A61F 2002/6845
Clutches
Official title: {Clutches}
A61F2002/6845 (Clutches) appears on 82 US grants and 120 published applications in this corpus.
Search patents in A61F- Granted patents
- 82
- Published applications
- 120
- Assignees
- 49
- Inventors
- 182
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 4 | 2 |
| 2014 | 3 | 5 |
| 2015 | 3 | 10 |
| 2016 | 5 | 10 |
| 2017 | 6 | 7 |
| 2018 | 6 | 13 |
| 2019 | 12 | 11 |
| 2020 | 12 | 10 |
| 2021 | 5 | 7 |
| 2022 | 7 | 6 |
| 2023 | 8 | 6 |
| 2024 | 4 | 12 |
| 2025 | 4 | 4 |
| 2026 | 1 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Exoskeleton, orthosis, wearable device or mobile robots using magnetorheological fluid clutch apparatus24 Feb 2026US 12,558,239 B2Exonetik Inc.
- Smart knee joint for a human lower limb exoskeleton, a prosthesis and an orthosis16 Sep 2025US 12,414,866 B2The Chinese University of Hong Kong
- Joint device22 Apr 2025US 12,279,978 B2Otto Bock Healthcare Products GmbH
- Joint device1 Apr 2025US 12,263,101 B2Honda Motor Co., Ltd.
- Arm prosthetic device7 Jan 2025US 12,186,211 B2
- Power transmission device and joint device24 Sep 2026US 2026/0287046 A1Honda Motor Co., Ltd.
- Improved mechanical joints that include a compact, bypassable, single-spring or nested-spring wrap-spring clutch20 Aug 2026US 2026/0240666 A1
- Joint device, knee joint device, joint device control method, and non-transitory computer-readable storage medium19 Mar 2026US 2026/0076810 A1Honda Motor Co., Ltd.
- Elastic energy storing for prosthesis or orthosis3 Apr 2025US 2025/0107906 A1Université Catholique De Louvain
- Change-speed gearbox for orthopedic devices6 Mar 2025US 2025/0073051 A1Otto Bock Healthcare Products GmbH
Most cited
By later US patents
- Variable mechanical-impedance artificial legs69US 8,551,184 B1iWalk, Inc. · 2013
- Bi-modal ankle-foot device55US 8,764,850 B2Northwestern University · 2014
- Passive ankle-foot prosthesis and orthosis capable of automatic adaptation to sloped walking surfaces and method of use37US 8,480,760 B2Northwestern University · 2013
- Equilibrium-point prosthetic and orthotic ankle-foot systems and devices37US 8,597,369 B2Northwestern University · 2013
- Clutch module for prosthesis29US 8,257,446 B2Otto Bock Healthcare GmbH · 2012