F01B 15/02
Reciprocating-piston machines or engines with movable cylinders other than provided for in
Official title: with reciprocating cylinders (with one piston within another F01B7/20)
F01B15/02 (Reciprocating-piston machines or engines with movable cylinders other than provided for in) appears on 31 US grants and 33 published applications in this corpus.
Search patents in F01B- Granted patents
- 31
- Published applications
- 33
- Assignees
- 16
- Inventors
- 41
- Latest grant
- 10 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 5 | 11 |
| 2014 | 3 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Plunger and cylinder assembly for a reciprocating pump10 Mar 2020US 10,584,586 B1Southern Stimulation Technologies, LLC
- Plunger and cylinder assembly for a reciprocating pump18 Sep 2018US 10,077,659 B1Southern Stimulation Technologies, LLC
- System for collecting energy from a moving mass6 Mar 2018US 9,909,556 B2
- System for collecting energy from a moving mass30 May 2017US 9,664,046 B2
- Orbital non-reciprocating internal combustion engine18 Apr 2017US 9,624,825 B1
- Revolution engine8 Oct 2020US 2020/0318499 A1
- Piston and cylinder apparatus with adjustable stroke volume8 Aug 2019US 2019/0242257 A1Southern Stimulation Technologies, LLC
- System for collecting energy from a moving mass25 Jan 2018US 2018/0023541 A1
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange22 Sep 2016US 2016/0273529 A1LightSail Energy, Inc.
- System for collecting energy from a moving mass30 Jun 2016US 2016/0186717 A1
Most cited
By later US patents
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange119US 8,436,489 B2LightSail Energy, Inc. · 2013
- Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems43US 8,539,763 B2SustainX, Inc. · 2013
- Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems43US 8,806,866 B2SustainX, Inc. · 2014
- Radial engine28US 4,331,108 A1982
- Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange15US 8,482,152 B1LightSail Energy, Inc. · 2013