F02G 2243/38
External regenerators having parallel cylinders
Official title: External regenerators having parallel cylinders, e.g. "Heinrici" engines
F02G2243/38 (External regenerators having parallel cylinders) appears on 7 US grants and 3 published applications in this corpus.
Search patents in F02G- Granted patents
- 7
- Published applications
- 3
- Assignees
- 6
- Inventors
- 17
- Latest grant
- 28 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Stirling engine41US 5,005,349 AAisin Seiki Kabushiki Kaisha · 1991
- Stirling engine14US 4,620,418 AMitsubishi Denki Kabushiki Kaisha · 1986
- Apparatus for preventing the rise of oil in a stirling engine4US 4,711,091 AMitsubishi Denki Kabushiki Kaisha · 1987
- Hot-gas reciprocating machine2US 4,357,799 AU. S. Philips Corporation · 1982
- Cryogenic Stirling refrigerator with a pneumatic expander1US 11,209,192 B2Cryo Tech Ltd. · 2021