F16F 15/139
Characterised by friction-damping means
Official title: characterised by friction-damping means {(F16F15/13128 takes precedence)}
F16F15/139 (Characterised by friction-damping means) appears on 270 US grants and 122 published applications in this corpus.
Search patents in F16F- Granted patents
- 270
- Published applications
- 122
- Assignees
- 64
- Inventors
- 323
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 17 | 0 |
| 1989 | 14 | 0 |
| 1990 | 14 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 13 | 0 |
| 2001 | 17 | 5 |
| 2002 | 6 | 9 |
| 2003 | 8 | 4 |
| 2004 | 4 | 7 |
| 2005 | 3 | 3 |
| 2006 | 3 | 12 |
| 2007 | 10 | 4 |
| 2008 | 5 | 2 |
| 2009 | 2 | 4 |
| 2010 | 4 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 3 |
| 2013 | 2 | 13 |
| 2014 | 5 | 6 |
| 2015 | 9 | 7 |
| 2016 | 9 | 5 |
| 2017 | 6 | 3 |
| 2018 | 4 | 5 |
| 2019 | 2 | 5 |
| 2020 | 1 | 4 |
| 2021 | 5 | 7 |
| 2022 | 2 | 3 |
| 2023 | 2 | 2 |
| 2024 | 5 | 3 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spring damper with two overload protection couplings, and powertrain7 Jul 2026US 12,674,502 B2Schaeffler Technologies AG & Co. KG
- Damper apparatus17 Feb 2026US 12,553,493 B2Exedy Corporation
- Damper device23 Sep 2025US 12,422,002 B2Exedy Corporation
- Damper device30 Jul 2024US 12,049,937 B2Exedy Corporation
- Power transmission device16 Jul 2024US 12,038,059 B2Exedy Corporation
- Power transmission device and torque limiter11 Jun 2026US 2026/0160315 A1Exedy Corporation
- Internal viscous rotational damping assembly18 Jul 2024US 2024/0240691 A1Riverhawk Company
- Spring damper with two overload protection couplings, and powertrain4 Apr 2024US 2024/0110612 A1Schaeffler Technologies AG & Co. KG
- Power transmission device1 Feb 2024US 2024/0035544 A1Exedy Corporation
- Damper apparatus5 Oct 2023US 2023/0313860 A1Exedy Corporation
Most cited
By later US patents
- Torque transmitting apparatus181US 5,622,245 ALuk Lamellen und Kupplungsbau GmbH · 1997
- Rotational torque transmission mechanism65US 4,274,524 AAisin Seiki Kabushiki Kaisha · 1981
- Apparatus for damping torsional vibrations in the power trains of motor vehicles57US 4,739,866 ALuk Lamellen und Kupplungsbau GmbH · 1988
- Clutch assembly for use with an internal combustion engine45US 4,220,233 AAisin Seiki Kabushiki Kaisha · 1980
- Torque transmitting and torsion damping apparatus for use in motor vehicles42US 4,727,970 ALuk Lamellen und Kupplungsbau GmbH · 1988