F02G 2270/20
Plural piston swash plates
F02G2270/20 (Plural piston swash plates) appears on 34 US grants and 8 published applications in this corpus.
Search patents in F02G- Granted patents
- 34
- Published applications
- 8
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 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 | 0 | 5 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat-assisted pumping systems for use in negative pressure wound therapy7 Jan 2025US 12,186,166 B2Smith & Nephew, Inc.
- Heat-assisted pumping systems for use in negative pressure wound therapy27 Jul 2021US 11,071,653 B2Smith & Nephew, Inc.
- Stirling engine power generation system17 Oct 2017US 9,790,891 B2
- Pressure equalization system for a stirling engine10 Dec 2013US 8,601,809 B2Stirling Biopower, Inc.
- Control valve for a stirling engine17 Sep 2013US 8,534,063 B2Stirling Biopower, Inc.
- Heat-assisted pumping systems for use in negative pressure wound therapy6 Jan 2022US 2022/0000672 A1Smith & Nephew, Inc.
- Heat-assisted pumping systems for use in negative pressure wound therapy24 May 2018US 2018/0140467 A1Smith & Nephew, Inc.
- Stirling engine power generation system5 Jan 2012US 2012/0000194 A1
- Rod Seal Assembly for a Stirling Engine12 Aug 2010US 2010/0199658 A1Stirling Biopower, Inc.
- Piston Assembly for a Stirling Engine12 Aug 2010US 2010/0199659 A1
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
- Balanced variable wobble plate drive39US 4,235,116 AU. S. Philips Corporation · 1980
- Stirling engine33US 4,881,372 AAisin Seiki Kabushiki Kaisha · 1989
- Variable angle swashplate drive30US 4,168,632 AU. S. Philips Corporation · 1979