F16D 57/002
Comprising a medium with electrically or magnetically controlled internal friction
Official title: {comprising a medium with electrically or magnetically controlled internal friction, e.g. electrorheological fluid, magnetic powder}
F16D57/002 (Comprising a medium with electrically or magnetically controlled internal friction) appears on 135 US grants and 147 published applications in this corpus.
Search patents in F16D- Granted patents
- 135
- Published applications
- 147
- Assignees
- 71
- Inventors
- 212
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 6 |
| 2003 | 4 | 4 |
| 2004 | 3 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 2 | 5 |
| 2014 | 4 | 1 |
| 2015 | 5 | 11 |
| 2016 | 6 | 5 |
| 2017 | 1 | 3 |
| 2018 | 2 | 11 |
| 2019 | 9 | 9 |
| 2020 | 11 | 16 |
| 2021 | 14 | 9 |
| 2022 | 7 | 9 |
| 2023 | 6 | 18 |
| 2024 | 6 | 9 |
| 2025 | 9 | 5 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Training device and training system21 Jul 2026US 12,685,901 B2Kabushiki Kaisha Atsumitec
- Variable braking systems and devices30 Jun 2026US 12,668,439 B2Goodrich Corporation
- Steering device with a magnetorheological braking device and method for operating a steering device30 Jun 2026US 12,669,153 B2INVENTUS Engineering GmbH
- Force application device for an active mini-stick and mechanical backup control method2 Jun 2026US 12,645,245 B2Safran Electronics & Defense
- Haptic control device with a magnetorheological braking device24 Feb 2026US 12,560,209 B2INVENTUS Engineering GmbH
- Vehicle driving simulator30 Jul 2026US 2026/0221049 A1
- Device and method for controlling key units28 May 2026US 2026/0148720 A1INVENTUS Engineering GmbH
- Magnetorheological Fluid And Braking Device2 Apr 2026US 2026/0094745 A1Seiko Epson Corporation
- Magnetorheological Fluid And Braking Device2 Apr 2026US 2026/0094746 A1Seiko Epson Corporation
- Sleeve arrangement for a mobile device and method26 Feb 2026US 2026/0056623 A1INVENTUS Engineering GmbH
Most cited
By later US patents
- Variable resistance exercise device236US 6,027,429 ANordicTrack, Inc. · 2000
- Pump drivetrain damper system and control systems and methods for same206US 10,316,832 B2S,P.M. Flow Control, Inc. · 2019
- Variable resistance exercise device180US 5,409,435 A1995
- Variable resistance exercise device137US 5,762,584 ANordicTrack, Inc. · 1998
- Electrorheological fluid force transmission and conversion device122US 4,896,754 ALord Corporation · 1990