F01B 11/02
Equalising or cushioning devices
F01B11/02 (Equalising or cushioning devices) appears on 55 US grants and 30 published applications in this corpus.
Search patents in F01B- Granted patents
- 55
- Published applications
- 30
- Assignees
- 35
- Inventors
- 76
- Latest grant
- 19 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 7 |
| 2020 | 8 | 2 |
| 2021 | 4 | 0 |
| 2022 | 2 | 3 |
| 2023 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Adaptive linear linked piston electric power generator19 Dec 2023US 11,846,230 B2General Electric Company
- Adaptive linear linked piston electric power generator12 Dec 2023US 11,840,957 B2General Electric Company
- Adaptive linear linked piston electric power generator14 Nov 2023US 11,815,004 B2General Electric Company
- Methods and systems for managing a clearance gap in a piston engine25 Oct 2022US RE49,259 E1Mainspring Energy, Inc.
- Hydraulic actuator equipped with an end-of travel slowing device8 Mar 2022US 11,268,549 B2Safran Landing Systems
- Adaptive linear linked piston electric power generator28 Apr 2022US 2022/0127999 A1General Electric Company
- Adaptive linear linked piston electric power generator17 Feb 2022US 2022/0049645 A1General Electric Company
- Adaptive linear linked piston electric power generator17 Feb 2022US 2022/0049646 A1General Electric Company
- Adaptive linear linked piston electric power generator10 Dec 2020US 2020/0386152 A1General Electric Company
- Hydraulic actuator equipped with an end-of travel slowing device19 Nov 2020US 2020/0362887 A1Safran Landing Systems
Most cited
By later US patents
- Hydraulic intensifier63US 3,967,542 AKelsey-Hayes Company · 1976
- Refrigeration system with linear motor trimming of displacer movement33US 4,475,346 AHelix Technology Corporation · 1984
- Free piston end position limiter30US 5,537,820 ASunPower Corporation · 1996
- Free-piston engine29US 5,829,393 AInnas Free Piston B.V. · 1998
- Free-piston engine having a fluid energy unit27US 5,556,262 AInnas Free Piston B.V. · 1996