F15B 2211/6653
Pressure control
F15B2211/6653 (Pressure control) appears on 295 US grants and 323 published applications in this corpus.
Search patents in F15B- Granted patents
- 295
- Published applications
- 323
- Assignees
- 205
- Inventors
- 767
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 2 |
| 2002 | 3 | 6 |
| 2003 | 5 | 7 |
| 2004 | 9 | 6 |
| 2005 | 2 | 4 |
| 2006 | 2 | 5 |
| 2007 | 5 | 9 |
| 2008 | 4 | 6 |
| 2009 | 5 | 10 |
| 2010 | 2 | 2 |
| 2011 | 8 | 4 |
| 2012 | 3 | 6 |
| 2013 | 4 | 5 |
| 2014 | 4 | 12 |
| 2015 | 6 | 16 |
| 2016 | 12 | 10 |
| 2017 | 12 | 9 |
| 2018 | 9 | 22 |
| 2019 | 16 | 24 |
| 2020 | 23 | 23 |
| 2021 | 23 | 20 |
| 2022 | 21 | 31 |
| 2023 | 21 | 22 |
| 2024 | 25 | 26 |
| 2025 | 24 | 24 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method based on a four-chamber hydraulic cylinder6 Oct 2026US 12,753,780 B2Taiyuan University of Technology
- Method and system for a flow-isolated valve arrangement and a three-chamber cylinder hydraulic architecture1 Sep 2026US 12,723,603 B2Purdue Research Foundation
- Hydraulic actuator and method for operating5 May 2026US 12,618,420 B2Airbus Operations GmbH
- Automatic pressure release14 Apr 2026US 12,601,149 B2Caterpillar Work Tools B. V.
- Soft variable impedance actuator using embedded jamming layer17 Mar 2026US 12,577,968 B2The Board of Trustees of the Leland Stanford Junior University
- Method Of Adjusting Relief Pressure Of Relief Valve For Swing Motor13 Aug 2026US 2026/0234899 A1Caterpillar SARL
- Contact estimation method, contact estimation program, and contact estimation device30 Jul 2026US 2026/0216889 A1Bridgestone Corporation
- System and Method for Controlling a Hydraulic Supply System on a Mobile Machine18 Jun 2026US 2026/0168520 A1AGCO International GmbH
- System and Method for Controlling a Hydraulic Supply System on a Mobile Machine11 Jun 2026US 2026/0160276 A1AGCO International GmbH
- Linear actuator assembly and system21 May 2026US 2026/0139694 A1Project Phoenix, LLC
Most cited
By later US patents
- Enhanced computer optimized adaptive suspension system and method196US 6,502,837 B1Kenmar Company Trust · 2003
- Enhanced computer optimized adaptive suspension system and method172US 7,076,351 B2Great Northern Technologies, LLC · 2006
- Force-controlled hydro-elastic actuator139US 6,494,039 B2Massachusetts Institute of Technology · 2002
- Hydraulic system for supplying hydraulic fluid to a hydraulically operated device alternately at pressures of different value71US 4,142,368 AWelko Industriale S.p.A. · 1979
- Apparatus and method for controlling a rated system pressure56US 6,273,686 B1A. Roemheld GmbH & Co KG · 2001