Description
Class D21J : FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MÂCHÉ
Subclass 3/12: Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of sheets; of diaphragms
D21J 3/12
Sub-Class
Stats
- 14 US PATENTS IN FORCE
- 10 US APPLICATIONS PENDING
- 6 Total Patent Owners
- 65 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12060682 | Laminated structure and method of its production | Jul 19, 19 | Aug 13, 24 | Celwise AB |
| 11964813 | Egg carton and formation apparatus and method | Sep 13, 21 | Apr 23, 24 | Consider Provisions, LLC |
| 11814794 | Cellulose fiber molded product and method for manufacturing the same | Sep 18, 19 | Nov 14, 23 | Daio Paper Corporation |
| 11713546 | Method for manufacturing paper buffer tray for packaging and buffer tray manufactured thereby | Sep 30, 19 | Aug 01, 23 | SIN WOO CO., LTD. |
| 11479919 | Molded articles from a fiber slurry | Jul 26, 19 | Oct 25, 22 | Eastman Chemical Company |
| 10711403 | Shaped tray or plate of fibrous material and a method of manufacturing the same | Jun 29, 16 | Jul 14, 20 | Stora Enso Oyj |
| 9951478 | Pulp molding machine and paper-shaped article made thereby | Dec 10, 15 | Apr 24, 18 | Golden Arrow Printing, Co., Ltd. |
| 9902123 | Method and apparatus for producing large uniform thickness nanomaterial sheets | Feb 21, 14 | Feb 27, 18 | INNOVATECH ENGINEERING, LLC |
| 9803322 | Method for manufacturing right-angled pulp product | Oct 20, 15 | Oct 31, 17 | GOLDEN ARROW PRINTING CO., LTD. |
| 9650746 | Pulp molding process and paper-shaped article made thereby | Nov 10, 15 | May 16, 17 | GOLDEN ARROW PRINTING CO., LTD. |
| 9644322 | Solid articles from poly alpha-1,3-glucan and wood pulp | Feb 02, 16 | May 09, 17 | E. I. DU PONT DE NEMOURS AND COMPANY |
| 9540513 | Lignocellulosic article and method of producing same | Nov 20, 13 | Jan 10, 17 | BASF SE |
| 5966797 | Method of manufacturing a damper for a loudspeaker | Dec 09, 98 | Oct 19, 99 | MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
| 5480514 | Diaphragm of electroacoustic transducer and method of manufacturing thereof | Aug 03, 93 | Jan 02, 96 | SHARP KABUSHIKI KAISHA |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0019,906 | WET BLANK FLIPPING METHOD FOR MANUFACTURING MOLDED PULP PRODUCTS AND PULP MOLDING MACHINE | Sep 30, 24 | Jan 16, 25 | Not available |
| 2025/0003,152 | CITRIC ACID-CATALYSED CURRAN MODIFIED CARD BOARD MATERIALS | Nov 02, 22 | Jan 02, 25 | CELLUCOMP LIMITED; Dansk Teknologisk Institut; |
| 2024/0376,674 | BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS | Jul 22, 24 | Nov 14, 24 | FiberLean Technologies Limited |
| 2024/0278,965 | EASY-PRINT PACKAGING SHEET AND MANUFACTURING METHOD THEREFOR | Apr 30, 24 | Aug 22, 24 | JIANGSU QINGYUN NEW MATERIAL CO., LTD. |
| 2024/0217,727 | EGG CARTON AND FORMATION APPARATUS AND METHOD | Mar 19, 24 | Jul 04, 24 | Consider Provisions, LLC |
| 2024/0003,095 | WET CELLULOSE FIBER SHEET AND METHOD FOR PRODUCING CELLULOSE FIBER MOLDED BODY | Dec 01, 21 | Jan 04, 24 | Daio Paper Corporation |
| 2022/0282,429 | COMPOSTABLE PAPERBOARD FOR PRESSWARE PRODUCTS | Jan 04, 22 | Sep 08, 22 | Not available |
| 2022/0098,798 | CELLULOSE FIBERS, CELLULOSE FIBER-CONTAINING MATERIAL, MOLDED BODY, AND METHOD FOR PRODUCING CELLULOSE FIBERS | Dec 25, 19 | Mar 31, 22 | OJI HOLDINGS CORPORATION |
| 2021/0131,039 | BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS | Oct 29, 20 | May 06, 21 | Not available |
| 2020/0181,849 | IMPROVED PULP DISPOSABLE TRAY | Sep 14, 17 | Jun 11, 20 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 23 Months (last 2 years Issuances)
- 23 Months (last 5 years Issuances)