A61F 2002/5078
2-d spiral springs
Official title: {2-D spiral springs}
A61F2002/5078 (2-d spiral springs) appears on 9 US grants and 11 published applications in this corpus.
Search patents in A61F- Granted patents
- 9
- Published applications
- 11
- Assignees
- 12
- Inventors
- 29
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Robotic prosthetic leg and method for driving robotic prosthetic leg8 Jul 2025US 12,350,176 B2Korea Institute of Machinery & Materials
- Prosthetic elbow with adjustable counterbalance mechanism15 Feb 2022US 11,246,720 B2Hugh Steeper Limited
- Pivot-flex foot8 Jun 2021US 11,026,814 B2University of Washington
- Adapter for self-alignment in 3 dimensional planes for passive prosthetics8 Dec 2020US 10,857,008 B2Impulse Technology Ltd.
- Bi-modal ankle-foot device1 Jul 2014US 8,764,850 B2Northwestern University
- A mechanical finger for an artificial wrist and a mechanical finger actuator24 Jul 2025US 2025/0235329 A1Esper Inc.
- Orthopedic joint device3 Oct 2024US 2024/0325184 A1Otto Bock Healthcare Products GmbH
- Robotic prosthetic leg and method for driving robotic prosthetic leg12 May 2022US 2022/0142793 A1Korea Institute of Machinery & Materials
- Prosthetic elbow with adjustable counterbalance mechanism27 May 2021US 2021/0154026 A1College Park Industries, Inc.
- Adapter for self-alignment in 3 dimensional planes for passive prosthetics10 Sep 2020US 2020/0281747 A1Impulse Technology Ltd.
Most cited
By later US patents
- Systems and methods of controlling pressure within a prosthetic knee109US 7,691,154 B2Ossur Hf · 2010
- Dynamic seals for a prosthetic knee106US 7,455,696 B2Ossur Hf · 2008
- Orthopedic device57US 8,202,325 B2Otto Bock Healthcare GmbH · 2012
- Bi-modal ankle-foot device55US 8,764,850 B2Northwestern University · 2014
- Forearm lifter13US 5,549,712 AOtto Bock Orthopaedische Industrie Besitz- und Verwaltungs-Kommanditgesel lschaft · 1996