F02G 2253/08
Stem with rolling membranes
F02G2253/08 (Stem with rolling membranes) appears on 24 US grants and 18 published applications in this corpus.
Search patents in F02G- Granted patents
- 24
- Published applications
- 18
- Assignees
- 9
- Inventors
- 34
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 4 |
| 2016 | 0 | 0 |
| 2017 | 7 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Stirling cycle machine1 Oct 2024US 12,104,552 B2DEKA Products Limited Partnership
- Stirling cycle machine3 Sep 2024US 12,078,123 B2DEKA Products Limited Partnership
- Stirling cycle machine20 Sep 2022US 11,448,158 B2New Power Concepts LLC
- Stirling cycle machine24 May 2022US 11,339,743 B2New Power Concepts LLC
- Stirling cycle machine3 Aug 2021US 11,079,145 B2DEKA Products Limited Partnership
- Stirling cycle machine27 Feb 2025US 2025/0067230 A1DEKA Products Limited Partnership
- Stirling cycle machine23 Jan 2025US 2025/0027461 A1DEKA Products Limited Partnership
- Stirling Cycle Machine5 Jan 2023US 2023/0003174 A1New Power Concepts LLC
- Stirling Cycle Machine27 Jan 2022US 2022/0026118 A1DEKA Products Limited Partnership
- Stirling Cycle Machine12 Dec 2019US 2019/0376468 A1New Power Concepts LLC
Most cited
By later US patents
- Rolling diaphragm seal between two relatively moving parts28US 3,934,480 AU. S. Philips Corporation · 1976
- Stirling cycle machine21US 8,763,391 B2DEKA Products Limited Partnership · 2014
- Yieldably mounted lubricant control assemblies for piston rods20US 4,836,094 AStirling Thermal Motors, Inc. · 1989
- Stirling engine14US 4,620,418 AMitsubishi Denki Kabushiki Kaisha · 1986
- Device for ensuring dynamic tightness, particulary for Stirling engine11US 4,335,884 ASociete ECA · 1982