E05Y 2201/258
Magnetic or electromagnetic friction
E05Y2201/258 (Magnetic or electromagnetic friction) appears on 25 US grants and 36 published applications in this corpus.
Search patents in E05Y- Granted patents
- 25
- Published applications
- 36
- Assignees
- 33
- Inventors
- 81
- Latest grant
- 1 Sep 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 7 |
| 2021 | 1 | 4 |
| 2022 | 4 | 2 |
| 2023 | 4 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for controlling the speed of movement of a sliding door and associated aircraft1 Sep 2026US 12,723,457 B2Safran Electronics & Defense
- Integrated operating apparatus for different type gates9 Dec 2025US 12,492,590 B2Hyundai Motor Company
- Arrangement for controlling movements of access member, access member, frame, access member system and method7 Jan 2025US 12,188,290 B2Assa Abloy AB
- Human-hybrid powertrain for a vehicle or moving equipment using magnetorheological fluid clutch apparatus23 Jan 2024US 11,878,767 B2Exonetik Inc.
- Vehicle door checker using power drive unit and DC motor cogging effect28 Nov 2023US 11,831,268 B2Multimatic Inc.
- Adaptive electromagnetic damping for storage compartment16 Apr 2026US 2026/0103926 A1Tesla, Inc.
- Reinforced School Door12 Feb 2026US 2026/0043285 A1EF-5 Builders Inc.
- Door opening and closing apparatus for vehicle5 Feb 2026US 2026/0035981 A1SL Corporation
- Electro-magnetic damper for manual operated tailgate18 Dec 2025US 2025/0382836 A1Honda Motor Co., Ltd.
- Shear thickening fluid enabled object movement control mechanism21 Aug 2025US 2025/0263962 A1Moshun, LLC
Most cited
By later US patents
- Semiautomatic sliding door device with tension spring33US 4,301,623 ANippon Door Check Mfg. Co., Ltd. · 1981
- Speed regulator for automatically closing slide door24US 6,633,094 B1Howa Co., Ltd. · 2003
- Magnetic gate latch19US 7,942,458 B22011
- Braking system for powered window covering16US 6,794,778 B1Harmonic Design, Inc. · 2004
- Input responsive damper11US 5,135,083 ASankyo Seiki Mfg. Co., Ltd. · 1992