F02G 2254/20
Heat inputs: using heat transfer tubes
Official title: using heat transfer tubes
F02G2254/20 (Heat inputs: using heat transfer tubes) appears on 11 US grants and 8 published applications in this corpus.
Search patents in F02G- Granted patents
- 11
- Published applications
- 8
- Assignees
- 5
- Inventors
- 19
- Latest grant
- 27 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 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 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Regenerative cooling system27 Apr 2021US 10,989,142 B2
- Radiant heat recovery heater, and stirling engine and combustion furnace using radiant heat recovery heater24 Sep 2019US 10,422,300 B2Yanmar Co., Ltd.
- Stirling engine power generation system17 Oct 2017US 9,790,891 B2
- Captive oxygen fuel reactor30 May 2017US 9,664,139 B2
- Heat engine2 Apr 2013US 8,410,621 B2
- Regenerative cooling system30 Aug 2018US 2018/0245538 A1
- Radiant heat recovery heater, and stirling engine and combustion furnace using radiant heat recovery heater18 May 2017US 2017/0138301 A1Yanmar Co., Ltd.
- Captive Oxygen Fuel Reactor12 Jan 2017US 2017/0009702 A1
- Stirling engine power generation system5 Jan 2012US 2012/0000194 A1
- Heat engine22 Sep 2011US 2011/0227347 A1
Most cited
By later US patents
- Dual source external heating system for a heat pipe23US 4,715,183 AStirling Thermal Motors, Inc. · 1987
- Shell and tube heat pipe condenser20US 4,897,997 AStirling Thermal Motors, Inc. · 1990
- Stirling engine heating system15US 4,753,072 AStirling Power Systems Corporation · 1988
- Energy generating system15US 5,735,123 ADaimler-Benz Aerospace Airbus GmbH · 1998
- Combination gas combuster and heat pipe evaporator device13US 4,825,814 AStirling Thermal Motors, Inc. · 1989