F16H 61/4043
Control of a bypass valve
F16H61/4043 (Control of a bypass valve) appears on 191 US grants and 127 published applications in this corpus.
Search patents in F16H- Granted patents
- 191
- Published applications
- 127
- Assignees
- 91
- Inventors
- 324
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 13 | 0 |
| 1991 | 7 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 6 |
| 2003 | 6 | 3 |
| 2004 | 6 | 9 |
| 2005 | 4 | 4 |
| 2006 | 7 | 12 |
| 2007 | 6 | 8 |
| 2008 | 15 | 11 |
| 2009 | 3 | 9 |
| 2010 | 8 | 6 |
| 2011 | 6 | 8 |
| 2012 | 10 | 3 |
| 2013 | 5 | 5 |
| 2014 | 5 | 6 |
| 2015 | 4 | 8 |
| 2016 | 8 | 2 |
| 2017 | 5 | 1 |
| 2018 | 1 | 4 |
| 2019 | 1 | 0 |
| 2020 | 7 | 5 |
| 2021 | 2 | 4 |
| 2022 | 1 | 2 |
| 2023 | 3 | 4 |
| 2024 | 4 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrostatic pressure release apparatus for hydrostatic transmission8 Sep 2026US 12,729,778 B2MTD Products Inc
- Crane having a closed hydraulic circuit11 Nov 2025US 12,467,532 B2Manitowoc Crane Group France SAS
- Power transmission device for vehicle4 Nov 2025US 12,460,385 B2Hitachi Construction Machinery Co., Ltd.
- Hydraulic closed circuit motorization system and method for controlling the driving of a transport vehicle18 Jun 2024US 12,013,031 B2Faymonville Distribution AG
- Transmission cooler thermal bypass device28 May 2024US 11,994,209 B2Revmax Performance, LLC
- Hydraulic drive system25 Jun 2026US 2026/0177083 A1Hamm AG
- Hydraulically powered power systems and hydraulic circuits having a flow valve and a hydraulic proportional bypass valve1 Jan 2026US 2026/0002549 A1Illinois Tool Works Inc.
- Electro-hydraulic drive system26 Jun 2025US 2025/0207338 A1Hamm AG
- Hydrostatic pressure release apparatus for hydrostatic transmission6 Mar 2025US 2025/0075790 A1MTD Products Inc
- Power Transmission Device for Vehicle23 Jan 2025US 2025/0027295 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Pump unit77US 6,425,244 B1Kanzaki Kokyukoki Mfg.Co., Ltd. · 2002
- Hydrostatic transmission and relief valve therefor55US 5,136,845 AEaton Corporation · 1992
- Hydrostatic transmission55US 5,588,294 AKanzaki Kokyukoki Mfg.Co., Ltd. · 1996
- Hydrostatic transmission with hydraulic bypass and air bleed47US 5,010,733 ASauer-Sundstrand Company · 1991
- Automatic return mechanism for hydrostatic transmission pressure release valve36US 5,052,511 ADeere & Company · 1991