F16D 27/105
With a helical band or equivalent member co-operating with a cylindrical coupling
Official title: with a helical band or equivalent member co-operating with a cylindrical coupling surface
F16D27/105 (With a helical band or equivalent member co-operating with a cylindrical coupling) appears on 112 US grants and 48 published applications in this corpus.
Search patents in F16D- Granted patents
- 112
- Published applications
- 48
- Assignees
- 56
- Inventors
- 156
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 4 | 10 |
| 2014 | 4 | 5 |
| 2015 | 9 | 2 |
| 2016 | 5 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 5 | 2 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrostatic clutch4 Nov 2025US 12,463,563 B2U. S. Army Research Laboratory
- Pulley for a motor vehicle engine2 Apr 2024US 11,946,512 B2Dayco Europe S.R.L.
- Clutch system and method of operating an accessory shaft6 Feb 2024US 11,892,038 B2Litens Automotive Partnership
- Energy efficient A/C compressor clutch21 Jun 2022US 11,365,769 B2Litens Automotive Partnership
- Rotary clutch assembly with actuator having threadingly engaged two-component armature19 Oct 2021US 11,149,798 B2Litens Automotive Partnership
- Vehicle driving apparatus and vehicle8 Oct 2026US 2026/0309220 A1Qi Automotive Co., Ltd.
- Electrostatic Clutch17 Apr 2025US 2025/0125746 A1U. S. Army Research Laboratory
- Clutch/brake assembly12 Dec 2024US 2024/0410428 A1Microtecnica S.R.L.
- Pulley for a motor vehicle engine16 Mar 2023US 2023/0084509 A1Dayco Europe S.R.L.
- Clutch system and method of operating an accessory shaft29 Sep 2022US 2022/0307414 A1Litens Automotive Partnership
Most cited
By later US patents
- Fail safe valve actuator86US 5,195,721 AAVA International Corporation · 1993
- Actuator assembly41US 5,983,743 ADresser Industries, Inc. · 1999
- Electromagnetic spring clutch38US 4,460,076 AMatsushita Electric Industrial Co., Ltd. · 1984
- Wrap spring coupling with improved spring34US 4,321,992 AWarner Electric Brake & Clutch Company · 1982
- Rorque limiting device31US 5,295,907 AAVA International Corporation · 1994