A61F 2/741
Using powered actuators
Official title: {using powered actuators, e.g. stepper motors or solenoids}
A61F2/741 (Using powered actuators) appears on 129 US grants and 169 published applications in this corpus.
Search patents in A61F- Granted patents
- 129
- Published applications
- 169
- Assignees
- 67
- Inventors
- 255
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 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 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 9 |
| 2007 | 1 | 10 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 6 | 11 |
| 2011 | 7 | 4 |
| 2012 | 3 | 6 |
| 2013 | 5 | 8 |
| 2014 | 8 | 6 |
| 2015 | 11 | 18 |
| 2016 | 10 | 7 |
| 2017 | 8 | 5 |
| 2018 | 6 | 10 |
| 2019 | 10 | 11 |
| 2020 | 4 | 12 |
| 2021 | 11 | 9 |
| 2022 | 7 | 10 |
| 2023 | 7 | 7 |
| 2024 | 6 | 9 |
| 2025 | 4 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 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.
- Robotic ankle6 Jan 2026US 12,514,719 B2Fondazione Istituto Italiano Di Tecnologia
- Scalable microfluidic double-helix weave architecture for 3D-printable biomimetic artificial muscles18 Nov 2025US 12,472,080 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Prosthetic device11 Nov 2025US 12,465,501 B2Ottobock SE & Co. Kgaa
- Dynamic recruitment modulation in systems utilizing variable recruitment5 Aug 2025US 12,378,979 B2Adaract Technologies, Ltd.
- Method and apparatus for enhancing operation of leg prosthesis19 Feb 2026US 2026/0047945 A1
- Prosthetic socket with inflatable bladders and automated bladder inflation and pressure control5 Jun 2025US 2025/0177172 A1
- Method for controlling an orthopedic joint20 Mar 2025US 2025/0090351 A1Ottobock SE & Co. Kgaa
- Artificial knee joint, and method for controlling same13 Feb 2025US 2025/0049590 A1Ottobock SE & Co. Kgaa
- Microprocessor controlled prosthetic ankle system for footwear and terrain adaptation30 Jan 2025US 2025/0032277 A1Proteor USA, LLC
Most cited
By later US patents
- Prosthetic appliance140US 5,108,456 A1992
- Artificial joints using agonist-antagonist actuators129US 8,870,967 B2Massachusetts Institute of Technology · 2014
- Ankle block with spring inserts117US 6,206,934 B1Flex-Foot, Inc. · 2001
- Actuated prosthesis for amputees117US 7,736,394 B2Victhom Human Bionics Inc. · 2010
- Foot prosthesis having cushioned ankle114US 7,063,727 B2Ossur Hf · 2006