Inventor
Daryl G. Copeland
Inventor
US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers33%
C23CCoating metallic material33%
B05DProcesses for applying fluent materials to surfaces, in general11%
C04BLime, magnesia11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
PatentTitleYear
12,545,791Chromate-free and phosphate-free ceramic coating compositions for hot corrosion protection of substrates202612,252,628Chromate-free inorganic coating systems for hot corrosion protection of superalloy substrate202511,535,560Chromate-free ceramic coating compositions for hot corrosion protection of superalloy substrates2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to PRAXAIR ST TECH INC (3)· patent assignee history
2022–2026Based in US· patent location history
2025–2026Patents assigned to COPELAND DARYL G (2)· patent assignee history
2025–2026Patents assigned to PERPALL MARK W (2)· patent assignee history
2025–2026Patents assigned to TANG ZHIHONG (2)· patent assignee history
2025Patents assigned to BELOV IRINA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PRAXAIR ST TECH INC | 3 | 2022–2026 |
| COPELAND DARYL Gself | 2 | 2025–2026 |
| PERPALL MARK W | 2 | 2025–2026 |
| TANG ZHIHONG | 2 | 2025–2026 |
| BELOV IRINA | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 3 | 2022–2026 |