F16F 15/131
The rotating system comprising two or more gyratory masses
Official title: the rotating system comprising two or more gyratory masses
F16F15/131 (The rotating system comprising two or more gyratory masses) appears on 844 US grants and 554 published applications in this corpus.
Search patents in F16F- Granted patents
- 844
- Published applications
- 554
- Assignees
- 182
- Inventors
- 1,104
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 21 | 0 |
| 1989 | 22 | 0 |
| 1990 | 18 | 0 |
| 1991 | 18 | 0 |
| 1992 | 27 | 0 |
| 1993 | 17 | 0 |
| 1994 | 23 | 0 |
| 1995 | 18 | 0 |
| 1996 | 29 | 0 |
| 1997 | 28 | 0 |
| 1998 | 41 | 0 |
| 1999 | 35 | 0 |
| 2000 | 43 | 0 |
| 2001 | 41 | 9 |
| 2002 | 29 | 18 |
| 2003 | 17 | 14 |
| 2004 | 7 | 17 |
| 2005 | 6 | 16 |
| 2006 | 7 | 19 |
| 2007 | 19 | 11 |
| 2008 | 14 | 9 |
| 2009 | 8 | 6 |
| 2010 | 6 | 13 |
| 2011 | 6 | 15 |
| 2012 | 9 | 12 |
| 2013 | 12 | 28 |
| 2014 | 17 | 30 |
| 2015 | 22 | 55 |
| 2016 | 30 | 38 |
| 2017 | 43 | 44 |
| 2018 | 38 | 47 |
| 2019 | 36 | 50 |
| 2020 | 30 | 33 |
| 2021 | 20 | 30 |
| 2022 | 21 | 11 |
| 2023 | 20 | 14 |
| 2024 | 17 | 6 |
| 2025 | 7 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16F 15/133Using springs as elastic members507
- F16F 15/139Characterised by friction-damping means270
- F16F 15/13164Characterised by the supporting arrangement of the damper unit185
- F16F 15/13142Characterised by the method of assembly, production or treatment149
- F16F 15/13128The damping action being at least partially controlled by centrifugal masses89
- F16F 15/13157With a kinematic mechanism or gear system65
- F16F 15/13114Characterised by modifications for auxiliary purposes42
- F16F 15/13121Characterised by clutch arrangements37
All 9 subgroupsShow fewer
Recent patents
- Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems22 Sep 2026US 12,743,014 B2Seescan, Inc.
- 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 device and method of assembling same18 Nov 2025US 12,473,961 B2Exedy Corporation
- Crankshaft arrangement with torsional vibration damper21 Oct 2025US 12,449,016 B2
- Power transmission device and torque limiter11 Jun 2026US 2026/0160315 A1Exedy Corporation
- 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
Most cited
By later US patents
- Torsional damper having variable bypass clutch with centrifugal release mechanism328US 6,854,580 B2BorgWarner Inc. · 2005
- 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
- Apparatus for transmitting force between rotary driving and driven units48US 5,377,796 ALuk Lamellen und Kupplungsbau GmbH · 1995