F16H 61/06
By controlling rate of change of fluid pressure
Official title: by controlling rate of change of fluid pressure
F16H61/06 (By controlling rate of change of fluid pressure) appears on 1,559 US grants and 765 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,559
- Published applications
- 765
- Assignees
- 194
- Inventors
- 1,903
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 14 | 0 |
| 1983 | 9 | 0 |
| 1984 | 19 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 28 | 0 |
| 1988 | 20 | 0 |
| 1989 | 35 | 0 |
| 1990 | 35 | 0 |
| 1991 | 75 | 0 |
| 1992 | 60 | 0 |
| 1993 | 35 | 0 |
| 1994 | 37 | 0 |
| 1995 | 46 | 0 |
| 1996 | 43 | 0 |
| 1997 | 39 | 0 |
| 1998 | 59 | 0 |
| 1999 | 68 | 0 |
| 2000 | 55 | 0 |
| 2001 | 38 | 9 |
| 2002 | 29 | 44 |
| 2003 | 44 | 30 |
| 2004 | 34 | 41 |
| 2005 | 34 | 47 |
| 2006 | 34 | 26 |
| 2007 | 23 | 37 |
| 2008 | 25 | 38 |
| 2009 | 23 | 45 |
| 2010 | 37 | 42 |
| 2011 | 28 | 46 |
| 2012 | 50 | 37 |
| 2013 | 53 | 36 |
| 2014 | 58 | 43 |
| 2015 | 51 | 36 |
| 2016 | 35 | 23 |
| 2017 | 24 | 23 |
| 2018 | 23 | 38 |
| 2019 | 31 | 26 |
| 2020 | 33 | 29 |
| 2021 | 23 | 23 |
| 2022 | 31 | 16 |
| 2023 | 19 | 12 |
| 2024 | 12 | 8 |
| 2025 | 10 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for operating drive assembly, drive assembly, and work machine6 Oct 2026US 12,753,834 B2Deere & Company
- Control system, work vehicle, control method and computer program1 Sep 2026US 12,723,649 B2Kubota Corporation
- System and method for calibrating transmission5 May 2026US 12,618,466 B2Dana Belgium N.V.
- Method for adapting a pressure characteristic line of a friction-locking shifting element of a transmission, and controller21 Apr 2026US 12,607,258 B2ZF Friedrichshafen AG
- Control systems to dampen output shaft oscillations, vehicles and transmissions incorporating the same, and methods therefor9 Dec 2025US 12,492,746 B2Allison Transmission, Inc.
- Agricultural work vehicle17 Sep 2026US 2026/0276080 A1Ls Mtron Ltd.
- Method for adapting a clutch for a vehicle23 Jul 2026US 2026/0210415 A1ZF Friedrichshafen AG
- System and method for calibrating transmission30 Apr 2026US 2026/0117860 A1Dana Belgium N.V.
- System, Method, And Apparatus For Operating A High Efficiency, High Output Transmission23 Apr 2026US 2026/0110356 A1Eaton Cummins Automated Transmission Technologies, LLC
- Method for operating drive assembly, drive assembly, and work machine12 Feb 2026US 2026/0043471 A1Deere & Company
Most cited
By later US patents
- Electronically-controlled, adaptive automatic transmission system166US 4,875,391 AChrysler Motors Corporation · 1989
- Continuously variable transmission apparatus123US 6,932,739 B2Nsk Ltd. · 2005
- Internal combustion engine starting drive control system for hybrid vehicle102US 6,077,186 AToyota Jidosha Kabushiki Kaisha · 2000
- Transmission clutch loop transfer control95US 4,790,418 AFord Motor Company · 1988
- Transmission clutch control system and method85US 4,527,678 AFord Motor Company · 1985