A61F 2/744
Vane- or curved-cylinder type actuators
Official title: {Vane- or curved-cylinder type actuators, e.g. actuators using rotary pistons}
A61F2/744 (Vane- or curved-cylinder type actuators) appears on 31 US grants and 47 published applications in this corpus.
Search patents in A61F- Granted patents
- 31
- Published applications
- 47
- Assignees
- 28
- Inventors
- 105
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 3 |
| 2014 | 3 | 2 |
| 2015 | 3 | 3 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 6 |
| 2022 | 3 | 5 |
| 2023 | 3 | 5 |
| 2024 | 1 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Prosthetic knee joint, prosthetic knee joint power generating method, and tangible computer-readable storage medium storing program1 Sep 2026US 12,721,738 B2Nabtesco Corporation
- Prosthetic foot/ankle system with automatic alignment7 Jan 2025US 12,186,212 B2Motion Control, Inc.
- Orthopedic joint27 Feb 2024US 11,911,296 B2Ottobock SE & Co. Kgaa
- Valve and prosthetic knee joint having such a valve31 Oct 2023US 11,801,152 B2Ottobock SE & Co. Kgaa
- Prosthetic feet having heel height adjustability3 Oct 2023US 11,771,572 B2Ossur Iceland Ehf
- Prosthetic foot and ankle system with damper13 Nov 2025US 2025/0345188 A1Motion Control, Inc.
- Joint6 Feb 2025US 2025/0041080 A1Ottobock SE & Co. Kgaa
- Joint and method for setting a starting position6 Feb 2025US 2025/0041081 A1Ottobock SE & Co. Kgaa
- Prosthetic feet having heel height adjustability8 Feb 2024US 2024/0041621 A1Ossur Iceland Ehf
- Valve and prosthetic knee joint having such a valve11 Jan 2024US 2024/0009005 A1Ottobock SE & Co. Kgaa
Most cited
By later US patents
- Brake-action knee joint110US 5,704,945 AOtto Bock Orthopaedische Industrie Besitzund Verwaltungs-Kommanditgesells chaft · 1998
- Device and system for prosthetic knees and ankles63US 7,942,935 B2Motion Control, Inc. · 2011
- Prosthetic knee and rotary hydraulic chamber53US 7,066,964 B2Hosmer/Dorrance Corporation · 2006
- Energy storing foot plate43US 8,888,864 B2Motion Control, Inc. · 2014
- Modeling and desired control of an energy-storing prosthetic knee37US 8,920,517 B2The Cleveland Clinic Foundation · 2014