Patents
US 12680496 B2: High entropy alloy repair of nickel and cobalt superalloys
- Granted
- 2026-07-14
- Filed
- 2024-06-10 application 18738570
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method for repairing damage at a damage site on the surface of a nickel- or cobalt-based alloy. The method includes: machining at the damage site; and applying a high entropy alloy (HEA) repair material to the damage site via high velocity oxy-fuel (HVOF) spray, high velocity air-fuel (HVAF) spray, or cold spray.
Source: PTBLXML, file of 2026-07-14 (ipgb20260714.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Pratt & Whitney Canada Corp. 2,726 patents | Foreign company or organization | Longueuil, CA | PRATT & WHITNEY CANADA CORP State business registration EXACT medium confidence: identical full name, one of each nationally | PTBLXML, file of 2026-07-14 |
| Concordia University 17 patents | Foreign company or organization | Montreal, CA | Concordia University-Wisconsin College or university FUZZY medium confidence: through the nonprofit with the college's EIN (same name (governing-board words and legal endings aside) and state) CONCORDIA UNIVERSITY INC Nonprofit FUZZY medium confidence: same name (governing-board words and legal endings aside) and state | PTBLXML, file of 2026-07-14 |
| The Royal Institution for the Advancement of Learning/McGill University 250 patents | Foreign company or organization | Montreal, CA | PTBLXML, file of 2026-07-14 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Payank Patel | Montreal, CA | PTBLXML, file of 2026-07-14 | ||
| Mary E. Makowiec | Manchester, CT | 4 | PTBLXML, file of 2026-07-14 | |
| Joël Larose | Longueuil, CA | 7 | PTBLXML, file of 2026-07-14 | |
| Navid Sharifi | Verdun, CA | 2 | PTBLXML, file of 2026-07-14 | |
| Pantcho P. Stoyanov | Beaconsfield, CA | 42 | PTBLXML, file of 2026-07-14 | |
| Christian Moreau | Boucherville, CA | 4 | PTBLXML, file of 2026-07-14 | |
| Richard Chromik | Montreal, CA | 2 | PTBLXML, file of 2026-07-14 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F02C | Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants | F02C3/14 | PTBLXML, file of 2026-07-14 |
| C22C | Alloys | C22C30/00 | PTBLXML, file of 2026-07-14 |
| C23C | Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general | C23C4/08 | PTBLXML, file of 2026-07-14 |
| F05D | Indexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants | F05D2230/80 | PTBLXML, file of 2026-07-14 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-06-11 | Assignment Assignment of assignor's interest | CHROMIK, RICHARD signed 2026-06-01 | THE ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING/MCGILL UNIVERSITY MONTREAL | 75728/746 | PASDL, file of 2026-10-15 |
| 2026-06-11 | Assignment Assignment of assignor's interest | LAROSE, JOEL signed 2025-02-19 MAKOWIEC, MARY E. signed 2025-02-18 | PRATT & WHITNEY CANADA CORP. LONGUEUIL | 74922/1 | PASDL, file of 2026-10-15 |
| 2026-06-11 | Assignment Assignment of assignor's interest | PATEL, PAYANK signed 2025-01-13 STOYANOV, PANTCHO P. signed 2025-01-13 MOREAU, CHRISTIAN signed 2025-01-13 SHARIFI, NAVID signed 2025-01-14 | CONCORDIA UNIVERSITY MONTREAL | 74921/909 | 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.