A61F 2/742
Low pressure systems
Official title: {Low pressure systems, e.g. vacuum pump}
A61F2/742 (Low pressure systems) appears on 91 US grants and 119 published applications in this corpus.
Search patents in A61F- Granted patents
- 91
- Published applications
- 119
- Assignees
- 39
- Inventors
- 122
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 6 |
| 2007 | 0 | 7 |
| 2008 | 2 | 6 |
| 2009 | 2 | 4 |
| 2010 | 3 | 8 |
| 2011 | 8 | 10 |
| 2012 | 7 | 7 |
| 2013 | 6 | 7 |
| 2014 | 3 | 5 |
| 2015 | 6 | 8 |
| 2016 | 10 | 10 |
| 2017 | 9 | 5 |
| 2018 | 3 | 8 |
| 2019 | 8 | 6 |
| 2020 | 4 | 4 |
| 2021 | 3 | 3 |
| 2022 | 4 | 4 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 4 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum pump systems for prosthetic limbs and methods of using the same23 Jun 2026US 12,661,243 B2Northwestern University
- Hydraulic actuator for orthotics or prosthetics and orthopaedic arrangement16 Jun 2026US 12,653,701 B2Otto Bock Healthcare Products GmbH
- Prosthetic device, system and method for increasing vacuum attachment2 Dec 2025US RE50,679 E1Ossur Hf
- Dynamic recruitment modulation in systems utilizing variable recruitment5 Aug 2025US 12,378,979 B2Adaract Technologies, Ltd.
- Liner system and method for applying a liner system25 Feb 2025US 12,232,986 B2Ottobock SE & Co. Kgaa
- Vacuum Pump Systems for Prosthetic Limbs and Methods of Using the Same1 Oct 2026US 2026/0294652 A1Northwestern University
- Pump mechanism30 Oct 2025US 2025/0332005 A1Ossur Iceland Ehf
- Pump system1 May 2025US 2025/0134679 A1Ossur Iceland Ehf
- Liner system and method for applying a liner system17 Apr 2025US 2025/0120828 A1
- Prosthesis socket vacuum suction structure13 Jun 2024US 2024/0189120 A1Ken Dall Enterprise Co., Ltd.
Most cited
By later US patents
- Method for donning or doffing an artificial limb136US 5,658,353 A1997
- Vacuum pump and shock absorber for artificial limb133US 6,645,253 B22003
- Vacuum-assisted prosthetic device78US 7,025,792 B22006
- Anti-slip attachment and drainage system for prosthetics58US 7,771,487 B22010
- Vacuum chamber socket system51US 7,632,315 B2Ossur Hf · 2009