F16D 2500/502
Relating the clutch
F16D2500/502 (Relating the clutch) appears on 932 US grants and 805 published applications in this corpus.
Search patents in F16D- Granted patents
- 932
- Published applications
- 805
- Assignees
- 245
- Inventors
- 1,699
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 19 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 3 |
| 2002 | 15 | 15 |
| 2003 | 16 | 18 |
| 2004 | 16 | 30 |
| 2005 | 16 | 33 |
| 2006 | 18 | 34 |
| 2007 | 34 | 16 |
| 2008 | 18 | 31 |
| 2009 | 14 | 51 |
| 2010 | 14 | 42 |
| 2011 | 28 | 29 |
| 2012 | 52 | 33 |
| 2013 | 46 | 36 |
| 2014 | 35 | 37 |
| 2015 | 43 | 49 |
| 2016 | 43 | 50 |
| 2017 | 45 | 78 |
| 2018 | 68 | 51 |
| 2019 | 62 | 41 |
| 2020 | 44 | 28 |
| 2021 | 39 | 39 |
| 2022 | 31 | 20 |
| 2023 | 18 | 17 |
| 2024 | 19 | 10 |
| 2025 | 10 | 7 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16D 2500/50245Calibration or recalibration of the clutch touch-pointIndexing code225
- F16D 2500/50287Torque controlIndexing code176
- F16D 2500/50293Reduction of vibrationsIndexing code143
- F16D 2500/50224Drive-offIndexing code135
- F16D 2500/50236Adaptations of the clutch characteristicsIndexing code124
- F16D 2500/50239Soft clutch engagementIndexing code94
- F16D 2500/50296Limit clutch wearIndexing code87
- F16D 2500/50206Creep controlIndexing code81
All 14 subgroupsShow fewer
- F16D 2500/5023Determination of the clutch wearIndexing code51
- F16D 2500/50203Transition between manual and automatic control of the clutchIndexing code23
- F16D 2500/50227Control of clutch to control engineIndexing code21
- F16D 2500/50233Clutch wear adjustment operationIndexing code18
- F16D 2500/50284Control of secondary clutch in the driveline, i.e. not including clutches inIndexing code8
- F16D 2500/50242Cleaning of clutchesIndexing code3
Recent patents
- System and method for calibrating transmission5 May 2026US 12,618,466 B2Dana Belgium N.V.
- Velocity-based control methods for a rotary disconnect system10 Mar 2026US 12,571,435 B2HUSCO Automotive Holdings LLC
- Method for checking the actuating accuracy of a clutch when an electric or hybrid motor vehicle is at a standstill6 Jan 2026US 12,516,704 B2MAGNA Powertrain AG & Co KG
- Hybrid electric vehicle and engine clutch touchpoint learning method therefor30 Dec 2025US 12,509,052 B2Hyundai Motor Company
- Control systems to dampen output shaft oscillations, vehicles and transmissions incorporating the same, and methods therefor9 Dec 2025US 12,492,746 B2Allison Transmission, Inc.
- Universal joint with oil-bath clutch torque limiter and drive shaft comprising said joint23 Jul 2026US 2026/0210410 A1Bondioli & Pavesi S.P.A.
- Method for adapting a clutch for a vehicle23 Jul 2026US 2026/0210415 A1ZF Friedrichshafen AG
- Clutch disc wear compensation method28 May 2026US 2026/0146655 A1Hyundai Wia Corporation
- Actuator assembly for use with a clutch30 Apr 2026US 2026/0117828 A1Means Industries, Inc.
- System and method for calibrating transmission30 Apr 2026US 2026/0117860 A1Dana Belgium N.V.
Most cited
By later US patents
- Dynamic clutch control885US 6,799,669 B2Siemens VDO Automotive Corporation · 2004
- Hybrid drive apparatus for vehicle148US 6,018,198 AAisin Aw Co., Ltd. · 2000
- Electronic control system for powershift transmission69US 4,855,913 AJ. I. Case Company · 1989
- Magnetorheological fluid coupling device and torque load simulator system64US 5,598,908 AGSE, Inc. · 1997
- Twin-clutch-type transmission54US 5,711,409 AToyota Jidosha Kabushiki Kaisha · 1998