F02G 2242/40
Piston-type engines
F02G2242/40 (Piston-type engines) appears on 12 US grants and 6 published applications in this corpus.
Search patents in F02G- Granted patents
- 12
- Published applications
- 6
- Assignees
- 8
- Inventors
- 23
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- External combustion heat engine combustion chamber4 Jul 2023US 11,692,507 B2Quantum Industrial Development Corp.
- Stirling refrigerator12 Mar 2019US 10,228,164 B2Sumitomo Heavy Industries, Ltd.
- Heat engine20 Nov 2007US 7,296,408 B2
- Method and apparatus for converting thermal energy to mechanical energy23 Oct 2007US 7,284,372 B2
- Heat exchanger and method of producing the same17 Oct 2000US 6,131,644 AAdvanced Mobile Telecommunication Technology Inc.
- Pneumatically Actuated Energy Generator19 Mar 2026US 2026/0078714 A1
- External combustion heat engine combustion chamber2 Sep 2021US 2021/0270205 A1Quantum Industrial Development Corp.
- Stirling refrigerator1 Oct 2015US 2015/0276272 A1Sumitomo Heavy Industries, Ltd.
- Closed loop thermodynamic machine12 Jul 2012US 2012/0174585 A1New Malone Company Limited
- Method and apparatus for converting thermal energy to mechanical energy4 May 2006US 2006/0090467 A1
Most cited
By later US patents
- Sealing capped nut and bolt therefor87US 4,490,083 ARussell, Burdsall & Ward Corporation · 1984
- Method and apparatus for converting thermal energy to mechanical energy39US 7,284,372 B22007
- Heat exchanger and method of producing the same22US 6,131,644 AAdvanced Mobile Telecommunication Technology Inc. · 2000
- Thermally powered engine20US 4,617,801 A1986
- Dynamically balanced Gifford-McMahon refrigerator cold head12US 5,103,647 AGeneral Electric Company · 1992