F16F 9/465
Using servo control, the servo pressure being created by the flow of
Official title: {using servo control, the servo pressure being created by the flow of damping fluid, e.g. controlling pressure in a chamber downstream of a pilot passage (self-adjustment of damping F16F9/50)}
F16F9/465 (Using servo control, the servo pressure being created by the flow of) appears on 198 US grants and 183 published applications in this corpus.
Search patents in F16F- Granted patents
- 198
- Published applications
- 183
- Assignees
- 65
- Inventors
- 288
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 2 | 8 |
| 2009 | 2 | 5 |
| 2010 | 2 | 1 |
| 2011 | 6 | 6 |
| 2012 | 0 | 6 |
| 2013 | 4 | 5 |
| 2014 | 4 | 8 |
| 2015 | 9 | 7 |
| 2016 | 3 | 21 |
| 2017 | 19 | 9 |
| 2018 | 9 | 8 |
| 2019 | 11 | 8 |
| 2020 | 9 | 6 |
| 2021 | 2 | 7 |
| 2022 | 8 | 15 |
| 2023 | 6 | 15 |
| 2024 | 10 | 16 |
| 2025 | 13 | 13 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Frequency-sensitive shock absorber and method of operating same11 Aug 2026US 12,704,166 B2Hl Mando Corporation
- Electronically controlled internal damper4 Aug 2026US 12,698,817 B2Hl Mando Corporation
- Damping force controlling shock absorber21 Apr 2026US 12,607,245 B2Hl Mando Corporation
- Fluid pressure damper14 Apr 2026US 12,601,384 B2KYB Corporation
- Solenoid, solenoid valve, and shock absorber7 Apr 2026US 12,597,546 B2KYB 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.
- Damping valve and shock absorber30 Jul 2026US 2026/0218771 A1KYB Corporation
- Pressure control valve for the open-loop or closed-loop control of a pressure of a fluid in a pilot pressure chamber, and vibration damper having such a pressure control valve23 Jul 2026US 2026/0210453 A1Solero Technologies Villingen GMBH
Most cited
By later US patents
- Load dependent damper for a vehicle suspension system167US 8,991,840 B2Oshkosh Defense, LLC · 2015
- Method and apparatus for an adjustable damper147US 9,033,122 B2Fox Factory, Inc. · 2015
- Variable damping force shock absorber139US 5,588,510 AHUSCO International, Inc. · 1996
- Damping force control type hydraulic shock absorber129US 6,371,262 B1Tokico Ltd. · 2002
- Damping pilot valve having vibration damper-related characteristic curves110US 5,398,787 AFichtel & Sachs AG · 1995