F03C 1/0474
With two or more radial piston/cylinder units in series
Official title: {with two or more radial piston/cylinder units in series}
F03C1/0474 (With two or more radial piston/cylinder units in series) appears on 10 US grants and 12 published applications in this corpus.
Search patents in F03C- Granted patents
- 10
- Published applications
- 12
- Assignees
- 9
- Inventors
- 37
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Brake mechanism for a radial piston unit16 Dec 2025US 12,497,943 B2Danfoss A/S
- Multi piston machine with at least three switchable displacement volumes2 Sep 2025US 12,404,832 B2Robert Bosch GmbH
- Radial piston device with reduced pressure drop16 Jun 2020US 10,683,854 B2Eaton Intelligent Power Limited
- Hydraulic transmission device allowing relatively quiet coupling20 Feb 2018US 9,896,935 B2Poclain Hydraulics Industrie
- Subassembly forming a hydrobase for hydraulic motors, and assembly method15 Mar 2016US 9,284,942 B2Poclain Hydraulics Industrie
- Bearing arrangement for radial piston units20 Mar 2025US 2025/0092854 A9
- Brake mechanism for a radial piston unit3 Oct 2024US 2024/0328381 A1Danfoss A/S
- Bearing arrangement for radial piston units19 Sep 2024US 2024/0309839 A1
- Multi Piston Machine with at least Three Switchable Displacement Volumes8 Dec 2022US 2022/0389902 A1Robert Bosch GmbH
- Radial piston pumps and motors19 Jul 2018US 2018/0202421 A1Domin Fluid Power Limited
Most cited
By later US patents
- Hydraulic motor11US 4,398,450 AOy Partek AB · 1983
- Hydraulic motor4US 4,445,423 AOy Partek AB · 1984
- Hydraulic motor piston4US 5,979,295 AHagglunds Drives AB · 1999
- Hydrostatic drive4US 9,267,590 B2Robert Bosch GmbH · 2016
- Hydraulic transmission device allowing relatively quiet coupling4US 9,896,935 B2Poclain Hydraulics Industrie · 2018