F16F 1/041
With means for modifying the spring characteristics
Official title: {with means for modifying the spring characteristics (F16F1/12, F16F3/06 take precedence; fluid regulation of coil spring characteristics in vehicle suspensions B60G17/0272)}
F16F1/041 (With means for modifying the spring characteristics) appears on 90 US grants and 57 published applications in this corpus.
Search patents in F16F- Granted patents
- 90
- Published applications
- 57
- Assignees
- 67
- Inventors
- 162
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 4 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 0 |
| 2016 | 5 | 2 |
| 2017 | 0 | 5 |
| 2018 | 0 | 5 |
| 2019 | 3 | 5 |
| 2020 | 6 | 3 |
| 2021 | 3 | 3 |
| 2022 | 4 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Universal modularized coil spring buffer12 Aug 2025US 12,384,211 B2Elite Buffer LLC
- Electromechanical spring system20 Aug 2024US 12,066,073 B2Barnes Group Inc.
- Chassis control arm8 Aug 2023US 11,718,133 B2Thk Co., Ltd.
- Electromechanical spring system15 Nov 2022US 11,499,599 B2Barnes Group Inc.
- Torsion spring adjustment assembly for a finger wheel rake7 Jun 2022US 11,353,076 B2Ogden Metalworks, Inc.
- Spring structure with adjustable hardness and spring package11 Dec 2025US 2025/0375044 A1
- Tapered spring with changeable top size, spring module, and elastic cushion11 Dec 2025US 2025/0377030 A1
- Preload adjuster20 Mar 2025US 2025/0092931 A1
- Universal modularized coil spring buffer4 Jan 2024US 2024/0001724 A1Elite Buffer LLC
- Universal modularized coil spring buffer for vehicle3 Aug 2023US 2023/0241936 A1Elite Buffer LLC
Most cited
By later US patents
- Shock absorber spring adjuster190US 5,044,614 A1991
- Adjustable suspension system145US 5,553,836 APATENTials Incorporated · 1996
- Adjusting mechanism with a helical spring of large diameter120US 7,293,764 B2Neotek Co., Ltd. · 2007
- Mid-wheel drive wheelchair with front wheel multiple bias suspension and anti-tip assembly118US 6,460,641 B1Invacare Corporation · 2002
- Process and device for suspension of vehicle wheels117US 4,348,016 A1982