F04B 1/08
Regulated by delivery pressure
Official title: regulated by delivery pressure
F04B1/08 (Regulated by delivery pressure) appears on 32 US grants and 16 published applications in this corpus.
Search patents in F04B- Granted patents
- 32
- Published applications
- 16
- Assignees
- 23
- Inventors
- 49
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 4 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cylinder on demand hydraulic device14 Oct 2025US 12,442,398 B2Tonand Inc.
- Manual displacement control arrangement for an axial piston pump8 Mar 2022US 11,268,499 B2Danfoss Power Solutions GmbH & Co. OHG
- Cylinder on demand hydraulic device14 Sep 2021US 11,118,611 B2Tonand Inc.
- Hydrostatic system providing volumetric efficiency when pump is neutral12 Jan 2021US 10,890,174 B2Danfoss Power Solutions Inc.
- Fuel pump12 May 2020US 10,648,437 B2Delphi Automotive Systems Luxembourg SA
- Cylinder on demand hydraulic device20 Jul 2023US 2023/0228284 A9Tonand Inc.
- Cylinder on demand hydraulic device13 Oct 2022US 2022/0325729 A1Tonand Inc.
- Cylinder on demand hydraulic device29 Apr 2021US 2021/0123464 A1Tonand Inc.
- Inline piston pump25 Mar 2021US 2021/0088043 A1
- Electronic torque and pressure control for load sensing pumps18 Jun 2020US 2020/0191137 A1Danfoss Power Solutions Inc.
Most cited
By later US patents
- Convertible pump servo-valve control46US 4,348,159 ARexnord Inc. · 1982
- System and method for monitoring operation of a pump39US 7,878,765 B2Entegris, Inc. · 2011
- Motor driven hydraulic tool with variable displacement hydraulic pump27US 5,477,680 ABurndy Corporation · 1995
- Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems20US 9,003,955 B1OMAX Corporation · 2015
- System and method for control of fluid pressure18US 7,850,431 B2Entegris, Inc. · 2010