D21D 1/26

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2023/0175,204 CONICAL INLET TRANSITION ZONE FOR MECHANICAL REFINERSDec 03, 21Jun 08, 23Andritz, Inc.
2022/0333,303 FLOW-ALTERING REFINER SEGMENTNov 08, 21Oct 20, 22Not available
2022/0333,304 FLOW-ALTERING REFINER SEGMENTNov 08, 21Oct 20, 22Not available
2022/0154,399 PRODUCTION METHODMar 20, 20May 19, 22Not available
2021/0108,367 Multiple Feed and Multiple Discharge RefinerOct 09, 20Apr 15, 21VALMET TECHNOLOGIES OY
2019/0330,798 REFINER BAR PLATE INCLUDING MICRO-FINE BAR AND METHOD FOR MANUFACTURING SAMENov 24, 17Oct 31, 19Not available