F16H 61/0021
Generation or control of line pressure
Official title: {Generation or control of line pressure}
F16H61/0021 (Generation or control of line pressure) appears on 1,829 US grants and 1,630 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,829
- Published applications
- 1,630
- Assignees
- 312
- Inventors
- 3,013
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 13 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 17 | 0 |
| 1990 | 12 | 0 |
| 1991 | 25 | 0 |
| 1992 | 36 | 0 |
| 1993 | 17 | 0 |
| 1994 | 19 | 0 |
| 1995 | 16 | 0 |
| 1996 | 15 | 0 |
| 1997 | 23 | 0 |
| 1998 | 37 | 0 |
| 1999 | 24 | 0 |
| 2000 | 23 | 0 |
| 2001 | 14 | 7 |
| 2002 | 31 | 33 |
| 2003 | 35 | 33 |
| 2004 | 33 | 35 |
| 2005 | 29 | 47 |
| 2006 | 26 | 28 |
| 2007 | 23 | 35 |
| 2008 | 23 | 39 |
| 2009 | 19 | 64 |
| 2010 | 29 | 61 |
| 2011 | 40 | 80 |
| 2012 | 67 | 93 |
| 2013 | 94 | 115 |
| 2014 | 98 | 83 |
| 2015 | 92 | 92 |
| 2016 | 86 | 120 |
| 2017 | 103 | 98 |
| 2018 | 104 | 119 |
| 2019 | 108 | 118 |
| 2020 | 125 | 100 |
| 2021 | 70 | 71 |
| 2022 | 80 | 38 |
| 2023 | 49 | 55 |
| 2024 | 55 | 36 |
| 2025 | 32 | 16 |
| 2026 | 18 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve body assembly having valve member8 Sep 2026US 12,729,764 B2Ford Global Technologies, LLC
- Accumulator plate device25 Aug 2026US 12,716,484 B2
- Hydraulic control apparatus of automatic transmission, and vehicle14 Jul 2026US 12,680,608 B2Isuzu Motors Limited
- Drop-in signal accumulator piston kit and method for replacing an original equipment signal accumulator piston30 Jun 2026US 12,669,175 B2Sonnax Transmission Company
- Off-highway recreational vehicle26 May 2026US 12,638,076 B2Textron Innovations Inc.
- Off-highway recreational vehicle24 Sep 2026US 2026/0287054 A1Textron Innovations Inc.
- Hydraulic system, hybrid transmission, and vehicle10 Sep 2026US 2026/0266342 A1Chery Automobile Co., Ltd.
- Vehicular driving device30 Jul 2026US 2026/0221844 A1Aisin Corporation
- Valve body assembly having valve member9 Jul 2026US 2026/0194137 A1Ford Global Technologies, LLC
- Control device for gearbox25 Jun 2026US 2026/0177038 A1Zf Wind Power Antwerpen N.V.
Most cited
By later US patents
- Hydraulic control system for transmissions116US 6,514,175 B2Toyota Jidosha Kabushiki Kaisha · 2003
- Hydraulic circuit for a toroidal transmission111US 7,591,755 B2Cie KG and Bayerische Motorenwerke Aktiengesellschaft · 2009
- Continuously variable transmission105US 8,167,759 B2Fallbrook Technologies Inc. · 2012
- Six-speed powertrain and hydraulic control system for automatic transmission97US 6,840,885 B2Hyundai Motor Company · 2005
- Continuously variable transmission93US 8,870,711 B2Fallbrook Intellectual Property Company LLC · 2014