F16F 9/526
Self-adjustment of fluid springs
Official title: {Self-adjustment of fluid springs}
F16F9/526 (Self-adjustment of fluid springs) appears on 21 US grants and 22 published applications in this corpus.
Search patents in F16F- Granted patents
- 21
- Published applications
- 22
- Assignees
- 22
- Inventors
- 45
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Temperature compensating valve for gas springs18 Mar 2025US 12,253,140 B2Suspa GmbH
- Gas pressure spring comprising an expanding wax, drive system comprising the gas pressure spring25 Feb 2025US 12,234,403 B2Stabilus GmbH
- Gas strut, method for producing the gas strut, drive for a flap with the gas strut23 May 2023US 11,655,876 B2Stabilus GmbH
- Rotary damper assembly21 Feb 2023US 11,585,407 B2Beijingwest Industries Co., Ltd.
- Center biased actuator31 Jan 2023US 11,565,798 B2Safran Landing Systems UK LTD
- Gas pressure spring with temperature compensation, and method for producing the gas pressure spring22 May 2025US 2025/0163984 A1Stabilus GmbH
- Dashpot for damping a closing movement of a hinged closure member26 Dec 2024US 2024/0426155 A1Locinox
- Gas pressure spring comprising an expanding wax, drive system comprising the gas pressure spring25 Jan 2024US 2024/0026199 A1Stabilus GmbH
- Gas pressure spring and method for producing the gas pressure spring22 Jun 2023US 2023/0193975 A1Stabilus GmbH
- Temperature compensating valve for gas springs31 Mar 2022US 2022/0099155 A1Suspa GmbH
Most cited
By later US patents
- Temperature responsive valve assembly for a pneumatic spring85US 6,959,921 B2ArvinMeritor Technology, LLC · 2005
- Pressure regulating dampers69US 7,124,865 B2Progressive Suspension, Inc. · 2006
- Temperature compensated safety gas spring17US 5,722,643 AAVM, Inc. · 1998
- Gasketed cover, cover for electronic equipment and process for producing the covers14US 6,505,839 B1Bridgestone Corporation · 2003
- Temperature compensating gas spring strut and method of making5US 6,263,556 B1Ford Global Technologies, LLC · 2001