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| 9988762 | High efficiency production of nanofibrillated cellulose | May 06, 15 | Jun 05, 18 | University of Maine System Board of Trustees |
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| 9968938 | Refiner plate with gradually changing geometry | Sep 05, 13 | May 15, 18 | Andritz Inc. |
| 9943852 | Center plate in a pulp refiner | Mar 04, 14 | Apr 17, 18 | Valmet AB |
| 9765479 | Blade segment of disc refiner | Jun 16, 15 | Sep 19, 17 | VALMET TECHNOLOGIES, INC. |
| 9708765 | Rotor refiner plate element for counter-rotating refiner having curved bars and serrated leading edges | Jul 12, 12 | Jul 18, 17 | ANDRITZ INC. |
| 9670615 | Conical rotor refiner plate element for counter-rotating refiner having curved bars and serrated leading sidewalls | Aug 03, 12 | Jun 06, 17 | ANDRITZ INC. |
| 9604221 | Stator refiner plate element having curved bars and serrated leading edges | Oct 17, 13 | Mar 28, 17 | ANDRITZ INC., Andrtiz Inc., |
| 9605379 | Cast refiner plate segment with blunt edges and corners for safe handling | Jan 31, 14 | Mar 28, 17 | ANDRITZ INC. |
| 9528222 | Feed screw arrangement | Jun 28, 12 | Dec 27, 16 | VALMET AB |
| 9272285 | Emulsification grinder | Apr 29, 14 | Mar 01, 16 | Not available |
| 9267234 | Blade element and refiner | Dec 24, 13 | Feb 23, 16 | VALMET TECHNOLOGIES, INC. |
| 9222219 | Blade element | May 10, 13 | Dec 29, 15 | VALMET TECHNOLOGIES, INC. |
| 9222220 | Refiner and blade element | Jan 26, 12 | Dec 29, 15 | VALMET TECHNOLOGIES, INC. |
| 9205428 | Rubbing machine and its tool pan | Mar 23, 11 | Dec 08, 15 | YFY BIOPULP TECHNOLOGY LIMITED |
| 9181654 | Refiner plate having a smooth, wave-like groove and related methods | May 07, 13 | Nov 10, 15 | ANDRITZ INC. |
| 9145641 | Apparatus for disperser plate and method to refine paper | Nov 18, 13 | Sep 29, 15 | ANDRITZ INC. |
| 9133579 | Refiner and blade element | Jan 26, 12 | Sep 15, 15 | VALMET TECHNOLOGIES, INC. |
| 9085850 | Reversible low energy refiner plates | Mar 22, 13 | Jul 21, 15 | ANDRITZ INC. |