F02B 71/045
With hydrostatic transmission
Official title: {with hydrostatic transmission}
F02B71/045 (With hydrostatic transmission) appears on 91 US grants and 29 published applications in this corpus.
Search patents in F02B- Granted patents
- 91
- Published applications
- 29
- Assignees
- 33
- Inventors
- 102
- Latest grant
- 3 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 4 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 5 |
| 2014 | 0 | 4 |
| 2015 | 1 | 0 |
| 2016 | 4 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Control signals for free-piston engines3 Aug 2021US 11,078,792 B2Regents of the University of Minnesota
- Methods and systems for free piston engine control20 Nov 2018US 10,132,238 B2Regents of the University of Minnesota
- Internal combustion engines14 Mar 2017US 9,593,625 B2
- Digital hydraulic opposed free piston engines and methods11 Oct 2016US 9,464,569 B2Sturman Digital Systems, LLC
- Free-piston engine12 Jul 2016US 9,388,736 B2Waseda University
- Pump Engine for Hydraulic Capsule Pipeline30 Jun 2022US 2022/0205384 A1
- Control signals for free-piston engines7 Dec 2017US 2017/0350248 A1Regents of the University of Minnesota
- Highly efficient two-stroke internal combustion hydraulic engine with a torquing vane device incorporated.29 Dec 2016US 2016/0376983 A1
- Hydraulic engine10 Mar 2016US 2016/0069256 A1
- Internal combustion engines6 Nov 2014US 2014/0326211 A1
Most cited
By later US patents
- External combustion slidable vane motor with air cushions149US 4,672,813 A1987
- Steam generating apparatus72US 3,998,049 AG & K Development Co., Inc. · 1976
- Linear engine/hydraulic pump47US 4,308,720 APneumo Corporation · 1982
- Hydrostatic transmission system41US 4,016,719 ATechnion Research & Development Foundation Limited · 1977
- Hydraulic combustion accumulator35US 5,647,734 A1997