Class D21B : FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
Subclass 1/08: 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
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258712 | Sheet manufacturing system | Mar 23, 23 | Mar 25, 25 | SEIKO EPSON CORPORATION |
| 12258713 | Sheet manufacturing system | Mar 28, 23 | Mar 25, 25 | SEIKO EPSON CORPORATION |
| 12241202 | Process of transforming waste material into useful material | Mar 11, 24 | Mar 04, 25 | Bouldin Corporation |
| 12139851 | Fiber body manufacturing method and fiber body manufacturing apparatus | Mar 29, 21 | Nov 12, 24 | SEIKO EPSON CORPORATION |
| 12065779 | Raw-material feeding device | Jul 28, 21 | Aug 20, 24 | SEIKO EPSON CORPORATION |
| 11807985 | Web transportation apparatus and fiber article producing apparatus | Sep 06, 22 | Nov 07, 23 | SEIKO EPSON CORPORATION |
| 11746469 | Fiber structure manufacturing apparatus and fiber structure manufacturing method | May 27, 21 | Sep 05, 23 | SEIKO EPSON CORPORATION |
| 11732415 | Fiber body forming apparatus and control method of fiber body forming apparatus | Dec 22, 21 | Aug 22, 23 | SEIKO EPSON CORPORATION |
| 11724414 | Defibrated material manufacturing device | Jul 30, 18 | Aug 15, 23 | SEIKO EPSON CORPORATION |
| 11459703 | Sheet manufacturing apparatus, control method thereof, and sheet manufacturing method | Feb 27, 18 | Oct 04, 22 | SEIKO EPSON CORPORATION |
| 11408124 | Processing apparatus, sheet manufacturing apparatus, processing method, and sheet manufacturing method | Dec 27, 18 | Aug 09, 22 | Seiko Epson Corporation |
| 11274395 | Fiber assembly-forming method and fiber assembly-forming apparatus | Jun 05, 20 | Mar 15, 22 | SEIKO EPSON CORPORATION |
| 11261565 | Defibration processing device, and fibrous feedstock recycling device | Mar 27, 19 | Mar 01, 22 | SEIKO EPSON CORPORATION |
| 11162215 | Defibration treatment apparatus and fiber processing apparatus | Mar 18, 20 | Nov 02, 21 | SEIKO EPSON CORPORATION |
| 11059199 | Raw material supply device and sheet manufacturing apparatus | Feb 27, 19 | Jul 13, 21 | SEIKO EPSON CORPORATION |
| 11028536 | Defibrated material manufacturing device, and sheet manufacturing apparatus | May 11, 20 | Jun 08, 21 | SEIKO EPSON CORPORATION |
| 10914034 | Sheet manufacturing apparatus | Sep 26, 18 | Feb 09, 21 | SEIKO EPSON CORPORATION |
| 10876255 | Processing device, sheet manufacturing device, processing method, and method for manufacturing sheet | Apr 16, 18 | Dec 29, 20 | SEIKO EPSON CORPORATION |
| 10676867 | Defibrated material manufacturing device, and sheet manufacturing apparatus | Jul 30, 18 | Jun 09, 20 | SEIKO EPSON CORPORATION |
| 10648130 | Process for the production of a microfibrillated cellulose composition | May 27, 14 | May 12, 20 | Solenis Technologies, L.P. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0295,078 | PREPARATION METHOD AND RECYCLINGMETHOD FOR DEGRADABLE AND RECYCLABLE PAPER PLASTICS WITH WATER RESISTANCE AND HIGH-STRENGTH | May 13, 24 | Sep 05, 24 | Institute of Chemical Industry of Forest Products,Chinese Academy of Forestry |
| 2024/0175,203 | MATERIAL STORAGE APPARATUS, METHOD OF CONTROLLING MATERIAL STORAGE APPARATUS, AND SHEET MANUFACTURING APPARATUS | Nov 27, 23 | May 30, 24 | Not available |
| 2023/0002,970 | MACHINE, PARTICULARLY FOR PRODUCING CELLULOSE FIBER FROM WASTE PAPER | Mar 02, 22 | Jan 05, 23 | Not available |
| 2020/0299,898 | DEFIBRATION TREATMENT APPARATUS AND FIBER PROCESSING APPARATUS | Mar 18, 20 | Sep 24, 20 | Not available |
| 2019/0203,415 | PROCESSING APPARATUS, SHEET MANUFACTURING APPARATUS, PROCESSING METHOD, AND SHEET MANUFACTURING METHOD | Dec 27, 18 | Jul 04, 19 | Not available |
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