F16D 13/648
For clutches with multiple lamellae
Official title: {for clutches with multiple lamellae}
F16D13/648 (For clutches with multiple lamellae) appears on 401 US grants and 395 published applications in this corpus.
Search patents in F16D- Granted patents
- 401
- Published applications
- 395
- Assignees
- 139
- Inventors
- 828
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 6 | 3 |
| 2002 | 6 | 11 |
| 2003 | 9 | 10 |
| 2004 | 9 | 21 |
| 2005 | 7 | 15 |
| 2006 | 11 | 11 |
| 2007 | 9 | 18 |
| 2008 | 7 | 18 |
| 2009 | 2 | 13 |
| 2010 | 15 | 9 |
| 2011 | 8 | 10 |
| 2012 | 12 | 11 |
| 2013 | 13 | 17 |
| 2014 | 8 | 22 |
| 2015 | 24 | 14 |
| 2016 | 9 | 21 |
| 2017 | 14 | 22 |
| 2018 | 20 | 29 |
| 2019 | 27 | 26 |
| 2020 | 23 | 31 |
| 2021 | 27 | 14 |
| 2022 | 14 | 21 |
| 2023 | 18 | 12 |
| 2024 | 11 | 8 |
| 2025 | 7 | 2 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Planetary transmission, in particular for a motor vehicle14 Apr 2026US 12,601,400 B2Mercedes-Benz Group AG
- Friction part for a frictionally working device13 Jan 2026US 12,523,263 B2Schaeffler Technologies AG & Co. KG
- Friction plate having a groove pattern formed by means of friction lining pads26 Aug 2025US 12,398,764 B2Schaeffler Technologies AG & Co. KG
- Method for manufacturing wet friction plate26 Aug 2025US 12,398,773 B2Kabushiki Kaisha F.C.C.
- Friction washer for limited slip differential clutch pack29 Apr 2025US 12,287,011 B1Schaeffler Technologies AG & Co. KG
- Friction disc, multiplate clutch, transmission, and work machine23 Jul 2026US 2026/0210412 A1Komatsu Ltd.
- Clutch pack reactor plate11 Jun 2026US 2026/0160304 A1Schaeffler Technologies AG & Co. KG
- Transmission device for a drive train of a motor vehicle, in particular of an automobile7 May 2026US 2026/0126085 A1Mercedes-Benz Group AG
- Clutch apparatus23 Apr 2026US 2026/0110339 A1Kabushiki Kaisha F.C.C.
- Clutch device16 Apr 2026US 2026/0104076 A1Exedy Corporation
Most cited
By later US patents
- Wet-type multiplate clutch80US 5,094,331 AHonda Giken Kogyo Kabushiki Kaisha · 1992
- Friction disc and method of making same69US 4,260,047 AGeneral Motors Corporation · 1981
- Friction disc with segmented core plate and facings66US 4,674,616 ABorg-Warner Corporation · 1987
- High capacity viscous pumping groove pattern for a wet clutch60US 5,101,953 ABorg-Warner Automotive Transmission & Engine Components Corporation · 1992
- Universal segmented friction clutch facing57US 5,460,255 ABorg-Warner Automotive, Inc. · 1995