F01B 1/0686
By changing the effective piston stroke
Official title: {by changing the effective piston stroke}
F01B1/0686 (By changing the effective piston stroke) appears on 14 US grants and 4 published applications in this corpus.
Search patents in F01B- Granted patents
- 14
- Published applications
- 4
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 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 | 2 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hydraulic control circuit for a hydraulic motor2 Dec 2025US 12,486,770 B2Danfoss Power Solutions GmbH & Co. OHG
- Hydraulic radial piston device with improved pressure transition mechanism13 Aug 2019US 10,378,357 B2Eaton Intelligent Power Limited
- R-θ table apparatus and processing apparatus of internal thread30 Jul 2019US 10,363,597 B2M. H. Center, Ltd.
- Displacement assembly for a fluid device17 Nov 2015US 9,188,111 B2Eaton Corporation
- Radial piston hydraulic motor of variable cylinder capacity11 Aug 1992US 5,136,932 A
- Hydraulic control circuit for a hydraulic motor20 Jun 2024US 2024/0200454 A1Danfoss Power Solutions GmbH & Co. OHG
- R-theta table apparatus and processing apparatus of internal thread8 Sep 2016US 2016/0256915 A1M. H. Center, Ltd.
- Hydraulic radial piston device with improved pressure transition mechanism21 Jul 2016US 2016/0208610 A1Eaton Intelligent Power Limited
- Displacement assembly for a fluid device23 Feb 2012US 2012/0042774 A1Eaton Corporation
Most cited
By later US patents
- Variable output fluid pump/motor9US 4,055,106 A1977
- Pilot controlled variable displacement fluid motor7US 4,131,056 AFiat-Allis Construction Machinery, Inc. · 1978
- Radial piston pump/motors6US 3,935,794 A1976
- Hydrostatic piston machine having a cylindrical mounting pin4US 4,006,668 ASulzer Brothers Limited · 1977
- Radial piston pump/motors4US 4,018,138 A1977