Patents
US 11806466 B2: Fluid ingress protection for NPWT device
- Granted
- 2023-11-07
- Filed
- 2019-09-13 application 16570789
- Type
- Utility · 11 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A negative pressure wound treatment (NPWT) system including a NWPT therapy unit and a wound dressing configured to overlay a wound bed. The NPWT system includes a first length of tubing comprising a first end and a second end, the first end of the first length of tubing coupled to the NWPT therapy unit and the second end of the first length of tubing having a first coupling half, as well as a second length of tubing having a first end and second end, the first end of the second length of tubing coupled to the wound dressing and the second end of the second length of tubing having a second coupling half. The NPWT system includes an inline filter comprising a sintered polymer and a superabsorbent material, and an inline coupling, wherein the inline coupling is configured to operably couple and de-couple the NPWT therapy unit and wound dressing.
Source: PVGPATDIS, file of 2026-04-10 (ipg231107.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| KCI Licensing, Inc. 911 patents | US company or organization | San Antonio, TX | TX:32096292969 State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Timothy Mark Robinson | Greenbush Avenue, GB | 356 | PVGPATDIS, file of 2026-04-10 | |
| Christopher Brian Locke | Bournemouth, GB | 580 | PVGPATDIS, file of 2026-04-10 | |
| Colin John Hall | Poole, GB | 63 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61M | Devices for introducing media into, or onto, the body ; devices for transducing body media or for taking media from the body ; devices for producing or ending sleep or stupor | A61M1/784 | PVGPATDIS, file of 2026-04-10 |
| 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 | A61F13/00055 | 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 |
|---|---|---|---|---|---|
| 2024-02-01 | Assignment Assignment of assignor's interest | 3M INNOVATIVE PROPERTIES COMPANY signed 2024-02-01 | SOLVENTUM INTELLECTUAL PROPERTIES COMPANY MAPLEWOOD, MN | 66445/336 | PASDL, file of 2026-10-15 |
| 2024-01-09 | Assignment Assignment of assignor's interest | KCI LICENSING, INC. signed 2024-01-08 | 3M INNOVATIVE PROPERTIES COMPANY SAINT PAUL, MN | 66064/128 | PASDL, file of 2026-10-15 |
| 2023-11-01 | Assignment Assignment of assignor's interest | HALL, COLIN JOHN signed 2023-11-01 | KCI LICENSING, INC. SAN ANTONIO, TX | 65415/407 | ECORSEXC, file of 2026-09-25 |
| 2020-08-31 | Assignment Assignment of assignor's interest | ROBINSON, TIMOTHY M. signed 2018-09-18 LOCKE, CHRISTOPHER B. signed 2018-09-19 | KCI LICENSING, INC. SAN ANTONIO, TX | 53647/1 | 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.