F16F 9/464
Control of valve bias or pre-stress
Official title: {Control of valve bias or pre-stress, e.g. electromagnetically (F16F9/465 takes precedence)}
F16F9/464 (Control of valve bias or pre-stress) appears on 209 US grants and 213 published applications in this corpus.
Search patents in F16F- Granted patents
- 209
- Published applications
- 213
- Assignees
- 78
- Inventors
- 274
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 4 |
| 2003 | 4 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 5 |
| 2009 | 1 | 2 |
| 2010 | 2 | 4 |
| 2011 | 1 | 8 |
| 2012 | 2 | 14 |
| 2013 | 6 | 13 |
| 2014 | 10 | 20 |
| 2015 | 19 | 8 |
| 2016 | 18 | 15 |
| 2017 | 11 | 8 |
| 2018 | 10 | 17 |
| 2019 | 10 | 15 |
| 2020 | 17 | 10 |
| 2021 | 7 | 20 |
| 2022 | 9 | 13 |
| 2023 | 13 | 7 |
| 2024 | 14 | 8 |
| 2025 | 6 | 6 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for controlling fluid flow in a shock assembly18 Aug 2026US 12,710,084 B2Fox Factory, Inc.
- Shock absorber/damper device with a solenoid operated valve element and a magnetic flux-bypass nose for influencing magnetic forces during switching operations30 Jun 2026US 12,669,162 B2Suspension Research Innovation B.V.
- Damping force controlling shock absorber21 Apr 2026US 12,607,245 B2Hl Mando Corporation
- Method and apparatus for an adjustable damper24 Mar 2026US 12,583,276 B2Fox Factory, Inc.
- Internal type electronically controlled valve assembly and electronically controlled damper including the same3 Feb 2026US 12,540,685 B2Hl Mando Corporation
- Damping force adjusting device and shock absorbing device20 Aug 2026US 2026/0243327 A1Astemo, Ltd.
- Solenoid actuator and solenoid valve13 Aug 2026US 2026/0235224 A1Astemo, Ltd.
- Valve for continuous hydraulic damping force regulation30 Jul 2026US 2026/0218770 A1Astemo, Ltd.
- Compact dual boost valve system for a hydraulic damper9 Jul 2026US 2026/0194119 A1Fox Factory, Inc.
- Damping force variable valve assembly and damping force variable shock absorber including the same18 Jun 2026US 2026/0168558 A1Hl Mando Corporation
Most cited
By later US patents
- Computer controlled hydraulic resistance device for a prosthesis and other apparatus167US 6,113,642 AMauch, Inc. · 2000
- Method and apparatus for an adjustable damper147US 9,033,122 B2Fox Factory, Inc. · 2015
- Remotely operated bypass for a suspension damper146US 8,857,580 B2Fox Factory, Inc. · 2014
- Remotely operated bypass for a suspension damper144US 9,353,818 B2Fox Factory, Inc. · 2016
- Strut with controlled variable damping rate125US 4,846,317 ATRW Inc. · 1989