A61F 2002/507
Roller bearings
Official title: {Roller bearings}
A61F2002/507 (Roller bearings) appears on 32 US grants and 35 published applications in this corpus.
Search patents in A61F- Granted patents
- 32
- Published applications
- 35
- Assignees
- 20
- Inventors
- 47
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 3 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 4 |
| 2019 | 2 | 2 |
| 2020 | 4 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for an ankle prosthesis5 May 2026US 12,616,589 B2Rehabilitation Institute of Chicago
- Medical device employing a coaxial screw gear sleeve mechanism16 Dec 2025US 12,496,197 B2SpineX Tec, LLC
- Multi path biomimetic and variable stiffness ankle system and related methods11 Jun 2024US 12,004,971 B2Northwestern University
- Foot prosthesis with dynamic variable keel resistance27 Feb 2024US 11,911,297 B2
- Computer-controlled ankle-foot prosthesis with series J-spring actuation30 Jan 2024US 11,883,305 B2Massachusetts Institute of Technology
- Medical device employing a coaxial screw gear sleeve mechanism12 Mar 2026US 2026/0069428 A1SpineX Tec, LLC
- Systems and methods for an ankle prosthesis19 Oct 2023US 2023/0329885 A1Rehabilitation Institute of Chicago d/b/a Shirley Ryan AbilityLab
- Medical Device Employing a Coaxial Screw Gear Sleeve Mechanism12 Oct 2023US 2023/0320868 A1SpineX Tec, LLC
- Arm prosthetic device10 Aug 2023US 2023/0248544 A1DEKA Products Limited Partnership
- Computer-Controlled Ankle-Foot Prosthesis with Series J-Spring Actuation26 May 2022US 2022/0160522 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Methods and apparatuses for vertebral body distraction and fusion employing a coaxial screw gear sleeve mechanism453US 8,303,663 B2SpineX Tec, LLC · 2012
- Methods and apparatuses for vertebral body distraction and fusion employing a coaxial screw gear sleeve mechanism380US 8,771,360 B2SpineX Tec, LLC · 2014
- Coaxial screw gear sleeve mechanism145US 9,358,125 B2SpineX Tec, LLC · 2016
- Medical device employing a coaxial screw gear sleeve mechanism47US 10,369,008 B2SpineX Tec, LLC · 2019
- Enhanced prosthetic foot structure with ankle reinforcement46US 6,120,547 A2000