F16D 2027/007
Bias of an armature of an electromagnetic clutch by flexing of substantially
Official title: {Bias of an armature of an electromagnetic clutch by flexing of substantially flat springs, e.g. leaf springs}
F16D2027/007 (Bias of an armature of an electromagnetic clutch by flexing of substantially) appears on 89 US grants and 72 published applications in this corpus.
Search patents in F16D- Granted patents
- 89
- Published applications
- 72
- Assignees
- 41
- Inventors
- 167
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 2 |
| 2004 | 4 | 6 |
| 2005 | 0 | 5 |
| 2006 | 4 | 9 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 4 |
| 2010 | 4 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 7 |
| 2015 | 3 | 1 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 4 | 5 |
| 2020 | 1 | 4 |
| 2021 | 5 | 5 |
| 2022 | 5 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electromagnetic clutch and method of closing and opening an electromagnetic clutch6 Jan 2026US 12,516,703 B2Hoerbiger Antriebstechnik Holding GmbH
- Electromagnetic clutch comprising a selector sleeve2 Dec 2025US 12,486,876 B2Hoerbiger Antriebstechnik Holding GmbH
- Flexible armature plate for an electro-magnetic overrunning clutch1 Oct 2024US 12,104,659 B2The Hilliard Corporation
- Torque limiter27 Feb 2024US 11,913,502 B2Ratier-Figeac SAS
- Torque limiter25 Apr 2023US 11,635,112 B2Ratier-Figeac SAS
- Actuation assembly and actuator for a power train20 Feb 2025US 2025/0062059 A1Valeo Embrayages
- Electromagnetic clutch comprising a selector sleeve14 Nov 2024US 2024/0376941 A1Hoerbiger Antriebstechnik Holding GmbH
- Electromagnetic clutch and method of closing and opening an electromagnetic clutch24 Oct 2024US 2024/0352979 A1Hoerbiger Antriebstechnik Holding GmbH
- Flexible armature plate for an electro-magnetic overrunning clutch18 Apr 2024US 2024/0125361 A1The Hilliard Corporation
- Torque limiter20 Jul 2023US 2023/0228301 A1Ratier-Figeac SAS
Most cited
By later US patents
- Drive hub with curved springs and drive keys for electro-magnetic clutch31US 4,296,851 APitts Industries, Inc. · 1981
- Electromagnetic clutch31US 5,046,594 ASanden Corporation · 1991
- Armature assembly for electromagnetic coupling28US 4,187,939 AWarner Electric Brake & Clutch Company · 1980
- Armature assembly for electromagnetic coupling27US 4,445,606 AWarner Electric Brake & Clutch Company · 1984
- Terminal connection structure of electromagnetic coupling device24US 5,138,293 AOgura Clutch Co., Ltd. · 1992