F16F 9/3487
With spacers or spacing rings
Official title: {with spacers or spacing rings}
F16F9/3487 (With spacers or spacing rings) appears on 33 US grants and 45 published applications in this corpus.
Search patents in F16F- Granted patents
- 33
- Published applications
- 45
- Assignees
- 25
- Inventors
- 79
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 1 | 5 |
| 2006 | 3 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 6 |
| 2022 | 2 | 2 |
| 2023 | 7 | 5 |
| 2024 | 3 | 6 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Damping-valve device with a progressive damping- force characteristic curve9 Jun 2026US 12,650,154 B2ZF Friedrichshafen AG
- Damper assembly3 Jun 2025US 12,320,404 B2DRiV Automotive Inc.
- Frequency sensitive type shock absorber8 Apr 2025US 12,270,454 B2Hl Mando Corporation
- Damper assembly18 Mar 2025US 12,253,138 B2
- Damper assembly24 Sep 2024US 12,098,756 B2DRiV Automotive Inc.
- Base Valve With Open Bleed Tuning Capabilities12 Mar 2026US 2026/0070385 A1Advanced Suspension Technology LLC
- Damper with asymmetrical valve preload ring3 Jul 2025US 2025/0215951 A1DRiV Automotive Inc.
- Piston pilot valve assembly and frequency sensitive shock absorber having same22 May 2025US 2025/0163985 A1Hl Mando Corporation
- Damper assembly28 Nov 2024US 2024/0392857 A1DRiV Automotive Inc.
- Fulcrum and check discs for shock absorber with optimized bleed range and tuneability14 Nov 2024US 2024/0376953 A1
Most cited
By later US patents
- Continuously open throttling fluid passage device for shock absorbers30US 4,460,074 AFichtel & Sachs AG · 1984
- Bicycle suspension damping system27US 7,810,826 B2Specialized Bicycle Components, Inc. · 2010
- Damping valve device with progressive damping force24US 7,584,829 B2ThyssenKrupp Bilstein Suspension GmbH · 2009
- Shock absorber22US 9,777,790 B2Hitachi Automotive Systems, Ltd. · 2017
- Hydraulic damper with compensation chamber20US 8,132,654 B2BWI Company Limited S.A. · 2012