F16F 9/185
Bitubular units
Official title: {Bitubular units (where compression of gas leads to a clear spring action F16F9/062)}
F16F9/185 (Bitubular units) appears on 378 US grants and 446 published applications in this corpus.
Search patents in F16F- Granted patents
- 378
- Published applications
- 446
- Assignees
- 120
- Inventors
- 586
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 3 | 2 |
| 2009 | 0 | 6 |
| 2010 | 0 | 8 |
| 2011 | 0 | 1 |
| 2012 | 3 | 4 |
| 2013 | 5 | 12 |
| 2014 | 10 | 20 |
| 2015 | 16 | 19 |
| 2016 | 19 | 31 |
| 2017 | 22 | 38 |
| 2018 | 27 | 34 |
| 2019 | 26 | 28 |
| 2020 | 26 | 36 |
| 2021 | 35 | 50 |
| 2022 | 36 | 40 |
| 2023 | 37 | 38 |
| 2024 | 38 | 29 |
| 2025 | 25 | 18 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vibration dampers for a vehicle22 Sep 2026US 12,742,484 B2thyssenkrupp AG
- Systems for damping a solar photovoltaic array tracker22 Sep 2026US 12,744,492 B2FTC Solar, Inc.
- Frequency-sensitive shock absorber25 Aug 2026US 12,716,464 B2Hl Mando Corporation
- Damper14 Jul 2026US 12,680,592 B2öHlins Group AB
- Valve and shock absorber14 Jul 2026US 12,680,593 B2KYB Corporation
- Shock absorber and damping force generation mechanism17 Sep 2026US 2026/0276054 A1Hitachi Astemo, Ltd.
- Damping force adjusting device and shock absorbing device20 Aug 2026US 2026/0243327 A1Astemo, Ltd.
- Shock absorber13 Aug 2026US 2026/0235186 A1KYB Corporation
- Progressive end-stop control valves for vibration dampers30 Jul 2026US 2026/0218772 A1thyssenkrupp AG
- Hydraulic damper30 Jul 2026US 2026/0218773 A1Beijingwest Industries Co., Ltd.
Most cited
By later US patents
- Position dependent damper for a vehicle suspension system193US 8,801,017 B2Oshkosh Corporation · 2014
- Position dependent damper for a vehicle suspension system154US 9,291,230 B2Oshkosh Defense, LLC · 2016
- Fluid control means for vehicle suspension system145US 4,491,207 ALord Corporation · 1985
- Position dependent damper for a vehicle suspension system139US 9,809,080 B2Oshkosh Defense, LLC · 2017
- Compression isolator for a suspension damper130US 9,038,791 B2Fox Factory, Inc. · 2015