Appenzeller; Valentin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Appenzeller; Valentin.The latest application filed is for "controlled-deflection roll".
- Appenzeller; Valentin - Kempen DE
- Appenzeller; Valentin - Kempen/Ndrh DT
- Appenzeller; Valentin - Kempen/Niederrhein DT
| Patent | Date |
|---|---|
| Controlled-deflection roll Grant 4,506,421 - Appenzeller , et al. March 26, 1 | 1985-03-26 |
| Revolving hollow roll with a gap seal Grant 4,447,940 - Appenzeller , et al. May 15, 1 | 1984-05-15 |
| Apparatus for the continuous pressure treatment of a web Grant 3,973,483 - Appenzeller August 10, 1 | 1976-08-10 |
| Continuous Press Grant 3,851,685 - Ahrweiler , et al. December 3, 1 | 1974-12-03 |
| Apparatus For The Continuous Pressure Treatment Of A Web Grant 3,799,052 - Kusters , et al. March 26, 1 | 1974-03-26 |
| Apparatus For Textile Dyeing Grant 3,731,503 - Appenzeller , et al. May 8, 1 | 1973-05-08 |
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