F16F 9/064
Units characterised by the location or shape of the expansion chamber
Official title: {Units characterised by the location or shape of the expansion chamber (F16F9/068, F16F9/08 take precedence)}
F16F9/064 (Units characterised by the location or shape of the expansion chamber) appears on 370 US grants and 457 published applications in this corpus.
Search patents in F16F- Granted patents
- 370
- Published applications
- 457
- Assignees
- 156
- Inventors
- 586
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 5 |
| 2003 | 5 | 3 |
| 2004 | 0 | 10 |
| 2005 | 2 | 15 |
| 2006 | 8 | 11 |
| 2007 | 9 | 19 |
| 2008 | 3 | 10 |
| 2009 | 8 | 12 |
| 2010 | 7 | 17 |
| 2011 | 2 | 10 |
| 2012 | 9 | 10 |
| 2013 | 7 | 12 |
| 2014 | 14 | 16 |
| 2015 | 19 | 13 |
| 2016 | 15 | 20 |
| 2017 | 18 | 25 |
| 2018 | 20 | 26 |
| 2019 | 20 | 38 |
| 2020 | 26 | 32 |
| 2021 | 26 | 42 |
| 2022 | 35 | 25 |
| 2023 | 29 | 25 |
| 2024 | 26 | 25 |
| 2025 | 24 | 21 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal floating piston8 Sep 2026US 12,729,742 B2Fox Factory, Inc.
- Suspension damper with remotely-operable valve4 Aug 2026US 12,698,818 B2Fox Factory, Inc.
- Damper14 Jul 2026US 12,680,592 B2öHlins Group AB
- Controllable vibration damper12 May 2026US 12,624,739 B2thyssenkrupp AG
- Method and apparatus for an adjustable damper24 Mar 2026US 12,583,276 B2Fox Factory, Inc.
- Shock absorber13 Aug 2026US 2026/0235186 A1KYB Corporation
- Reservoir shock absorber16 Jul 2026US 2026/0201936 A1
- Hydraulic Suspension Dampers with Control Valve Assembly and Regulating Controls18 Jun 2026US 2026/0168557 A1
- Hydro-pneumatic spring device capable of regulating damping force21 May 2026US 2026/0139723 A1Ningbo Dingqu Automotive Technology Co., Ltd.
- Damper valve and hydraulic damper using the same21 May 2026US 2026/0139724 A1Ningbo Dingqu Automotive Technology Co., Ltd.
Most cited
By later US patents
- Bicycle fork cartridge assembly255US 6,592,136 B2Fox Factory, Inc. · 2003
- Inertia valve shock absorber199US 7,128,192 B2Fox Factory, Inc. · 2006
- Hydrapneumatic suspension unit and valving structure195US 4,153,237 A1979
- Hydraulic dampers with pressure regulated control valve184US 6,978,872 B2Progressive Suspension, Inc. · 2005
- Shock absorber using a hydraulic fluid and a magnetorheological fluid166US 6,279,702 B1Mando Corporation · 2001