F16D 2500/506
Relating the transmission
F16D2500/506 (Relating the transmission) appears on 191 US grants and 185 published applications in this corpus.
Search patents in F16D- Granted patents
- 191
- Published applications
- 185
- Assignees
- 106
- Inventors
- 469
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 4 |
| 2004 | 3 | 6 |
| 2005 | 2 | 6 |
| 2006 | 2 | 7 |
| 2007 | 7 | 6 |
| 2008 | 4 | 11 |
| 2009 | 6 | 22 |
| 2010 | 4 | 8 |
| 2011 | 9 | 10 |
| 2012 | 14 | 13 |
| 2013 | 18 | 7 |
| 2014 | 18 | 17 |
| 2015 | 14 | 13 |
| 2016 | 7 | 6 |
| 2017 | 14 | 13 |
| 2018 | 11 | 4 |
| 2019 | 3 | 5 |
| 2020 | 7 | 5 |
| 2021 | 8 | 5 |
| 2022 | 4 | 3 |
| 2023 | 4 | 4 |
| 2024 | 5 | 5 |
| 2025 | 1 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16D 2500/50684Torque resume after shiftingIndexing code69
- F16D 2500/50607Facilitating engagement of a dog clutchesIndexing code32
- F16D 2500/50653Gearing shifting without the interruption of driveIndexing code31
- F16D 2500/50615Facilitating disengagement of a dog clutchIndexing code12
- F16D 2500/50676Optimising drive-train operating pointIndexing code11
- F16D 2500/50623Preventing transmission load changeIndexing code10
- F16D 2500/50638Shaft speed synchronisingIndexing code9
- F16D 2500/5063Shaft dither, i.e. applying a pulsating torque to a shaft to createIndexing code7
All 12 subgroupsShow fewer
- F16D 2500/50669Neutral control, i.e. preventing creep or drag torque being transmitted in aIndexing code7
- F16D 2500/50661Limit transmission input torqueIndexing code6
- F16D 2500/50646Control of the main clutch to prevent or release a tooth-to-tooth conditionIndexing code3
- F16D 2500/50692Simulate the characteristics of a torque converterIndexing code2
Recent patents
- Shift system and method for power transmission assembly12 May 2026US 12,624,734 B2Means Industries, Inc.
- Velocity-based control methods for a rotary disconnect system10 Mar 2026US 12,571,435 B2HUSCO Automotive Holdings LLC
- Method for controlling an operation of a motor vehicle10 Mar 2026US 12,571,437 B2ZF Friedrichshafen AG
- Shift system and method for power transmission assembly28 Jan 2025US 12,209,623 B2Means Industries, Inc.
- Powertrain method and apparatus24 Dec 2024US 12,173,762 B2GKN Automotive AG
- Shift system and method for power transmission assembly24 Sep 2026US 2026/0287032 A1Means Industries, Inc.
- Dog clutch engagement control system7 May 2026US 2026/0126087 A1Denso Corporation
- Method of controlling power connection device for four-wheel drive vehicle28 Aug 2025US 2025/0269720 A1Hyundai Transys Inc.
- Shift system and method for power transmission assembly29 May 2025US 2025/0172176 A1Means Industries, Inc.
- Method for controlling an operation of a motor vehicle1 May 2025US 2025/0137502 A1ZF Friedrichshafen AG
Most cited
By later US patents
- Twin-clutch-type transmission54US 5,711,409 AToyota Jidosha Kabushiki Kaisha · 1998
- Engagement control logic for an automatic transmission clutch with adaptive engagement feel48US 6,253,140 B1Ford Global Technologies, LLC · 2001
- Vehicular control apparatus and method46US 7,178,618 B2Toyota Jidosha Kabushiki Kaisha · 2007
- Automatic clutch system43US 4,295,551 AVolkswagenwerk Aktiengesellschaft · 1981
- Electrohydraulic control device for a drive train of a vehicle35US 5,040,648 ACaterpillar Inc. · 1991