F16F 15/12
Using elastic members or friction-damping members
Official title: using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon ({F16F15/14} , F16F15/16 take precedence)
F16F15/12 (Using elastic members or friction-damping members) appears on 2,582 US grants and 1,781 published applications in this corpus.
Search patents in F16F- Granted patents
- 2,582
- Published applications
- 1,781
- Assignees
- 605
- Inventors
- 3,373
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 13 | 0 |
| 1980 | 18 | 0 |
| 1981 | 17 | 0 |
| 1982 | 9 | 0 |
| 1983 | 16 | 0 |
| 1984 | 34 | 0 |
| 1985 | 39 | 0 |
| 1986 | 59 | 0 |
| 1987 | 68 | 0 |
| 1988 | 45 | 0 |
| 1989 | 54 | 0 |
| 1990 | 49 | 0 |
| 1991 | 43 | 0 |
| 1992 | 54 | 0 |
| 1993 | 44 | 0 |
| 1994 | 39 | 0 |
| 1995 | 37 | 0 |
| 1996 | 50 | 0 |
| 1997 | 58 | 0 |
| 1998 | 90 | 0 |
| 1999 | 75 | 0 |
| 2000 | 83 | 0 |
| 2001 | 85 | 16 |
| 2002 | 53 | 48 |
| 2003 | 31 | 33 |
| 2004 | 28 | 42 |
| 2005 | 19 | 40 |
| 2006 | 24 | 40 |
| 2007 | 37 | 45 |
| 2008 | 24 | 42 |
| 2009 | 23 | 48 |
| 2010 | 29 | 52 |
| 2011 | 42 | 49 |
| 2012 | 43 | 68 |
| 2013 | 53 | 83 |
| 2014 | 58 | 88 |
| 2015 | 76 | 125 |
| 2016 | 85 | 117 |
| 2017 | 102 | 151 |
| 2018 | 122 | 134 |
| 2019 | 136 | 131 |
| 2020 | 103 | 114 |
| 2021 | 82 | 105 |
| 2022 | 79 | 72 |
| 2023 | 95 | 51 |
| 2024 | 60 | 32 |
| 2025 | 46 | 32 |
| 2026 | 16 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16F 15/121Using springs as elastic members1,396
- F16F 15/131The rotating system comprising two or more gyratory masses844
- F16F 15/129Characterised by friction-damping means428
- F16F 15/1207Characterised by the supporting arrangement of the damper unit98
- F16F 15/1204With a kinematic mechanism or gear system91
- F16F 15/1203Characterised by manufacturing85
- F16F 15/1202The damping action being at least partially controlled by centrifugal masses65
- F16F 15/1201For damping of axial or radial, i.e. non-torsional vibrations58
Recent patents
- Torque limiter, transmission system, and method for assembling said torque limiter29 Sep 2026US 12,747,761 B2Nanjing Valeo Clutch Co., Ltd.
- Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems22 Sep 2026US 12,743,014 B2Seescan, Inc.
- Stop for a rotary actuator8 Sep 2026US 12,729,745 B2Goodrich Actuation Systems Limited
- Dampening system for a gearbox on an airboat engine14 Jul 2026US 12,680,602 B1Simpson Quality Designs, Inc.
- Spring damper with two overload protection couplings, and powertrain7 Jul 2026US 12,674,502 B2Schaeffler Technologies AG & Co. KG
- Seismic restraint device for suspended elements8 Oct 2026US 2026/0309206 A1
- Damper device1 Oct 2026US 2026/0298309 A1Exedy Corporation
- Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump24 Sep 2026US 2026/0286953 A1BJ Energy Solutions, LLC
- Bush24 Sep 2026US 2026/0287041 A1Prospira Corporation
- Damper device10 Sep 2026US 2026/0266353 A1Aisin Corporation
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
- Torsional impulse damper for direct connection to universal joint drive shaft152US 4,483,684 ATwin Disc, Incorporated · 1984
- Variable length shaft assembly particularly for motor vehicle steering shafts108US 4,667,530 AEtablissement Supervis · 1987
- Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump85US 11,015,594 B2BJ Energy Solutions, LLC · 2021