F16D 27/00
Magnetically- or electrically- actuated clutches
Official title: Magnetically- {or electrically-} actuated clutches; Control or electric circuits therefor (clutches with magnetisable particles F16D37/02; {with electro-rheological fluids F16D37/008})
F16D27/00 (Magnetically- or electrically- actuated clutches) appears on 1,835 US grants and 1,556 published applications in this corpus.
Search patents in F16D- Granted patents
- 1,835
- Published applications
- 1,556
- Assignees
- 609
- Inventors
- 2,828
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 17 | 0 |
| 1979 | 7 | 0 |
| 1980 | 22 | 0 |
| 1981 | 22 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 18 | 0 |
| 1985 | 22 | 0 |
| 1986 | 24 | 0 |
| 1987 | 16 | 0 |
| 1988 | 15 | 0 |
| 1989 | 22 | 0 |
| 1990 | 27 | 0 |
| 1991 | 21 | 0 |
| 1992 | 33 | 0 |
| 1993 | 13 | 0 |
| 1994 | 22 | 0 |
| 1995 | 18 | 0 |
| 1996 | 19 | 0 |
| 1997 | 17 | 0 |
| 1998 | 23 | 0 |
| 1999 | 46 | 0 |
| 2000 | 30 | 0 |
| 2001 | 28 | 9 |
| 2002 | 27 | 47 |
| 2003 | 55 | 56 |
| 2004 | 45 | 55 |
| 2005 | 35 | 54 |
| 2006 | 39 | 57 |
| 2007 | 23 | 50 |
| 2008 | 23 | 43 |
| 2009 | 28 | 51 |
| 2010 | 39 | 54 |
| 2011 | 33 | 46 |
| 2012 | 38 | 50 |
| 2013 | 48 | 62 |
| 2014 | 57 | 68 |
| 2015 | 73 | 99 |
| 2016 | 83 | 91 |
| 2017 | 71 | 97 |
| 2018 | 72 | 88 |
| 2019 | 93 | 121 |
| 2020 | 84 | 70 |
| 2021 | 86 | 64 |
| 2022 | 75 | 53 |
| 2023 | 59 | 56 |
| 2024 | 63 | 50 |
| 2025 | 47 | 33 |
| 2026 | 22 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16D 27/10Magnetically- or electrically- actuated clutches: with an electromagnet not rotating with a1,371
- F16D 27/004Magnetically- or electrically- actuated clutches: with permanent magnets combined with electromagnets349
- F16D 27/14Details297
- F16D 27/02Magnetically- or electrically- actuated clutches: with electromagnets incorporated in the clutch, i.e.296
- F16D 2027/008Details relating to the magnetic circuit, or to the shape of theIndexing code251
- F16D 27/01Magnetically- or electrically- actuated clutches: with permanent magnets115
- F16D 2027/007Bias of an armature of an electromagnetic clutch by flexing of substantiallyIndexing code89
- F16D 27/12Clutch systems with a plurality of electro-magnetically-actuated clutches78
All 11 subgroupsShow fewer
- F16D 2027/002Electric or electronic circuits relating to actuation of electromagnetic clutchesIndexing code70
- F16D 2027/001Means for electric connection of the coils of the electromagnetic clutchesIndexing code59
- F16D 2027/005Details relating to the internal construction of coils or to clutches havingIndexing code57
Recent patents
- Ultra-short electromechanical servo mechanism for mechanical fault self-recovery29 Sep 2026US 12,747,779 B2Beijing Insitute of Preicsion Mechatronics and Controls
- Door armrest of vehicle22 Sep 2026US 12,741,575 B2Hyundai Motor Company
- Actuator assembly for use with a clutch22 Sep 2026US 12,742,481 B2Means Industries, Inc.
- Integrated wheel end system8 Sep 2026US 12,729,725 B2Warn Automotive, LLC
- Electromagnetically shiftable positive engagement clutch1 Sep 2026US 12,723,628 B2Hoerbiger Antriebstechnik Holding GmbH
- Electric machine comprising a clutch assembly8 Oct 2026US 2026/0309086 A1Unison Industries, LLC
- Vehicle driving apparatus and vehicle8 Oct 2026US 2026/0309220 A1Qi Automotive Co., Ltd.
- Electromagnetic clutch1 Oct 2026US 2026/0298297 A1Jtekt Corporation
- Radial freewheel clutches and pawls24 Sep 2026US 2026/0287031 A1Means Industries, Inc.
- Shift system and method for power transmission assembly24 Sep 2026US 2026/0287032 A1Means Industries, Inc.
Most cited
By later US patents
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- Power transmitting assembly1,127US 5,465,819 ABorg-Warner Automotive, Inc. · 1995
- Surgical instruments comprising a system for articulation and rotation compensation852US 10,772,651 B2Ethicon, Inc. · 2020
- Reactive algorithm for surgical system643US 10,932,806 B2Ethicon, Inc. · 2021
- Surgical dissectors and manufacturing techniques587US 10,959,744 B2Ethicon, Inc. · 2021