F01C 7/00
Rotary-piston machines or engines with fluid ring or the like
F01C7/00 (Rotary-piston machines or engines with fluid ring or the like) appears on 10 US grants and 6 published applications in this corpus.
Search patents in F01C- Granted patents
- 10
- Published applications
- 6
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 15 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid ring rotating casing steam turbine and method of use thereof15 May 2018US 9,970,293 B2Agam Energy Systems Ltd.
- Liquid ring turbine and method of use31 Oct 2017US 9,803,480 B2General Electric Company
- Liquid ring heat engine10 Jan 2017US 9,540,936 B2Ohio State Innovation Foundation
- Liquid ring rotating casing steam turbine and method of use thereof27 Sep 2016US 9,453,412 B2Agam Energy Systems Ltd.
- Liquid ring system and applications thereof6 Sep 2016US 9,435,318 B2
- Liquid ring rotating casing steam turbine and method of use thereof9 Feb 2017US 2017/0037727 A1Agam Energy Systems Ltd.
- Liquid ring turbine and method of use23 Jun 2016US 2016/0177721 A1General Electric Company
- Liquid ring system and applications thereof7 Aug 2014US 2014/0216028 A1
- Liquid ring heat engine29 May 2014US 2014/0147244 A1The Ohio State University
- Liquid Ring Rotating Casing Steam Turbine and Method of Use Thereof27 Dec 2012US 2012/0324886 A1Agam Energy Systems Ltd.
Most cited
By later US patents