F01B 3/0041
Arrangements for pressing the cylinder barrel against the valve plate
Official title: {Arrangements for pressing the cylinder barrel against the valve plate, e.g. fluid pressure}
F01B3/0041 (Arrangements for pressing the cylinder barrel against the valve plate) appears on 21 US grants and 15 published applications in this corpus.
Search patents in F01B- Granted patents
- 21
- Published applications
- 15
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic axial piston machine25 Aug 2026US 12,716,356 B2Danfoss A/S
- Centering the housing parts of an axial piston machine25 Nov 2025US 12,480,402 B2Robert Bosch GmbH
- Rotary axial piston machine with hydrostatic pressing device seal arrangement28 Feb 2023US 11,591,910 B2Robert Bosch GmbH
- Hydraulic axial piston unit with central fixed hold down device26 May 2020US 10,662,773 B2Danfoss Power Solutions GmbH & Co. OHG
- Rotary piston engine29 Oct 2019US 10,458,324 B2
- Hydraulic Transformer10 Sep 2026US 2026/0266181 A1Innas B.V.
- Centering the Housing Parts of an Axial Piston Machine6 Feb 2025US 2025/0043684 A1Robert Bosch GmbH
- Hydrostatic Axial Piston Machine of the Swash Plate Construction Type19 Aug 2021US 2021/0254608 A1Robert Bosch GmbH
- Hydraulic axial piston machine24 Jun 2021US 2021/0189878 A1Danfoss A/S
- Double-plate and double-cylinder pump15 Apr 2021US 2021/0108622 A1Ifp Energies Nouvelles
Most cited
By later US patents
- Axial piston machine with swash plate construction15US 5,046,403 ALinde Aktiengesellschaft · 1991
- Axial piston machine with RMP-dependent pressure acting against the cylinder drum8US 6,244,160 B1Brueninghaus Hydromatik GmbH · 2001
- Reciprocating cylinder swash plate pump7US 7,731,485 B2Innas B.V. · 2010
- Axial bearing device for the cylinder barrel in an axial piston machine6US 4,012,994 AVolvo Flygmotor Aktiebolag · 1977
- Axial piston engine comprising a return device6US 6,880,450 B2Brueninghaus Hydromatik GmbH · 2005