F16F 9/325
For attachment of valve units
Official title: {for attachment of valve units}
F16F9/325 (For attachment of valve units) appears on 128 US grants and 147 published applications in this corpus.
Search patents in F16F- Granted patents
- 128
- Published applications
- 147
- Assignees
- 53
- Inventors
- 253
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 4 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 5 |
| 2013 | 3 | 3 |
| 2014 | 3 | 8 |
| 2015 | 4 | 7 |
| 2016 | 8 | 4 |
| 2017 | 6 | 12 |
| 2018 | 4 | 19 |
| 2019 | 12 | 5 |
| 2020 | 10 | 10 |
| 2021 | 7 | 14 |
| 2022 | 9 | 4 |
| 2023 | 8 | 6 |
| 2024 | 3 | 10 |
| 2025 | 7 | 9 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coil assembly for an actively controlled damping valve1 Sep 2026US 12,723,636 B2Advanced Suspension Technology LLC
- Vibration damper21 Jul 2026US 12,687,211 B2thyssenkrupp AG
- Damping force controlling shock absorber21 Apr 2026US 12,607,245 B2Hl Mando Corporation
- Vibration damper having two adjustable damping valve devices20 Jan 2026US 12,529,408 B2ZF Friedrichshafen AG
- Twin tube shock with adjustable pressure regulation23 Dec 2025US 12,504,055 B2Fox Factory, Inc.
- Reservoir shock absorber16 Jul 2026US 2026/0201936 A1
- Hydraulic Connector for Connecting an Inner Tube to a Side Solenoid Valve and Damper System25 Jun 2026US 2026/0177129 A1Kyb Europe GmbH, Sucursal En Navarra
- Damping force variable valve assembly and damping force variable shock absorber including the same18 Jun 2026US 2026/0168558 A1Hl Mando Corporation
- Pocket tube and shock absorber including the same11 Jun 2026US 2026/0160309 A1Hl Mando Corporation
- Hydro-pneumatic spring device capable of regulating damping force21 May 2026US 2026/0139723 A1Ningbo Dingqu Automotive Technology Co., Ltd.
Most cited
By later US patents
- Bypass for a suspension damper145US 8,627,932 B2Fox Factory, Inc. · 2014
- Bypass for a suspension damper141US 9,120,362 B2Fox Factory, Inc. · 2015
- Damper with externally mounted semi-active system115US 6,321,888 B1Tenneco Automotive Inc. · 2001
- Adjustable damper with control valve, mounted in an external collar107US 6,978,871 B2Tenneco Automotive Operating Company Inc. · 2005
- Fluid operated oscillation damper96US 5,651,433 AFichtel & Sachs AG · 1997