Y10T 74/2121
Flywheel, motion smoothing-type
Y10T74/2121 (Flywheel, motion smoothing-type) appears on 732 US grants and 523 published applications in this corpus.
Search patents in Y10T- Granted patents
- 732
- Published applications
- 523
- Assignees
- 343
- Inventors
- 1,280
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 12 | 0 |
| 1980 | 10 | 0 |
| 1981 | 14 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 20 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 18 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 9 | 0 |
| 1998 | 19 | 0 |
| 1999 | 25 | 0 |
| 2000 | 25 | 0 |
| 2001 | 13 | 5 |
| 2002 | 16 | 23 |
| 2003 | 14 | 25 |
| 2004 | 15 | 22 |
| 2005 | 11 | 38 |
| 2006 | 23 | 27 |
| 2007 | 21 | 23 |
| 2008 | 16 | 27 |
| 2009 | 17 | 27 |
| 2010 | 19 | 27 |
| 2011 | 17 | 27 |
| 2012 | 18 | 39 |
| 2013 | 30 | 56 |
| 2014 | 55 | 65 |
| 2015 | 41 | 34 |
| 2016 | 24 | 14 |
| 2017 | 22 | 9 |
| 2018 | 16 | 12 |
| 2019 | 10 | 5 |
| 2020 | 10 | 7 |
| 2021 | 5 | 2 |
| 2022 | 4 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 3 |
| 2025 | 4 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- Y10T 74/2131Damping by absorbing vibration force [via rubber, elastomeric material, etc.]230
- Y10T 74/2128Damping using swinging masses152
- Y10T 74/2122With fluid balancing means135
- Y10T 74/2132Structural detail111
- Y10T 74/213Damping by increasing frictional force51
- Y10T 74/2127With electrical or magnetic damping45
Recent patents
- Torsional vibration damper comprising a friction device3 Jun 2025US 12,320,393 B2Schaeffler Technologies AG & Co. KG
- Segmented centrifugal pendulum absorber mass carrier11 Feb 2025US 12,222,016 B2Schaeffler Technologies AG & Co. KG
- Balancing device for rotating pieces28 Jan 2025US 12,208,485 B2Balance Systems S.R.L.
- Image forming apparatus including plurality of stations providing improved access for maintenance of the image forming apparatus28 Jan 2025US 12,210,309 B2Canon Kabushiki Kaisha
- Pendulum rocker damper with a rotation axis10 Dec 2024US 12,162,327 B2Schaeffler Technologies AG & Co. KG
- Centrifugal force pendulum comprising radially internal stop damper24 Jul 2025US 2025/0237289 A1Schaeffler Technologies AG & Co. KG
- Pendulum rocker damper with an axis of rotation for a drive train13 Feb 2025US 2025/0052283 A1Schaeffler Technologies AG & Co. KG
- Image forming apparatus including plurality of stations11 Jul 2024US 2024/0231268 A9Canon Kabushiki Kaisha
- Image forming apparatus including plurality of stations25 Apr 2024US 2024/0134308 A1Canon Kabushiki Kaisha
- Pendulum rocker damper with a rotation axis4 Apr 2024US 2024/0109392 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Flywheel252US 5,247,853 AProform Fitness Products, Inc. · 1993
- Active torsional vibration damper210US 5,678,460 AStahl International B.V. · 1997
- Active torsional vibration damper209US 5,553,514 AStahl International B.V. · 1996
- Enclosed flywheel138US 5,203,826 AProform Fitness Products, Inc. · 1993
- Combination fan-flywheel-pulley assembly and method of forming92US 6,695,581 B2McMillan Electric Company · 2004