F16F 9/3488
Characterised by features intended to affect valve bias or pre-stress
Official title: {characterised by features intended to affect valve bias or pre-stress}
F16F9/3488 (Characterised by features intended to affect valve bias or pre-stress) appears on 94 US grants and 132 published applications in this corpus.
Search patents in F16F- Granted patents
- 94
- Published applications
- 132
- Assignees
- 38
- Inventors
- 165
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 4 |
| 2015 | 6 | 9 |
| 2016 | 4 | 11 |
| 2017 | 7 | 7 |
| 2018 | 9 | 10 |
| 2019 | 9 | 13 |
| 2020 | 6 | 12 |
| 2021 | 10 | 5 |
| 2022 | 7 | 10 |
| 2023 | 8 | 11 |
| 2024 | 3 | 8 |
| 2025 | 8 | 9 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Frequency-sensitive shock absorber25 Aug 2026US 12,716,464 B2Hl Mando Corporation
- Device for controlling fluid flow in a shock assembly18 Aug 2026US 12,710,084 B2Fox Factory, Inc.
- Shock absorber21 Apr 2026US 12,607,243 B2Hitachi Astemo, Ltd.
- Pressure balanced poppett with check14 Apr 2026US 12,601,414 B2Fox Factory, Inc.
- Shock absorber17 Mar 2026US 12,578,004 B2Hitachi Astemo, Ltd.
- Damping force adjusting device and shock absorbing device20 Aug 2026US 2026/0243327 A1Astemo, Ltd.
- Damping valve and shock absorber30 Jul 2026US 2026/0218771 A1KYB Corporation
- Hydraulic damper30 Jul 2026US 2026/0218773 A1Beijingwest Industries Co., Ltd.
- Compact dual boost valve system for a hydraulic damper9 Jul 2026US 2026/0194119 A1Fox Factory, Inc.
- 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
- Valve structure for damper53US 5,529,154 AShowa Corporation · 1996
- Movement stage for a hydraulic shock absorber and shock absorber with the movement stage38US 10,473,179 B22019
- Variable bleed orifice valving34US 6,672,436 B1Tenneco Automotive Operating Company Inc. · 2004
- Hydraulic shock absorber29US 5,018,608 ATokico Ltd. · 1991
- Main piston boost valve in a vehicle damper23US 11,448,283 B2Fox Factory, Inc. · 2022