F15B 2211/57
Control of a differential pressure
F15B2211/57 (Control of a differential pressure) appears on 142 US grants and 57 published applications in this corpus.
Search patents in F15B- Granted patents
- 142
- Published applications
- 57
- Assignees
- 89
- Inventors
- 246
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 0 |
| 2002 | 3 | 2 |
| 2003 | 7 | 2 |
| 2004 | 1 | 2 |
| 2005 | 4 | 0 |
| 2006 | 2 | 8 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 4 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 4 |
| 2019 | 4 | 3 |
| 2020 | 3 | 5 |
| 2021 | 5 | 3 |
| 2022 | 4 | 6 |
| 2023 | 3 | 2 |
| 2024 | 6 | 4 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Work machine15 Apr 2025US 12,276,087 B2Hitachi Construction Machinery Co., Ltd.
- Hydraulic balancing control valve and ride control system incorporatng same31 Dec 2024US 12,181,055 B2HydraForce, Inc.
- System and method for controlling a hydraulic supply system on a mobile machine24 Dec 2024US 12,173,732 B2AGCO International GmbH
- Working machine5 Nov 2024US 12,134,877 B2Kubota Corporation
- Inlet section for use in a hydraulic distributor22 Oct 2024US 12,123,502 B2Bucher Hydraulics AG
- Displacement Power Controllers and Applications5 Mar 2026US 2026/0063150 A1Perisseuma Technologies LLC
- System and Method for Controlling a Hydraulic Supply System on a Mobile Machine3 Oct 2024US 2024/0328435 A1AGCO International GmbH
- Valve section and hydraulic system with a valve section18 Apr 2024US 2024/0125396 A1
- Working machine28 Mar 2024US 2024/0102265 A1Kubota Corporation
- Inlet section for use in a hydraulic distributor15 Feb 2024US 2024/0052935 A1Bucher Hydraulics AG
Most cited
By later US patents
- Cartridge valve having solenoid bypass and integral relief valve94US 5,992,450 AEaton Corporation · 1999
- Multiple consumer hydraulic mechanisms60US 4,617,854 ALinde Aktiengesellschaft · 1986
- Hydraulic drive and steering systems for a vehicle48US 5,427,195 AInt. Silvatech Ltd. · 1995
- Hydraulic drive and steering systems for a vehicle35US 5,899,292 A1999
- Load responsive fluid control valve30US 4,222,409 A1980