F16D 13/68
Attachments of plates or lamellae to their supports
Official title: Attachments of plates or lamellae to their supports {(one or more discs connected to the linings transmitting torque to one or more discs connected to the hub by helical springs in windows in the discs, i.e. rotary vibration dampers F16F15/12)}
F16D13/68 (Attachments of plates or lamellae to their supports) appears on 422 US grants and 362 published applications in this corpus.
Search patents in F16D- Granted patents
- 422
- Published applications
- 362
- Assignees
- 164
- Inventors
- 849
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 15 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 7 |
| 2003 | 6 | 6 |
| 2004 | 6 | 16 |
| 2005 | 9 | 3 |
| 2006 | 9 | 14 |
| 2007 | 4 | 14 |
| 2008 | 7 | 11 |
| 2009 | 8 | 10 |
| 2010 | 6 | 6 |
| 2011 | 9 | 12 |
| 2012 | 8 | 14 |
| 2013 | 9 | 16 |
| 2014 | 19 | 17 |
| 2015 | 17 | 21 |
| 2016 | 8 | 18 |
| 2017 | 20 | 41 |
| 2018 | 20 | 27 |
| 2019 | 33 | 24 |
| 2020 | 26 | 24 |
| 2021 | 21 | 17 |
| 2022 | 18 | 18 |
| 2023 | 15 | 10 |
| 2024 | 9 | 3 |
| 2025 | 6 | 5 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Retainer ring having a trapezium-shaped cross-section14 Jul 2026US 12,680,567 B1GM Global Technology Operations LLC
- Torsion damper and clutch disc2 Jun 2026US 12,644,499 B2Valeo Embrayages
- Clutch device19 May 2026US 12,631,221 B2Honda Motor Co., Ltd.
- Electrical drive module having mechanically coupled ring gear and clutch basket28 Apr 2026US 12,614,950 B2Fca US LLC
- Clutch assembly31 Mar 2026US 12,590,609 B2Clutch Industries Pty Ltd
- Clutch for electric vehicle24 Sep 2026US 2026/0287028 A1Hyundai Wia Corporation
- Clutch pack reactor plate11 Jun 2026US 2026/0160304 A1Schaeffler Technologies AG & Co. KG
- Power transmission device7 May 2026US 2026/0126083 A1Exedy Corporation
- Power transmission device7 May 2026US 2026/0126084 A1Exedy Corporation
- Transmission device for a drive train of a motor vehicle, in particular of an automobile7 May 2026US 2026/0126085 A1Mercedes-Benz Group AG
Most cited
By later US patents
- Vibration damper with three sets of springs in parallel38US 4,181,208 AGeneral Motors Corporation · 1980
- Retainer ring and splined member assembly37US 4,014,619 AKoppy Corporation · 1977
- Armature assembly for an electromagnetic clutch37US 4,493,407 AWarner Electric Brake & Clutch Company · 1985
- Carbon to carbon friction clutch36US 4,846,326 A1989
- Brake apparatus35US 4,585,096 AThe B. F. Goodrich Company · 1986