5 | 12 |
| 2021 | 9 | 9 |
| 2022 | 4 | 7 |
| 2023 | 8 | 7 |
| 2024 | 8 | 7 |
| 2025 | 6 | 5 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for detecting a mechanical transmission failure21 Jul 2026US 12,687,460 B2Pratt & Whitney Canada Corp.
- System and method for automated apply clutch switching to allow for reduced clutch adaption time17 Mar 2026US 12,578,014 B2Fca US LLC
- Gear reaction derived torque measurement17 Feb 2026US 12,552,544 B2Textron Innovations Inc.
- Apparatus for evaluating performance of speed reducer10 Feb 2026US 12,546,683 B2Korea Institute of Robot & Convergence
- Intelligent vehicle vibration analyzer16 Dec 2025US 12,498,295 B1Automotive Test Solutions, Inc.
- Escalator and moving handrail force impedance tool20 Aug 2026US 2026/0243625 A1Kone Corporation
- Gearbox off-line detection device, system and method18 Jun 2026US 2026/0168886 A1Jiangsu Xcmg State Key Laboratory Technology Co., Ltd.
- Vehicle4 Jun 2026US 2026/0155000 A13Km Pte. Ltd.
- System and method for automated apply clutch switching to allow for reduced clutch adaption time5 Mar 2026US 2026/0063201 A1Fca US LLC
- Drive Apparatus for Moving a Darkening, Moving or Closing Device27 Nov 2025US 2025/0364879 A1Feig Electronic GmbH
Most cited
By later US patents
- Torque converter clutch solenoid functional test27US 5,835,876 AFord Global Technologies, LLC · 1998
- Arrangement for monitoring the wear status of a friction clutch16US 6,040,768 AMannesmann Sachs AG · 2000
- Aggressive torque converter clutch slip control design through driveline torsional velocity measurements16US 7,931,561 B2GM Global Technology Operations LLC · 2011
- Pressure sensing device for rheometers13US 6,892,583 B2Rheosense, Inc. · 2005
- Angular motion detection apparatus11US 3,935,447 ABurroughs Corporation · 1976