Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651630 | Thermally insulating pistons for internal combustion engines and method for the manufacture thereof | Hans Zeilinger | 1987-03-24 |
| 4551328 | Selectively absorbent layer for solar collectors, and method of making it | August Muhlratzer, Roland Bertinger, Boy Cornils, Bela Tihanyi, Werner DeWin | 1985-11-05 |
| 4510182 | Method for the production of homogeneous coatings of two or more metals and/or metal compounds | Boy Cornils, Bela Tihanyi, Jurgen Weber, Werner DeWin, August Muhlratzer | 1985-04-09 |
| 4473447 | Method of manufacturing absorption layers for solar energy systems and bath therefor | Herbert Gutwein, August Muhlratzer, Boy Cornils, Bela Tihanyi, Werner DeWin | 1984-09-25 |
| 4183320 | Apparatus for nickel plating | Ladislav Koydl | 1980-01-15 |