F02G 2243/32
Regenerative displacers having parallel cylinder
Official title: Regenerative displacers having parallel cylinder, e.g. "Lauberau" or "Schwartzkopff" engines
F02G2243/32 (Regenerative displacers having parallel cylinder) appears on 10 US grants and 8 published applications in this corpus.
Search patents in F02G- Granted patents
- 10
- Published applications
- 8
- Assignees
- 10
- Inventors
- 25
- Latest grant
- 29 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
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| 1993 | 0 | 0 |
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| 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 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Regenerative displacer for use in a stirling engine29 Sep 2020US 10,787,992 B1National Cheng Kung University
- External combustion engine17 Oct 2017US 9,790,791 B2Innovative Technological Systems S.R.L.
- Fluid expansion engine21 Mar 2017US 9,598,959 B2
- Thermodynamic machine15 Nov 2016US 9,494,107 B2Foster Findlay Associates Limited
- Stirling engine gas lubrication structure9 Dec 2014US 8,904,779 B2Toyota Jidosha Kabushiki Kaisha
- Thermodynamic Machine21 Jan 2016US 2016/0017843 A1Whittaker Engineering (Stonehaven) Limited
- Fluid expansion engine27 Nov 2014US 2014/0345269 A1
- External combustion engine2 Oct 2014US 2014/0290207 A1Innovative Technological Systems S.R.L.
- Stirling engine gas lubrication structure14 Mar 2013US 2013/0061826 A1Toyota Jidosha Kabushiki Kaisha
- Stirling engine and associated methods1 Jul 2010US 2010/0162697 A1Fleck Technologies, Inc.
Most cited
By later US patents
- Double acting thermodynamically resonant free-piston multicylinder stirling system and method78US 7,134,279 B2Infinia Corporation · 2006
- Hot gas engine47US 4,444,011 A1984
- Stirling engine and associated methods4US 7,677,039 B1Fleck Technologies, Inc. · 2010
- Regenerative displacer for use in a stirling engine1US 10,787,992 B1National Cheng Kung University · 2020