F16D 43/215
With flat friction surfaces
Official title: {with flat friction surfaces, e.g. discs}
F16D43/215 (With flat friction surfaces) appears on 129 US grants and 118 published applications in this corpus.
Search patents in F16D- Granted patents
- 129
- Published applications
- 118
- Assignees
- 102
- Inventors
- 216
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 2 |
| 2003 | 4 | 4 |
| 2004 | 1 | 2 |
| 2005 | 4 | 4 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 2 | 8 |
| 2013 | 4 | 7 |
| 2014 | 6 | 5 |
| 2015 | 6 | 4 |
| 2016 | 8 | 9 |
| 2017 | 3 | 8 |
| 2018 | 6 | 2 |
| 2019 | 8 | 7 |
| 2020 | 5 | 9 |
| 2021 | 4 | 6 |
| 2022 | 5 | 1 |
| 2023 | 6 | 8 |
| 2024 | 4 | 4 |
| 2025 | 4 | 6 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clutch device28 Jul 2026US 12,692,909 B2Kabushiki Kaisha F.C.C.
- Overload clutch with joint torque and disengagement sensing25 Nov 2025US 12,480,550 B2Universiteit Gent
- Power transmission apparatus16 Sep 2025US 12,416,339 B2Kabushiki Kaisha F.C.C.
- Winch equipped with a variable torque limiter26 Aug 2025US 12,398,025 B2Thales
- Power transmission apparatus26 Aug 2025US 12,398,767 B2Kabushiki Kaisha F.C.C.
- Overload clutch with a rotation axis20 Aug 2026US 2026/0243312 A1Schaeffler Technologies AG & Co. KG
- Torque limiter and power transmission device13 Aug 2026US 2026/0235169 A1Exedy Corporation
- Multi-plate compact friction clutch for actuators16 Jul 2026US 2026/0201927 A1Tesla, Inc.
- Clutch device4 Dec 2025US 2025/0369487 A1Kabushiki Kaisha F.C.C.
- Power transmission apparatus4 Dec 2025US 2025/0369489 A1Kabushiki Kaisha F.C.C.
Most cited
By later US patents
- Main clutch connecting system having a pilot clutch44US 5,464,084 AHonda Giken Kogyo Kabushiki Kaisha · 1995
- Differential unit41US 5,106,349 AGKN Automotive AG · 1992
- Differential gear device for vehicle32US 5,156,578 ATochigifujisangyo Kabushiki Kaisha · 1992
- Torque limiter with device indicating operation thereof29US 4,625,843 ALucas Industries public limited company · 1986
- Torque limiter27US 4,944,379 ADynamic Research and Development Corp. · 1990