F16F 1/3713
With external elements passively influencing spring stiffness
Official title: {with external elements passively influencing spring stiffness, e.g. rings or hoops}
F16F1/3713 (With external elements passively influencing spring stiffness) appears on 56 US grants and 54 published applications in this corpus.
Search patents in F16F- Granted patents
- 56
- Published applications
- 54
- Assignees
- 46
- Inventors
- 102
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 5 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 5 | 6 |
| 2016 | 3 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 5 |
| 2019 | 5 | 5 |
| 2020 | 3 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 4 |
| 2023 | 0 | 3 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Helical tubular compression-spring28 Apr 2026US 12,612,951 B1
- Device for absorbing and dissipating the energy of a dropped or thrown object3 Mar 2026US 12,564,750 B2
- Dual rate jounce bumper and a vehicle comprising the same22 Apr 2025US 12,281,682 B2BASF SE
- Transport mechanism of server rack and pallet structure15 Oct 2024US 12,116,164 B2Wiwynn Corporation
- Three-dimensional auxetic composite structures17 Sep 2024US 12,092,182 B2Northeastern University
- Frequency dampening mounting system9 Jul 2026US 2026/0192621 A1Vibracoustic USA, Inc.
- Tunable mass damper23 Apr 2026US 2026/0109189 A1
- Cushioning stopper24 Apr 2025US 2025/0129832 A1Nok Corporation
- Device for absorbing and dissipating the energy of a dropped or thrown object5 Dec 2024US 2024/0399186 A1
- Transport mechanism of server rack and pallet structure11 Apr 2024US 2024/0116673 A1Wiwynn Corporation
Most cited
By later US patents
- Method of making polyester elastomer compression spring and resulting product106US 4,198,037 AMiner Enterprises, Inc. · 1980
- Reinforced elastomeric spring38US 6,276,674 B1BTR Industries Limited · 2001
- Motor with worm reduction gear31US 5,212,999 AMitsuba Electric Manufacturing Co., Ltd. · 1993
- Hollow elastomeric spring29US 4,781,365 ADunlop Limited · 1988
- Mount assembly26US 7,070,157 B2BASF SE · 2006