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Patent applications and USPTO patent grants for Dahl; Hans.The latest application filed is for "device for dewatering a material web".
Patent | Date |
---|---|
Device for dewatering a material web Grant 6,381,868 - Grabscheid , et al. May 7, 2 | 2002-05-07 |
Wire section, belt guidance device, and process for forming fibrous material web in wire section Grant 6,342,126 - Grabscheid , et al. January 29, 2 | 2002-01-29 |
Wire section and method of dewatering a fiber web in a wire section web Grant 6,027,612 - Begemann , et al. February 22, 2 | 2000-02-22 |
Method of using a forming section of a papermaking machine Grant 5,320,713 - Bubik , et al. June 14, 1 | 1994-06-14 |
Wet section for a twin wire papermaking machine Grant 5,282,933 - Bubik , et al. February 1, 1 | 1994-02-01 |
De-watering apparatus in a two-wire former Grant 5,167,770 - Bubik , et al. December 1, 1 | 1992-12-01 |
Method for calendering a paper or cardboard web Grant 5,163,364 - Bubik , et al. November 17, 1 | 1992-11-17 |
Press section of a papermaking machine with adjustable felt guide roll Grant 4,915,790 - Dahl April 10, 1 | 1990-04-10 |
Wet press for dewatering a web of material Grant 4,556,454 - Dahl , et al. December 3, 1 | 1985-12-03 |
Band press for a fiber web Grant 4,468,287 - Dahl August 28, 1 | 1984-08-28 |
Consecutive multi-ply formers with an unencumbered doffer felt Grant 4,004,968 - Braun , et al. January 25, 1 | 1977-01-25 |
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