Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976827 | Process for pretreating strips and foils of aluminum or aluminum alloys | — | 1990-12-11 |
| 4703187 | Method and apparatus for the determination of the thickness of transparent layers of lacquer | Erich Hofling | 1987-10-27 |
| 4634508 | Process for coating sheared edges of metal can lids | Erich Hofling | 1987-01-06 |
| 4534834 | Process for continuous pretreatment by electrochemical oxidation of strip or foil of aluminum | — | 1985-08-13 |
| 4435080 | Arrangement for measurement of dynamic properties of microparticles | Vladislav Blazek | 1984-03-06 |
| 4428107 | Process for filling with a hardenable filler gaps where corrosive attack can occur in tube and fin heat exchangers | Karl-Heinz Mack | 1984-01-31 |
| 4342150 | Process and device for filling with a hardenable filler gaps where corrosive attack can occur in tube and fin type heat exchangers | Karl-Heinz Mack | 1982-08-03 |