Patents
US 11905382 B2: Proton-exchange membrane
- Granted
- 2024-02-20
- Filed
- 2020-07-07 application 16922160
- Type
- Utility · 18 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A proton-exchange membrane includes a polymer matrix, polymer fibers, or a combination thereof. The proton-exchange membrane also includes a proton-conducting material distributed on the polymer matrix, on the polymer fibers, in the polymer fibers, or a combination thereof.
Source: PVGPATDIS, file of 2026-04-10 (ipg240220.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Energy & Environmental Research Center 68 patents | US company or organization | Portland, ND | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Ted R. Aulich | Portland, ND | 1 | PVGPATDIS, file of 2026-04-10 | |
| Jivan Thakare | Portland, ND | 2 | PVGPATDIS, file of 2026-04-10 | |
| John Hurley | Portland, ND | 1 | PVGPATDIS, file of 2026-04-10 | |
| Xiangfa Wu | Fargo, ND | 1 | PVGPATDIS, file of 2026-04-10 | |
| Zhengping Zhou | Fargo, ND | 3 | PVGPATDIS, file of 2026-04-10 | |
| Oksana Zholobko | Fargo, ND | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C08J | Working-up; general processes of compounding; after-treatment not covered by subclasses c08b, c08c, c08f, c08g or c08h | C08J5/2218 | PVGPATDIS, file of 2026-04-10 |
| D01F | Chemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments | D01F8/16 | PVGPATDIS, file of 2026-04-10 |
| C08K | Use of inorganic or non-macromolecular organic substances as compounding ingredients | C08K3/20 | PVGPATDIS, file of 2026-04-10 |
| D01D | Mechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons | D01D5/003 | PVGPATDIS, file of 2026-04-10 |
| D04H | Making textile fabrics, e.g. from fibres or filamentary material ; fabrics made by such processes or apparatus, e.g. felts, non-woven fabrics; cotton-wool; wadding ; ; non-woven fabrics from staple fibres, filaments or yarns, bonded with at least one web-like material during their consolidation | D04H1/4326 | PVGPATDIS, file of 2026-04-10 |
| B82Y | Specific uses or applications of nanostructures; measurement or analysis of nanostructures; manufacture or treatment of nanostructures | B82Y30/00 | 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 |
|---|---|---|---|---|---|
| 2021-04-29 | Government interest Confirmatory license | ENERGY & ENVIROMENTAL RESEARCH CENTER FOUNDATION signed 2021-03-04 | UNITED STATES DEPARTMENT OF ENERGY WASHINGTON, DC | 56079/177 | ECORSEXC, file of 2026-09-25 |
| 2020-10-22 | Assignment Assignment of assignor's interest | NORTH DAKOTA STATE UNIVERSITY signed 2020-08-04 | NDSU RESEARCH FOUNDATION FARGO, ND | 54143/310 | ECORSEXC, file of 2026-09-25 |
| 2020-08-06 | Assignment Assignment of assignor's interest | ZHOLOBKO, OKSANA signed 2020-07-23 WU, XIANGFA signed 2020-07-27 ZHOU, ZHENGPING signed 2020-07-27 | NORTH DAKOTA STATE UNIVERSITY FARGO, ND | 53418/911 | ECORSEXC, file of 2026-09-25 |
| 2020-08-05 | Assignment Assignment of assignor's interest | AULICH, TED R. signed 2020-07-16 HURLEY, JOHN signed 2020-07-16 THAKARE, JIVAN signed 2020-07-16 | ENERGY AND ENVIRONMENTAL RESEARCH CENTER FOUNDATION GRAND FORKS, ND | 53412/940 | 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.