Description
Class D21G : CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
Subclass 9/00: Other accessories for paper-making machines
D21G 9/00
Sub-Class
Stats
- 221 US PATENTS IN FORCE
- 64 US APPLICATIONS PENDING
- 42 Total Patent Owners
- 850 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264436 | Sheet manufacturing apparatus | Mar 28, 23 | Apr 01, 25 | SEIKO EPSON CORPORATION |
| 12264437 | Fiber body manufacturing apparatus and defibrating device | Jan 05, 23 | Apr 01, 25 | SEIKO EPSON CORPORATION |
| 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 |
| 12180655 | Monitoring apparatus and monitoring method | Mar 25, 21 | Dec 31, 24 | VALMET AUTOMATION OY |
| 12174612 | Estimating risk level in an aqueous process | Jun 17, 20 | Dec 24, 24 | Kemira Oyj |
| 12157975 | Controlling the slice flow of a slurry through a headbox | Apr 09, 21 | Dec 03, 24 | Andritz, Inc. |
| 12139851 | Fiber body manufacturing method and fiber body manufacturing apparatus | Mar 29, 21 | Nov 12, 24 | SEIKO EPSON CORPORATION |
| 12116728 | Rotating pulp suction and robot transfer molding machine and molding method | May 09, 22 | Oct 15, 24 | SHURCON MANUFACTURING (ZHEJIANG) CO., LTD. |
| 12104322 | Method and a system for a Yankee cylinder in a tissue machine | Jun 11, 20 | Oct 01, 24 | Valmet Aktiebolag |
| 12091272 | Method for transporting a tail end in a fiber web machine from one structural section to another, and also an apparatus and the use of it | Dec 27, 22 | Sep 17, 24 | Runtech Systems Oy |
| 12077914 | Method and apparatus for measuring and removing rotational variability from a nip pressure profile of a covered roll of a nip press | Apr 18, 23 | Sep 03, 24 | International Paper Company |
| 12006628 | System and method of producing micro fibrillated cellulose (MFC) | Dec 20, 22 | Jun 11, 24 | VALMET TECHNOLOGIES OY |
| 12006632 | Monitoring system | Oct 01, 19 | Jun 11, 24 | Maintech Co. Ltd. |
| 11946203 | Device and method for transferring a strip of a web | Feb 10, 20 | Apr 02, 24 | Andritz AG |
| 11932991 | Systems and methods for monitoring and controlling industrial processes | Jun 21, 23 | Mar 19, 24 | Industrial Video Solutions Inc. |
| 11926963 | Method for determining the dryness of a fibrous web, and method for controlling or regulating a machine for producing a paper web, and computer program for carrying out the methods | Nov 20, 18 | Mar 12, 24 | Voith Patent GmbH |
| 11859347 | Method for predicting or controlling microbial status of a paper or board making process | Dec 07, 18 | Jan 02, 24 | Kemira Oyj |
| 11834786 | Method and apparatus for controlling a fiber fractionation system | Dec 14, 20 | Dec 05, 23 | International Paper Company |
| 11828024 | System, control system, an inspection system, and a method of controlling and cleaning a steam box | Mar 23, 22 | Nov 28, 23 | IBS of AMERICA |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,553 | METHOD OF CONTROLLING SHEET MANUFACTURING APPARATUS | Sep 30, 24 | Apr 03, 25 | Not available |
| 2025/0092,602 | CONTINUOUS PAPERMAKING MACHINES AND METHODS FOR CONTINUOUS PAPERMAKING | Apr 14, 23 | Mar 20, 25 | Not available |
| 2025/0051,123 | METHOD FOR TRANSPORTING A TAIL END IN A FIBER WEB MACHINE FROM ONE STRUCTURAL SECTION TO ANOTHER, AND ALSO AN APPARATUS AND THE USE OF IT | Aug 16, 24 | Feb 13, 25 | Not available |
| 2025/0034,814 | EMBOSSING DEVICE FOR EMBOSSING A CELLULOSE WEB MATERIAL AND RELATED METHOD | Dec 05, 22 | Jan 30, 25 | Valmet Tissue Converting S.p.A. |
| 2025/0029,231 | METHOD FOR ADJUSTMENT OF A COMPONENT | Oct 09, 24 | Jan 23, 25 | Not available |
| 2025/0027,272 | METHOD OF CONTROLLING SHEET MANUFACTURING APPARATUS | Jul 17, 24 | Jan 23, 25 | Not available |
| 2025/0020,502 | Roll Weight System for On Machine Dynamic Verification | Jul 12, 23 | Jan 16, 25 | Not available |
| 2025/0012,012 | METHODS, DEVICES, AND SYSTEMS FOR SEAL STRIP ZONE MODULE STRIP POSITION DETERMINATION | Jul 06, 23 | Jan 09, 25 | Not available |
| 2024/0401,273 | METHOD AND APPARATUS FOR MEASURING AND REMOVING ROTATIONAL VARIABILITY FROM A NIP PRESSURE PROFILE OF A COVERED ROLL OF A NIP PRESS | Aug 16, 24 | Dec 05, 24 | Not available |
| 2024/0384,469 | Mini-Scan for Dynamic Correlation | May 19, 23 | Nov 21, 24 | Not available |
| 2024/0368,838 | PAPERMAKING MACHINE THAT UTILIZES ONLY A STRUCTURED FABRIC IN THE FORMING OF PAPER | Jul 09, 24 | Nov 07, 24 | Not available |
| 2024/0328,087 | Control of Papermaking Processes with Respect to Square Point Conditions | Apr 16, 21 | Oct 03, 24 | ABB Schweiz AG |
| 2024/0299,988 | APPARATUS AND METHOD FOR AUTOMATED INSPECTION OF MOLDED PULP AND OTHER BATCH-PRODUCED PRODUCTS | Mar 06, 24 | Sep 12, 24 | Not available |
| 2024/0198,618 | Method for Monitoring the Quality Properties of a Cellulose Bale in a Bale Line | Mar 28, 22 | Jun 20, 24 | Not available |
| 2024/0200,269 | METHOD AND DEVICE FOR MONITORING AND REGULATING A WALL THICKNESS DISTRIBUTION IN A PRODUCTION PROCESS OF CONTAINERS COMPRISING FIBERS, CONTAINER COMPRISING FIBERS AND DEVICE FOR PRODUCING A CONTAINER COMPRISING FIBERS | Dec 18, 23 | Jun 20, 24 | Not available |
| 2024/0200,276 | DEVICE AND METHOD FOR SIMULTANEOUSLY PRODUCING A PLURALITY OF CONTAINERS COMPRISING FIBERS | Dec 19, 23 | Jun 20, 24 | Not available |
| 2024/0191,432 | Set for Maintenance of a Doctor Blade in a Fiber Web Machine and Doctor Arrangement in a Fiber Web Machine | Dec 04, 23 | Jun 13, 24 | Valmet Technologies, Inc. |
| 2024/0186,552 | CARBON SHEET, METHOD FOR MANUFACTURING SAME, GAS DIFFUSION ELECTRODE, AND FUEL CELL | Mar 18, 22 | Jun 06, 24 | TORAY INDUSTRIES, INC. |
| 2024/0150,146 | REEL EDITOR FOR PRE-PRINT PAPER, SHEET, AND BOX MANUFACTURING SYSTEMS | Oct 06, 23 | May 09, 24 | Not available |
| 2024/0141,568 | METHOD FOR PRODUCING AIR-LAID PRODUCTS | Jan 08, 24 | May 02, 24 | Voith Patent GmbH |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 26 Months (last 2 years Issuances)
- 26 Months (last 5 years Issuances)