F01B 3/0055
Valve means
Official title: {Valve means, e.g. valve plate}
F01B3/0055 (Valve means) appears on 42 US grants and 27 published applications in this corpus.
Search patents in F01B- Granted patents
- 42
- Published applications
- 27
- Assignees
- 26
- Inventors
- 70
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 9 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 0 |
| 2019 | 3 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 3 |
| 2022 | 0 | 2 |
| 2023 | 4 | 1 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Actuation system for a motor6 Jan 2026US 12,516,662 B2Dana Motion Systems Italia S.R.L.
- Axial piston variable displacement hydraulic devices, such as hydraulic motors, and methods of operating same3 Jun 2025US 12,320,412 B2Regents of the University of Minnesota
- Valve plate, cylinder block, and hydraulic motor28 May 2024US 11,994,098 B2Komatsu Ltd.
- Hydraulic axial piston unit and method for controlling of a hydraulic axial piston unit2 Apr 2024US 11,946,462 B2Danfoss Power Solutions Inc.
- System for a bent axis motor13 Feb 2024US 11,898,582 B1Dana Motion Systems Italia S.R.L.
- Hydraulic Transformer10 Sep 2026US 2026/0266181 A1Innas B.V.
- Actuation system for a motor26 Sep 2024US 2024/0318642 A1Dana Motion Systems Italia S.R.L.
- Axial piston variable displacement hydraulic devices, such as hydraulic motors, and methods of operating same7 Mar 2024US 2024/0077135 A1Regents of the University of Minnesota
- Valve plate, cylinder block, and hydraulic motor7 Sep 2023US 2023/0279833 A1Komatsu Ltd.
- Support system for a displacement adjustment plate of an axial piston machine13 Oct 2022US 2022/0325704 A1Dana Motion Systems Italia S.R.L.
Most cited
By later US patents
- Valving system for compressors, engines and the like19US 4,060,060 ATurner Research, Inc. · 1977
- Uniflow-type external combustion engine featuring double expansion and rotary drive18US 3,970,055 A1976
- Midplane porting block for an axial piston machine18US 3,975,990 AClark Equipment Company · 1976
- Two-cycle rotary-reciprocal-engine18US 4,022,168 A1977
- Rotary fluid energy translating device9US 4,096,786 ASundstrand Corporation · 1978