F01B 13/02
Reciprocating-piston machines or engines with rotating cylinders in order to obtain the
Official title: with one cylinder only
F01B13/02 (Reciprocating-piston machines or engines with rotating cylinders in order to obtain the) appears on 10 US grants and 4 published applications in this corpus.
Search patents in F01B- Granted patents
- 10
- Published applications
- 4
- Assignees
- 4
- Inventors
- 21
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 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 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid machinery, heat exchange equipment, and operating method for fluid machinery9 Mar 2021US 10,941,771 B2Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Continuously variable turbine16 Jun 2020US 10,683,755 B2PDT, Inc.
- Radial motor/pump26 Apr 2005US 6,883,473 B2
- Fuel-injected piston combustion engine27 Jun 2000US 6,079,376 ABergische Metallwarenfabrik, Dillenberg & Co.
- Rotary piston machine17 Jun 1980US 4,207,736 A
- Continuously variable turbine27 Dec 2018US 2018/0371910 A1PDT, Inc.
- Fluid machinery, heat exchange equipment, and operating method for fluid machinery30 Aug 2018US 2018/0245591 A1Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Dual piston rotary engine14 Sep 2006US 2006/0201474 A1
- Radial motor/pump4 Nov 2004US 2004/0216703 A1Gemtech
Most cited
By later US patents