Patents
US 8317873 B2: Polymeric prosthetic liner with controlled stretch characteristics
- Granted
- 2012-11-27
- Filed
- 2010-02-23 application 12711234
- Type
- Utility · 27 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A controlled-stretch prosthetic liner comprising a polymeric material covered with at least a stretch-controlling fabric. Certain liner types, such as below knee (BK) liners, may also include a panel of more stretchable fabric so as to prevent any interference with knee flexion. The polymeric material of the liner may also be used to control liner stretch, such as by adding Kevlar pulp or other materials that increase the strength and reduce the elasticity of the polymeric material and/or by reducing the amount of plasticizer(s) present therein. The stretch-controlling fabric, possibly in conjunction with the polymeric material, acts to limit the longitudinal stretch of the liner while not adversely affecting the radial stretch thereof.
Source: PVGPATDIS, file of 2026-04-10 (ipg121127.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 |
|---|---|---|---|---|
| Jeffrey L. Doddroe | Washington Court House, OH | 7 | PVGPATDIS, file of 2026-04-10 | |
| Christopher T. Kelley | Grandview Heights, OH | 10 | PVGPATDIS, file of 2026-04-10 | |
| Larry Gail Rowe, Jr. | Williamsport, OH | 2 | 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 | A61F2/7812 | 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 |
| 2010-05-04 | Assignment Assignment of assignor's interest | DODDROE, JEFFREY L. signed 2010-04-23 KELLEY, CHRISTOPHER T. signed 2010-04-23 ROWE, LARRY GAIL, JR. signed 2010-04-23 | THE OHIO WILLOW WOOD COMPANY MOUNT STERLING, OH | 24333/313 | 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.