F16F 9/26
With two cylinders in line and with the two pistons or plungers
Official title: with two cylinders in line and with the two pistons or plungers connected together
F16F9/26 (With two cylinders in line and with the two pistons or plungers) appears on 40 US grants and 39 published applications in this corpus.
Search patents in F16F- Granted patents
- 40
- Published applications
- 39
- Assignees
- 38
- Inventors
- 87
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 4 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 1 | 4 |
| 2015 | 4 | 2 |
| 2016 | 0 | 1 |
| 2017 | 3 | 4 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Linear-motion damper and steering device19 Nov 2024US 12,145,677 B2Somic Management Holdings Inc.
- Hydraulic suspension damper with a hydraulic stroke stop arrangement3 Jan 2023US 11,543,000 B2Beijingwest Industries Co., Ltd.
- Shock absorbing system for bicycle front fork27 Dec 2022US 11,535,335 B2
- Main rotor damper elastomeric rod end22 Nov 2022US 11,505,312 B2Lockheed Martin Corporation
- Rotary damper, particularly for vehicle suspension21 Jun 2022US 11,365,782 B2Marelli Suspension Systems Italy S.P.A.
- Twin-tube damper10 Jul 2025US 2025/0224012 A1AFCO Performance Group, LLC
- Shock absorber, telescopic suspension fork and macpherson strut suspension15 May 2025US 2025/0153525 A1
- Linear-motion damper and steering device3 Aug 2023US 2023/0242178 A1Somic Management Holdings Inc.
- Hydraulic suspension damper with a hydraulic stroke stop arrangement7 Jul 2022US 2022/0213946 A1Beijingwest Industries Co., Ltd.
- Shock absorbing system for bicycle front fork16 Dec 2021US 2021/0387693 A1
Most cited
By later US patents
- Damping apparatus for bicycle forks73US 6,505,719 B2Answer Products, Inc. · 2003
- Damping apparatus for bicycle forks63US 5,848,675 AAnswer Products, Inc. · 1998
- Hydropneumatic suspension system57US 5,246,247 AHermann Hemscheidt Maschinenfabrik GmbH & Co. · 1993
- Magnetorheological damper and energy dissipation method32US 6,694,856 B1Systems Planning & Analysis, Inc. · 2004
- Gas spring having a plurality of pressure chambers arranged one behind another31US 4,909,488 AStabilus GmbH · 1990