F16H 61/14
Control of torque converter lock-up clutches
F16H61/14 (Control of torque converter lock-up clutches) appears on 1,404 US grants and 810 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,404
- Published applications
- 810
- Assignees
- 174
- Inventors
- 2,062
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 9 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 14 | 0 |
| 1984 | 23 | 0 |
| 1985 | 17 | 0 |
| 1986 | 32 | 0 |
| 1987 | 25 | 0 |
| 1988 | 20 | 0 |
| 1989 | 19 | 0 |
| 1990 | 23 | 0 |
| 1991 | 29 | 0 |
| 1992 | 37 | 0 |
| 1993 | 17 | 0 |
| 1994 | 25 | 0 |
| 1995 | 21 | 0 |
| 1996 | 45 | 0 |
| 1997 | 68 | 0 |
| 1998 | 49 | 0 |
| 1999 | 41 | 0 |
| 2000 | 46 | 0 |
| 2001 | 24 | 12 |
| 2002 | 28 | 34 |
| 2003 | 33 | 36 |
| 2004 | 34 | 34 |
| 2005 | 21 | 27 |
| 2006 | 29 | 21 |
| 2007 | 20 | 29 |
| 2008 | 14 | 37 |
| 2009 | 29 | 39 |
| 2010 | 28 | 41 |
| 2011 | 29 | 63 |
| 2012 | 44 | 28 |
| 2013 | 51 | 22 |
| 2014 | 37 | 39 |
| 2015 | 45 | 35 |
| 2016 | 38 | 27 |
| 2017 | 28 | 43 |
| 2018 | 43 | 55 |
| 2019 | 47 | 50 |
| 2020 | 60 | 56 |
| 2021 | 37 | 28 |
| 2022 | 31 | 15 |
| 2023 | 30 | 18 |
| 2024 | 18 | 9 |
| 2025 | 11 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatuses and methods for improving automotive transmission converter rear side pressure4 Aug 2026US 12,698,828 B2Superior Transmission Parts, Inc.
- Method and control unit for operating a hybrid vehicle2 Jun 2026US 12,643,531 B2ZF Friedrichshafen AG
- Torque control with a slip device for pressure testing a hydraulic fracturing system26 May 2026US 12,637,934 B1Caterpillar Inc.
- Hydraulic circuit27 Jan 2026US 12,535,088 B2JATCO Ltd
- Control device for transmission, control method for transmission, and non-transitory computer-readable medium13 Jan 2026US 12,523,293 B2JATCO Ltd
- Control apparatus for vehicle18 Jun 2026US 2026/0168571 A1Toyota Jidosha Kabushiki Kaisha
- Torque control with a slip device for pressure testing a hydraulic fracturing system28 May 2026US 2026/0146519 A1Caterpillar Inc.
- System, Method, And Apparatus For Operating A High Efficiency, High Output Transmission23 Apr 2026US 2026/0110356 A1Eaton Cummins Automated Transmission Technologies, LLC
- Apparatuses and Methods for Improving Automotive Transmission Converter Rear Side Pressure19 Feb 2026US 2026/0049656 A1Superior Transmission Parts, Inc.
- Portable transmission control device18 Dec 2025US 2025/0383017 A1
Most cited
By later US patents
- Slip control apparatus for motor vehicle lock-up clutch97US 5,613,583 AToyota Jidosha Kabushiki Kaisha · 1997
- Slip control system for a clutch85US 4,468,988 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1984
- Motor/generator unit applicable to automotive vehicle81US 6,184,603 B2Unisia Jecs Corporation · 2001
- Control system for controlling output torque of internal combustion engine80US 5,101,786 ANippondenso Co., Ltd. · 1992
- Automatic electronic control for a power shift transmission77US 4,414,863 ADeere & Company · 1983