F16H 61/433
Pump capacity control by fluid pressure control means
F16H61/433 (Pump capacity control by fluid pressure control means) appears on 219 US grants and 117 published applications in this corpus.
Search patents in F16H- Granted patents
- 219
- Published applications
- 117
- Assignees
- 79
- Inventors
- 378
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 4 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 8 |
| 2005 | 5 | 4 |
| 2006 | 6 | 2 |
| 2007 | 2 | 7 |
| 2008 | 5 | 10 |
| 2009 | 4 | 2 |
| 2010 | 4 | 8 |
| 2011 | 5 | 3 |
| 2012 | 3 | 4 |
| 2013 | 5 | 5 |
| 2014 | 7 | 5 |
| 2015 | 2 | 3 |
| 2016 | 5 | 3 |
| 2017 | 3 | 9 |
| 2018 | 3 | 5 |
| 2019 | 6 | 7 |
| 2020 | 13 | 11 |
| 2021 | 5 | 4 |
| 2022 | 3 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 4 |
| 2025 | 5 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Device and method for controlling the traction of a hydraulic assistance circuit21 Nov 2024US 2024/0384788 A1Poclain Hydraulics Industrie
- Swash plate braking6 Jun 2024US 2024/0183443 A1Zimeno Inc.
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Most cited
By later US patents
- Control apparatus for an adjustable hydraulic machine driven by an adjustable driving motor47US 3,932,993 AHydromatik GmbH · 1976
- Axle driving apparatus46US 6,619,038 B2Kanzaki Kokyukoki Mfg.Co., Ltd. · 2003
- Fluid system with flow compensated torque control45US 4,481,770 ACaterpillar Tractor Co. · 1984
- Control system for hydraulically driven vehicle44US 4,395,878 AKabushiki Kaisha Komatsu Seisakusho · 1983
- Circuit pressure control system for hydrostatic power transmission44US 4,510,750 AHitachi Construction Machinery Co., Ltd. · 1985