Dorfel; Gerhard Walter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dorfel; Gerhard Walter.The latest application filed is for "web tension control system for a winding structure".
- Dorfel; Gerhard Walter - Boll DE
- Dorfel; Gerhard Walter - Weilheim/Tech. DT
- Dorfel; Gerhard Walter - Weilheim-Teck DT
- Dorfel; Gerhard Walter - Riittulanmaki SF
| Patent | Date |
|---|---|
| Web tension control system for a winding structure Grant 6,089,496 - Dorfel July 18, 2 | 2000-07-18 |
| Method and winding device for winding webs Grant 5,639,045 - Dorfel June 17, 1 | 1997-06-17 |
| Paper Web Transfer System Carrying The Web From Forming Wire To Press Section Grant 3,861,996 - Dorfel January 21, 1 | 1975-01-21 |
| Method And Apparatus For Continuously Reeling Webs Of Material Into Individual Rolls Grant 3,841,578 - Dorfel October 15, 1 | 1974-10-15 |
| Supporting-roller Reeling Apparatus Grant 3,837,593 - Dorfel September 24, 1 | 1974-09-24 |
| Movable Combination Of Rolls Grant 3,648,342 - Dorfel March 14, 1 | 1972-03-14 |
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