F16D 13/12
Friction clutches: with an expansible band or coil co-operating with the inner
Official title: with an expansible band or coil co-operating with the inner surface of a drum or the like (F16D13/02 takes precedence; similar brakes F16D51/02)
F16D13/12 (Friction clutches: with an expansible band or coil co-operating with the inner) appears on 53 US grants and 49 published applications in this corpus.
Search patents in F16D- Granted patents
- 53
- Published applications
- 49
- Assignees
- 30
- Inventors
- 82
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 9 |
| 2015 | 5 | 4 |
| 2016 | 7 | 3 |
| 2017 | 5 | 5 |
| 2018 | 2 | 1 |
| 2019 | 4 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 4 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-lock braking system3 Feb 2026US 12,539,834 B2Hochschule für angewandte Wissenschaften München
- Rotary device with clutch with time-based slip and method of providing time-based slip for a rotary device11 Jun 2024US 12,005,779 B2Litens Automotive Partnership
- Stackable friction clutch coil for torque distribution system27 Feb 2024US D1,015,854 S1Design
- Lift system with lowering mechanism16 Jan 2024US 11,872,172 B2Liko Research & Development AB
- Method for installing a wrap spring12 Sep 2023US 11,754,129 B2Schaeffler Technologies AG & Co. KG
- Clutch assembly for a rear view device18 Jun 2026US 2026/0168539 A1Motherson Innovations Company Limited
- Anti-Lock Braking System11 Jul 2024US 2024/0227755 A9Hochschule für angewandte Wissenschaften München
- Anti-Lock Braking System25 Apr 2024US 2024/0132030 A1Hochschule für angewandte Wissenschaften München
- Compact, stackable friction clutch based torque distribution device, system, and methods of use25 May 2023US 2023/0160439 A1
- Rotary device with clutch with time-based slip and method of providing time-based slip for a rotary device23 Jun 2022US 2022/0194225 A1Litens Automotive Partnership
Most cited
By later US patents
- Crankshaft decoupler44US 7,624,852 B2Litens Automotive Partnership · 2009
- Bi-directional centrifugal clutch23US 5,503,261 AAutomotive Concepts Technology · 1996
- Variable ratio transmission elements for motor drive shafts21US 7,075,213 B2The Johns Hopkins University · 2006
- Decoupler assembly19US 7,954,613 B2Litens Automotive Partnership · 2011
- Torsion damping mechanism17US 4,703,840 AEaton Corporation · 1987