A61F 2002/5004
Operated by electro- or magnetorheological fluids
Official title: {operated by electro- or magnetorheological fluids}
A61F2002/5004 (Operated by electro- or magnetorheological fluids) appears on 88 US grants and 115 published applications in this corpus.
Search patents in A61F- Granted patents
- 88
- Published applications
- 115
- Assignees
- 31
- Inventors
- 131
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 2 |
| 2004 | 4 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 10 |
| 2007 | 2 | 5 |
| 2008 | 3 | 4 |
| 2009 | 1 | 4 |
| 2010 | 3 | 5 |
| 2011 | 2 | 4 |
| 2012 | 4 | 6 |
| 2013 | 3 | 5 |
| 2014 | 5 | 3 |
| 2015 | 3 | 6 |
| 2016 | 4 | 6 |
| 2017 | 3 | 4 |
| 2018 | 4 | 6 |
| 2019 | 9 | 4 |
| 2020 | 6 | 9 |
| 2021 | 7 | 2 |
| 2022 | 7 | 6 |
| 2023 | 1 | 6 |
| 2024 | 4 | 4 |
| 2025 | 6 | 3 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for controlling a damping modification15 Sep 2026US 12,734,048 B2Otto Bock Healthcare Products GmbH
- Prosthetic foot with removable flexible members23 Dec 2025US 12,502,288 B2Ossur Iceland Ehf
- Responsive biomechanical implants and devices14 Oct 2025US 12,440,340 B2Newtonoid Technologies, L.L.C.
- Orthopaedic joint and method for controlling same14 Oct 2025US 12,440,361 B2Otto Bock Health Care Products GmbH
- Magnetorheological fluid cell systems and methods23 Sep 2025US 12,422,016 B2Purdue Research Foundation
- Prosthetic foot with removable flexible members21 May 2026US 2026/0137529 A1Ossur Iceland Ehf
- Device and method for resistive torque control in a magnetorheological actuator using a recovery pulse23 Oct 2025US 2025/0325384 A1Ossur Iceland Ehf
- Responsive Biomechanical Implants and Devices28 Aug 2025US 2025/0268716 A1Newtonoid Technologies, L.L.C.
- Waterproof prosthetic knee and removable covering therefor10 Apr 2025US 2025/0114220 A1Ossur Iceland Ehf
- Locking prosthetic knee and core components therefor5 Dec 2024US 2024/0398588 A1Ossur Iceland Ehf
Most cited
By later US patents
- Self-adjusting prosthetic ankle apparatus247US 6,443,993 B12002
- Speed-adaptive and patient-adaptive prosthetic knee220US 6,610,101 B2Massachusetts Institute of Technology · 2003
- Electronically controlled prosthetic knee176US 6,764,520 B2Massachusetts Institute of Technology · 2004
- Electronically controlled prosthetic system157US 7,029,500 B22006
- Leg prosthesis with an artificial knee joint and method for controlling a leg prosthesis140US 6,755,870 B1Biedermann Motech GmbH · 2004