F16D 27/04
With axially-movable friction surfaces
Official title: with axially-movable friction surfaces
F16D27/04 (With axially-movable friction surfaces) appears on 115 US grants and 125 published applications in this corpus.
Search patents in F16D- Granted patents
- 115
- Published applications
- 125
- Assignees
- 73
- Inventors
- 287
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 5 |
| 2003 | 4 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 10 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 5 |
| 2012 | 2 | 3 |
| 2013 | 1 | 5 |
| 2014 | 6 | 10 |
| 2015 | 4 | 9 |
| 2016 | 11 | 10 |
| 2017 | 9 | 11 |
| 2018 | 9 | 10 |
| 2019 | 11 | 14 |
| 2020 | 5 | 6 |
| 2021 | 10 | 7 |
| 2022 | 4 | 3 |
| 2023 | 6 | 5 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Actuation mechanism for coupling device16 Sep 2025US 12,416,338 B2Means Industries, Inc.
- Rotary power transmission device with actuator retention feature8 Oct 2024US 12,110,929 B2GKN Automotive AG
- Electromagnetic brake or clutch14 May 2024US 11,982,323 B2Keb Automation KG
- System for controlling clutch23 Apr 2024US 11,965,565 B2GKN Automotive AG
- Single-handedly operable wheelchair24 Oct 2023US 11,793,692 B2Research Institute for Life Space, LLC
- Resilient dust cover for fan clutch assembly30 Jul 2026US 2026/0218760 A1Volvo Truck Corporation
- Electromagnetic brake or clutch18 Jun 2026US 2026/0168546 A1Kendrion (Villingen) GmbH
- Electromagnetic excitation system, electromagnetic brake or clutch and method for producing an electromagnetic excitation system11 Jun 2026US 2026/0162863 A1Kendrion (Villingen) GmbH
- Friction clutch of a multispeed transmission and electric drive of a vehicle24 Apr 2025US 2025/0129823 A1Hoerbiger Antriebstechnik Holding GmbH
- Clutch/brake assembly12 Dec 2024US 2024/0410428 A1Microtecnica S.R.L.
Most cited
By later US patents
- Air-moving assembly with auxiliary turbine drive44US 9,504,188 B1International Business Machines Corporation · 2016
- Method of forming a coupling disc for an electromagnetic coupling22US 4,685,202 ADana Corporation · 1987
- Torque and air gap adjustment mechanism for spring engaged brake or clutch22US 4,982,825 ASepal · 1991
- Belt transmission and clutch for vehicle accessories19US 5,909,075 A1999
- Roller spline14US 4,033,438 AEaton Corporation · 1977