B60G 17/044
Self-pumping fluid springs
Official title: Self-pumping fluid springs (pumps for liquids F04)
B60G17/044 (Self-pumping fluid springs) appears on 99 US grants and 76 published applications in this corpus.
Search patents in B60G- Granted patents
- 99
- Published applications
- 76
- Assignees
- 49
- Inventors
- 137
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 5 |
| 2003 | 4 | 6 |
| 2004 | 3 | 4 |
| 2005 | 5 | 4 |
| 2006 | 5 | 3 |
| 2007 | 1 | 3 |
| 2008 | 3 | 6 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 7 | 4 |
| 2013 | 2 | 1 |
| 2014 | 3 | 4 |
| 2015 | 6 | 4 |
| 2016 | 3 | 3 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 2 |
| 2025 | 4 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Damping force variable shock absorber14 Oct 2025US 12,441,150 B2Hitachi Astemo, Ltd.
- Suspension device, vehicle height adjustment device, and saddle-ride type vehicle30 Sep 2025US 12,427,823 B2Hitachi Astemo, Ltd.
- Self-pumping spring preload system9 Sep 2025US 12,409,697 B2Fox Factory, Inc.
- Air-spring assembly6 May 2025US 12,291,072 B2DRiV Automotive Inc.
- Pilot operated blow-off valves for hydraulic actuators15 Oct 2024US 12,117,024 B2ClearMotion, Inc.
- Compressed air generation apparatus, air spring arrangement, and cab mounting system30 Jul 2026US 2026/0217075 A1ZF Friedrichshafen AG
- Pilot operated blow-off valves for hydraulic actuators19 Mar 2026US 2026/0078778 A1ClearMotion, Inc.
- Damping force variable shock absorber28 Aug 2025US 2025/0269695 A1Hitachi Astemo, Ltd.
- Wheelie control suspension system for snowmobiles24 Apr 2025US 2025/0128559 A1Fox Factory, Inc.
- Pilot operated blow-off valves for hydraulic actuators9 Jan 2025US 2025/0012299 A1ClearMotion, Inc.
Most cited
By later US patents
- Vehicle height adjusting apparatus and cylinder system used therefor89US 6,092,816 ATokico Ltd. · 2000
- Vehicular height adjusting device87US 5,988,655 AKayaba Kogyo Kabushiki Kaisha · 1999
- Spring apparatus37US 6,648,308 B2Ford Global Technologies, LLC · 2003
- Self-leveling dual spring rate strut36US 6,708,803 B22004
- Pneumatic self leveling suspension damper34US 6,547,224 B2Delphi Technologies, Inc. · 2003