Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252628 | Chromate-free inorganic coating systems for hot corrosion protection of superalloy substrate | Zhihong Tang, Mark W. Perpall, Daryl G. Copeland, Brian D. Fitzwater | 2025-03-18 |
| 11827808 | Erosion and corrosion resistant overlay coating systems for protection of metal components | Mark W. Perpall | 2023-11-28 |
| 11535560 | Chromate-free ceramic coating compositions for hot corrosion protection of superalloy substrates | Zhihong Tang, Brian D. Fitzwater, Daryl G. Copeland | 2022-12-27 |
| 11261135 | Chromate-free ceramic compositions with reduced curing temperature | Thomas F. Lewis | 2022-03-01 |
| 11225441 | Chromium-free silicate-based ceramic compositions with reduced curing temperature | Daryl G. Copeland | 2022-01-18 |
| 9598775 | Multilayer overlay system for thermal and corrosion protection of superalloy substrates | — | 2017-03-21 |
| 9394448 | Chromate-free ceramic coating compositions | Daryl G. Copeland | 2016-07-19 |
| 9322101 | Chromium-free silicate-based ceramic compositions | Daryl G. Copeland | 2016-04-26 |
| 9096763 | Aqueous slurry for the production of thermal and environmental barrier coatings and processes for making and applying the same | Vladimir Belov | 2015-08-04 |
| 9017464 | Chromium-free silicate-based ceramic compositions | Daryl G. Copeland | 2015-04-28 |
| 7147832 | Process for the isolation and purification of zirconium peroxosulfate and uses thereof | Vladimir Belov | 2006-12-12 |
| 6964600 | High selectivity colloidal silica slurry | Lothar Puppe, Gerd Passing, Thomas J. Hunt | 2005-11-15 |
| 6703334 | Method for manufacturing stabilized zirconia | Vladimir Belov | 2004-03-09 |