Sunds Defibrator AB
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sunds Defibrator AB.The latest application filed is for "stress regulator for pulp grinding apparatus and method".
- Sunds Defibrator AB - Sundsvall SE
- Sunds Defibrator AB - Stockholm SE
Trademarks
| Patent | Date |
|---|---|
| Stress regulator for pulp grinding apparatus and method Grant 5,067,660 - Reinhall November 26, 1 | 1991-11-26 |
| Method for making pulp Grant 4,772,358 - Virving September 20, 1 | 1988-09-20 |
| Hot press for treating a web of material Grant 4,718,843 - Carlsson , et al. January 12, 1 | 1988-01-12 |
| Method and apparatus for forming a web Grant 4,688,301 - Thorbjornsson , et al. August 25, 1 | 1987-08-25 |
| Reactor to perform chemical reactions with a disintegrating disc Grant 4,612,088 - Nardi September 16, 1 | 1986-09-16 |
| Method for wet combustion of organic material Grant 4,604,957 - Cederquist August 12, 1 | 1986-08-12 |
| Method and apparatus for measuring the spacing between the opposed surfaces of separated elements Grant 4,387,339 - Akerblom June 7, 1 | 1983-06-07 |
| Method for use in the defibration or refining of lignocellulose-containing fibrous materials Grant 4,311,553 - Akerlund , et al. January 19, 1 | 1982-01-19 |
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