F16F 2230/06
Fluid filling or discharging
F16F2230/06 (Fluid filling or discharging) appears on 77 US grants and 93 published applications in this corpus.
Search patents in F16F- Granted patents
- 77
- Published applications
- 93
- Assignees
- 71
- Inventors
- 202
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 2 |
| 2014 | 2 | 7 |
| 2015 | 4 | 0 |
| 2016 | 3 | 6 |
| 2017 | 6 | 8 |
| 2018 | 7 | 10 |
| 2019 | 7 | 6 |
| 2020 | 6 | 7 |
| 2021 | 7 | 5 |
| 2022 | 6 | 9 |
| 2023 | 4 | 5 |
| 2024 | 4 | 10 |
| 2025 | 7 | 3 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vibration damper having a hydraulic connection25 Aug 2026US 12,716,463 B2ZF Friedrichshafen AG
- Pressure balanced valve with integral pressure relief function16 Jun 2026US 12,655,915 B2Fox Factory, Inc.
- Hydraulic port protection plugs for shock absorbers28 Apr 2026US 12,612,953 B2Advanced Suspension Technology LLC
- Damper device10 Mar 2026US 12,571,449 B2Nifco Inc.
- Hydraulically-adjustable preload and/or cross-over16 Dec 2025US 12,496,867 B2Fox Factory, Inc.
- Damper System7 May 2026US 2026/0126095 A1Kyb Europe GmbH, Sucursal En Navarra
- Gas Spring and Gas Damper Assemblies with External Mounting Member and Suspension System Including Same30 Apr 2026US 2026/0117836 A1Firestone Industrial Products Company, LLC
- Hydraulically-adjustable preload and/or cross-over12 Mar 2026US 2026/0070391 A1Fox Factory, Inc.
- Energy absorption structure5 Mar 2026US 2026/0063185 A1Toyota Jidosha Kabushiki Kaisha
- Single valve shock1 Jan 2026US 2026/0002574 A1Fox Factory, Inc.
Most cited
By later US patents
- Pneumatic spring with safety release22US 3,995,842 AStabilus GmbH · 1976
- Gas spring incorporating a safety member19US 6,431,332 B1Orflam Industries · 2002
- Shock absorber8US 10,480,604 B2Hitachi Automotive Systems Americas Inc. · 2019
- Overtravel pressure relief for a gas spring8US 9,347,510 B2DADCO, Inc. · 2016
- End member assemblies as well as gas spring assemblies, suspension systems and methods including same5US 10,465,763 B2Firestone Industrial Products Company, LLC · 2019