F16D 25/062
The clutch having friction surfaces
Official title: the clutch having friction surfaces
F16D25/062 (The clutch having friction surfaces) appears on 1,643 US grants and 1,454 published applications in this corpus.
Search patents in F16D- Granted patents
- 1,643
- Published applications
- 1,454
- Assignees
- 394
- Inventors
- 2,688
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 14 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 13 | 0 |
| 1982 | 8 | 0 |
| 1983 | 12 | 0 |
| 1984 | 18 | 0 |
| 1985 | 7 | 0 |
| 1986 | 16 | 0 |
| 1987 | 15 | 0 |
| 1988 | 11 | 0 |
| 1989 | 19 | 0 |
| 1990 | 22 | 0 |
| 1991 | 16 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 25 | 0 |
| 1998 | 14 | 0 |
| 1999 | 28 | 0 |
| 2000 | 24 | 0 |
| 2001 | 18 | 10 |
| 2002 | 33 | 20 |
| 2003 | 39 | 38 |
| 2004 | 29 | 38 |
| 2005 | 22 | 48 |
| 2006 | 34 | 61 |
| 2007 | 36 | 63 |
| 2008 | 26 | 74 |
| 2009 | 20 | 60 |
| 2010 | 36 | 60 |
| 2011 | 39 | 40 |
| 2012 | 49 | 61 |
| 2013 | 60 | 51 |
| 2014 | 62 | 73 |
| 2015 | 75 | 66 |
| 2016 | 62 | 75 |
| 2017 | 62 | 114 |
| 2018 | 91 | 118 |
| 2019 | 103 | 70 |
| 2020 | 108 | 90 |
| 2021 | 93 | 64 |
| 2022 | 76 | 69 |
| 2023 | 48 | 30 |
| 2024 | 39 | 33 |
| 2025 | 35 | 17 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric transmission with friction clutch disengagement device6 Oct 2026US 12,752,616 B2Dana Automotive Systems Group, LLC
- Rear wheel drive clutch control system of work vehicle15 Sep 2026US 12,734,879 B2Deere & Company
- Electric traction axle/beam15 Sep 2026US 12,736,115 B2Fpt Industrial S.P.A.
- Transmission, in particular for a motor vehicle15 Sep 2026US 12,736,124 B2Mercedes-Benz Group AG
- Compact multi-function clutch8 Sep 2026US 12,729,736 B2Pt Tech, LLC
- Electric transmission with friction clutch disengagement device1 Oct 2026US 2026/0296174 A1Dana Automotive Systems Group, LLC
- High-pressure hydraulic clutch cooling system for work vehicles30 Jul 2026US 2026/0218761 A1Deere & Company
- Friction disc, multiplate clutch, transmission, and work machine23 Jul 2026US 2026/0210412 A1Komatsu Ltd.
- Torque converter2 Jul 2026US 2026/0185591 A1Circle D Specialties, LLC
- Rear wheel drive clutch control system of work vehicle25 Jun 2026US 2026/0175678 A1Deere & Company
Most cited
By later US patents
- Power transmission system in a hybrid vehicle90US 5,562,565 AKabushikikaisha Equos Research · 1996
- Power transmission79US 4,732,253 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1988
- Tandem type hydraulic clutch system62US 5,662,198 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Pressure actuated multi-disk clutch58US 5,538,121 ADeere & Company · 1996
- Controlled cooling apparatus for torque transfer devices57US 5,495,927 AGeneral Motors Corporation · 1996