F16F 15/134
Wound springs
Official title: Wound springs {(F16F15/1333, F16F15/1337, F16F15/137 take precedence)}
F16F15/134 (Wound springs) appears on 407 US grants and 283 published applications in this corpus.
Search patents in F16F- Granted patents
- 407
- Published applications
- 283
- Assignees
- 88
- Inventors
- 548
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 21 | 0 |
| 1993 | 10 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 22 | 0 |
| 1999 | 20 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 5 |
| 2002 | 13 | 8 |
| 2003 | 11 | 7 |
| 2004 | 4 | 7 |
| 2005 | 2 | 7 |
| 2006 | 4 | 9 |
| 2007 | 10 | 5 |
| 2008 | 5 | 4 |
| 2009 | 5 | 2 |
| 2010 | 3 | 6 |
| 2011 | 4 | 6 |
| 2012 | 5 | 6 |
| 2013 | 2 | 9 |
| 2014 | 8 | 19 |
| 2015 | 9 | 36 |
| 2016 | 17 | 19 |
| 2017 | 25 | 25 |
| 2018 | 19 | 23 |
| 2019 | 21 | 32 |
| 2020 | 16 | 18 |
| 2021 | 8 | 10 |
| 2022 | 11 | 9 |
| 2023 | 11 | 4 |
| 2024 | 7 | 0 |
| 2025 | 2 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems22 Sep 2026US 12,743,014 B2Seescan, Inc.
- Damper device and method of assembling same18 Nov 2025US 12,473,961 B2Exedy Corporation
- Power transmission device27 May 2025US 12,313,128 B2Exedy Corporation
- Damper device30 Jul 2024US 12,049,937 B2Exedy Corporation
- Torsion damper for vehicle18 Jun 2024US 12,013,008 B2Hyundai Transys Inc.
- Electric machine generating electrical energy and for generating a torque, and drive unit for a hybrid vehicle4 Jun 2026US 2026/0152054 A1Schaeffler Technologies AG & Co. KG
- Vibration damping device5 Feb 2026US 2026/0036175 A1Valeo Embrayages
- Seat and torsion damper comprising same14 Aug 2025US 2025/0257776 A1Valeo Embrayages
- Centrifugal force pendulum comprising radially internal stop damper24 Jul 2025US 2025/0237289 A1Schaeffler Technologies AG & Co. KG
- Pendular rocker damper with overload protection, and hybrid powertrain26 Jun 2025US 2025/0207656 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Apparatus for damping torsional vibrations in the power trains of motor vehicles57US 4,739,866 ALuk Lamellen und Kupplungsbau GmbH · 1988
- Apparatus for transmitting force between rotary driving and driven units48US 5,377,796 ALuk Lamellen und Kupplungsbau GmbH · 1995
- Torque transmitting and torsion damping apparatus for use in motor vehicles42US 4,727,970 ALuk Lamellen und Kupplungsbau GmbH · 1988
- Vibration damping apparatus40US 5,042,632 ALuk Lamellen und Kupplungsbau GmbH · 1991
- Multi-disk friction device having forced lubrication on demand40US 6,244,407 B1BorgWarner Inc. · 2001