Ahrweiler; Karl-Heinz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ahrweiler; Karl-Heinz.The latest application filed is for "valve arrangement and valve for the same".
- Ahrweiler; Karl-Heinz - Willich DE
- Ahrweiler; Karl-Heinz - Krefeld DE
| Patent | Date |
|---|---|
| Valve arrangement and valve for the same Grant 6,230,744 - Ahrweiler May 15, 2 | 2001-05-15 |
| Roll having improved transverse end seals Grant 4,995,147 - Ahrweiler , et al. February 26, 1 | 1991-02-26 |
| Method for controlling the line pressure distribution of a roller and corresponding roller Grant 4,307,501 - Ahrweiler December 29, 1 | 1981-12-29 |
| Press for compacting material to form a traveling web Grant 4,213,748 - Ahrweiler July 22, 1 | 1980-07-22 |
| Roller chain guide arrangement Grant 4,050,872 - Ahrweiler September 27, 1 | 1977-09-27 |
| Press for exerting flat pressure Grant 4,043,732 - Ahrweiler August 23, 1 | 1977-08-23 |
| Continuous press Grant 3,926,542 - Ahrweiler December 16, 1 | 1975-12-16 |
| Means For Maintaining Spacing In A Continuous Press Grant 3,881,852 - Ahrweiler May 6, 1 | 1975-05-06 |
| Continuous Press Grant 3,851,685 - Ahrweiler , et al. December 3, 1 | 1974-12-03 |
| Machine For Compressing A Traveling Web Grant 3,792,953 - Ahrweiler February 19, 1 | 1974-02-19 |
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