F02G 2254/60
Heat inputs: using air preheaters
Official title: using air preheaters
F02G2254/60 (Heat inputs: using air preheaters) appears on 15 US grants and 9 published applications in this corpus.
Search patents in F02G- Granted patents
- 15
- Published applications
- 9
- Assignees
- 9
- Inventors
- 31
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 5 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Congeneration system with a Stirling engine58US 5,074,114 AStirling Thermal Motors, Inc. · 1991
- Stirling engine with integrated gas combustor46US 4,977,742 AStirling Thermal Motors, Inc. · 1990
- Stirling engine41US 5,005,349 AAisin Seiki Kabushiki Kaisha · 1991
- Exhaust gas recirculation apparatus38US 4,277,942 AKommanditbolaget United Stirling AB & Co. · 1981
- Multi-cylinder hot gas engine26US 4,522,030 AMechanical Technology Incorporated · 1985