F15B 2211/251
High pressure control
F15B2211/251 (High pressure control) appears on 37 US grants and 38 published applications in this corpus.
Search patents in F15B- Granted patents
- 37
- Published applications
- 38
- Assignees
- 32
- Inventors
- 102
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 4 |
| 2021 | 4 | 2 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pressure relief valve assembly, modular pressure relief valve assembly, and hydraulic control assembly having such a pressure relief valve assembly3 Jun 2025US 12,320,437 B2Robert Bosch GmbH
- Turbine fracturing apparatus15 Oct 2024US 12,117,023 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Over-pressure protection system5 Sep 2023US 11,746,802 B2Mueller International, LLC
- Turbine fracturing apparatus27 Jun 2023US 11,686,329 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Hydraulic system and a method for controlling a hydraulic system of a working machine25 Apr 2023US 11,635,095 B2Volvo Construction Equipment AB
- Hydraulic assembly and commercial vehicle1 May 2025US 2025/0135880 A1Deere & Company
- Pressure Relief Valve Assembly, Modular Pressure Relief Valve Assembly, and Hydraulic Control Assembly Having Such a Pressure Relief Valve Assembly4 Apr 2024US 2024/0110633 A1Robert Bosch GmbH
- Turbine Fracturing Apparatus14 Sep 2023US 2023/0287908 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Pressure sensing blowout preventer control system29 Jun 2023US 2023/0205239 A1Schlumberger Technology Corporation
- Turbine fracturing apparatus29 Dec 2022US 2022/0412379 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
Most cited
By later US patents
- Pressure compensating hydraulic control system41US 5,579,642 AHUSCO International, Inc. · 1996
- Hydraulic control valve system with split pressure compensator26US 5,791,142 AHUSCO International, Inc. · 1998
- Control system for hydraulic pumps of a civil machine20US 4,507,057 AKabushiki Kaisha Komatsu Seisakusho · 1985
- Hydraulic device20US 6,082,106 ANachi-Fujikoshi Corp. · 2000
- Load sensing hydraulic system with high pressure cut-off bypass14US 6,094,911 ACaterpillar Inc. · 2000