Patents
US 8016892 B2: Prosthetic device utilizing electric vacuum pump
- Granted
- 2011-09-13
- Filed
- 2007-03-20 application 11688402
- Type
- Utility · 28 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A prosthetic device and prosthetic assembly operative to evacuate an interior of a prosthetic socket, and control systems for use therewith. The prosthetic device and prosthetic assembly employ evacuation devices for evacuating the socket. The evacuation devices preferably include at least an electrically powered vacuum pump and a power source, and are adapted for mounting to a universal adapter that is installed to the distal end of a prosthetic socket. Associated control systems may be of various design and may employ wired or wireless communication. When wireless communication is employed, a hand held controller may be used to remotely control operation of the evacuation device.
Source: PVGPATDIS, file of 2026-04-10 (ipg110913.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| The Ohio Willow Wood Company 21 patents | US company or organization | Mount Sterling, OH | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| James M. Colvin | Hilliard, OH | 14 | PVGPATDIS, file of 2026-04-10 | |
| Michael L. Haynes | Columbus, OH | 11 | PVGPATDIS, file of 2026-04-10 | |
| Christopher T. Kelley | Grandview Heights, OH | 10 | PVGPATDIS, file of 2026-04-10 | |
| Mark W. Ford | Jamestown, OH | 3 | PVGPATDIS, file of 2026-04-10 | |
| Mark W. Groves | Columbus, OH | 4 | PVGPATDIS, file of 2026-04-10 | |
| Jeffrey A. Denune | Galloway, OH | 6 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61F | Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kits | A61F2/80 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-07-17 | Release of security interest Release of security interest | APOGEM CAPITAL LLC, AS AGENT signed 2026-07-16 | WILLOWWOOD GLOBAL LLC MT. STERLING, OH | 75305/983 | PASDL, file of 2026-10-15 |
| 2026-07-16 | Security interest Security interest Security interest | WILLOWWOOD GLOBAL LLC signed 2026-07-16 WILLOWWOOD XTREMITY ACQUISITION HOLDINGS LLC signed 2026-07-16 | APOGEM CAPITAL LLC, AS ADMINISTRATIVE AGENT CHICAGO, IL | 75287/927 | PASDL, file of 2026-10-15 |
| 2022-04-18 | Security interest Security interest Assignment of intellectual property security agreement | MADISON CAPITAL FUNDING LLC signed 2022-04-01 | APOGEM CAPITAL LLC, AS SUCCESSOR AGENT CHICAGO, IL | 59724/506 | PASDL, file of 2026-10-15 |
| 2022-01-20 | Release of security interest Release of security interest | MADISON CAPITAL FUNDING LLC, AS AGENT signed 2021-12-02 | WILLOWWOOD GLOBAL LLC MT. STERLING, OH | 58786/492 | PASDL, file of 2026-10-15 |
| 2021-12-02 | Security interest Security interest Security interest | WILLOWWOOD GLOBAL LLC signed 2021-12-02 | MADISON CAPITAL FUNDING LLC, AS AGENT CHICAGO, IL | 58274/806 | PASDL, file of 2026-10-15 |
| 2019-06-05 | Security interest Security interest Security interest | WILLOWWOOD GLOBAL LLC signed 2019-06-05 | MADISON CAPITAL FUNDING LLC, AS AGENT CHICAGO, IL | 49376/71 | PASDL, file of 2026-10-15 |
| 2019-06-03 | Assignment Assignment of assignor's interest | THE OHIO WILLOW WOOD COMPANY signed 2019-06-01 | WILLOWWOOD GLOBAL LLC MT.STERLING, OH | 49352/264 | PASDL, file of 2026-10-15 |
| 2007-04-19 | Assignment Assignment of assignor's interest | COLVIN, JAMES M. signed 2007-04-02 DENUNE, JEFFREY A. signed 2007-04-02 GROVES, MARK W. signed 2007-04-02 HAYNES, MICHAEL L. signed 2007-04-02 KELLEY, CHRISTOPHER T. signed 2007-04-02 FORD, MARK W. signed 2007-04-03 | THE OHIO WILLOW WOOD COMPANY MT. STERLING, OH | 19184/353 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.