D21B 1/10

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Class  D21B : FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT


Subclass 1/10: Fibrous raw materials or their mechanical treatment (beaters D21D 1/00) by dividing raw materials into small particles, e.g. fibres (breaking-up or cutting wood or the like by dry methods B27L; disintegrating peat C10F 7/02; obtaining fibres mechanically for spinning from rags, peat, or the like D01B) by dry methods the raw material being waste paper (chemical part D21C 5/02); the raw material being rags by cutting actions

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12123136 Raw material supply deviceJul 28, 21Oct 22, 24SEIKO EPSON CORPORATION
11834782 Sheet manufacturing apparatusAug 28, 20Dec 05, 23SEIKO EPSON CORPORATION
11767637 Powder collection unit and fiber processing apparatusDec 27, 21Sep 26, 23SEIKO EPSON CORPORATION
11707745 Processes and structures for plastic separation and products of such processesDec 13, 18Jul 25, 23BROADVIEW GROUP INTERNATIONAL, LLC
11293139 Web manufacturing apparatus and sheet manufacturing apparatusNov 07, 19Apr 05, 22SEIKO EPSON CORPORATION
11261565 Defibration processing device, and fibrous feedstock recycling deviceMar 27, 19Mar 01, 22SEIKO EPSON CORPORATION
11198087 Collection device, collection method, and fibrous feedstock recycling deviceFeb 04, 19Dec 14, 21SEIKO EPSON CORPORATION
11173495 Crushing apparatusJan 22, 20Nov 16, 21SEIKO EPSON CORPORATION
11123746 Shredder and sheet manufacturing apparatusJul 25, 19Sep 21, 21SEIKO EPSON CORPORATION
11118306 Web forming device, web forming method, and sheet manufacturing apparatusMar 27, 19Sep 14, 21Seiko Epson Corporation
11060242 Sheet manufacturing apparatusFeb 27, 19Jul 13, 21SEIKO EPSON CORPORATION
11059199 Raw material supply device and sheet manufacturing apparatusFeb 27, 19Jul 13, 21SEIKO EPSON CORPORATION
10961657 Defibrating device and sheet manufacturing apparatusSep 26, 18Mar 30, 21SEIKO EPSON CORPORATION
10895869 Raw material supply device, raw material supply method, and sheet manufacturing apparatusMar 29, 17Jan 19, 21SEIKO EPSON CORPORATION
10704196 Processing biomassMar 14, 19Jul 07, 20Xyleco, Inc.
10697111 Textiles and methods and systems for producing textilesDec 06, 18Jun 30, 20Xyleco, Inc.
10619302 Sheet manufacturing apparatusAug 14, 18Apr 14, 20SEIKO EPSON CORPORATION
10563351 Sheet manufacturing apparatus and material defibrating apparatusSep 26, 14Feb 18, 20SEIKO EPSON CORPORATION
10538878 Method for recovering pulp fibers from used absorbent articleJun 09, 17Jan 21, 20Unicharm Corporation
10533195 Processing biomassNov 30, 18Jan 14, 20Xyleco, Inc.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2024/0328,082 DEFIBRATION DEVICEMar 28, 24Oct 03, 24Not available
2024/0309,584 SYSTEM AND METHOD OF MANUFACTURE OF CELLULOSE INSULATIONMar 15, 24Sep 19, 24NTIP LLC
2024/0247,141 Upcycling Post-Consumed Single Used Paper Cups to Loose Fibre Insulation and Paper-Plastic Composite MaterialJun 09, 23Jul 25, 24Not available
2024/0167,223 SHEET MANUFACTURING APPARATUSNov 20, 23May 23, 24Not available
2023/0057,947 METHOD AND SYSTEM FOR RECYCLING PAPERNov 08, 21Feb 23, 23Not available
2019/0211,501 PROCESSING BIOMASSMar 14, 19Jul 11, 19Not available

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Patents Issued To Date - By Filing Year

Average Time to Issuance