Patents
US 11721825 B1: Fuel cell and method of forming the same
- Granted
- 2023-08-08
- Filed
- 2022-01-18 application 17578134
- Type
- Utility · 9 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
In an embodiment, a fuel cell includes: a flexible substrate including a first fuel-tolerant material; a fitting on the flexible substrate, the fitting including first openings extending through an outer portion of the fitting; a primer coating on the outer portion of the fitting, the primer coating including a second fuel-tolerant material; first yarns strung through the first openings of the fitting, the first yarns stitched into the flexible substrate; and an encapsulant encapsulating the first yarns, the primer coating, and the outer portion of the fitting, the encapsulant disposed on the flexible substrate, the encapsulant including a third fuel-tolerant material, the third fuel-tolerant material chemically bonded to the second fuel-tolerant material and the first fuel-tolerant material.
Source: PVGPATDIS, file of 2026-04-10 (ipg230808.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Response Technologies, LLC 18 patents | US company or organization | Greene, RI | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| David A. Pettey | Portsmouth, RI | 14 | PVGPATDIS, file of 2026-04-10 | |
| Edmund Francis Bard | Cumberland, RI | 8 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H01M | Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy | H01M8/1097 | PVGPATDIS, file of 2026-04-10 |
| Y02E | Reduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution | Y02E60/50 | 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 |
|---|---|---|---|---|---|
| 2022-01-18 | Assignment Assignment of assignor's interest | PETTEY, DAVID ALLEN signed 2022-01-17 BARD, EDMUND FRANCIS signed 2022-01-17 | RESPONSE TECHNOLOGIES, LLC COVENTRY, RI | 58683/193 | PASDL, file of 2026-10-15 |
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.