Description
Class D21F : PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
Subclass 1/00: Wet end of machines for making continuous webs of paper
D21F 1/00
Sub-Class
Stats
- 324 US PATENTS IN FORCE
- 49 US APPLICATIONS PENDING
- 68 Total Patent Owners
- 971 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12241204 | Laminated papermaking belt | Jun 23, 22 | Mar 04, 25 | Kimberly Clark Worldwide Inc. |
| 12215463 | Process for producing paper or board and a product thereof | May 22, 19 | Feb 04, 25 | Kemira Oyj |
| 12188178 | Structured fabric with discrete elements | Dec 07, 22 | Jan 07, 25 | Voith Patent GmbH |
| 12180653 | Woven papermaking fabric having converging, diverging or merging topography | Aug 03, 22 | Dec 31, 24 | Kimberly Clark Worldwide Inc. |
| 12168850 | Fabric tape | Jul 01, 23 | Dec 17, 24 | Voith Patent GmbH |
| 12163285 | Unitary deflection member for making fibrous structures having increased surface area and process for making same | Jun 07, 23 | Dec 10, 24 | The Procter & Gamble Company |
| 12157974 | Paper production | Oct 09, 20 | Dec 03, 24 | BillerudKorsnas AB |
| 12146263 | Dewatering box cover | Jun 02, 21 | Nov 19, 24 | FIRST QUALITY TISSUE, LLC |
| 12129599 | Pressure screen for a fiber web product process with removable cover | Aug 22, 23 | Oct 29, 24 | Valmet Technologies, Inc. |
| 12077913 | Paper machine clothing | Feb 04, 21 | Sep 03, 24 | Voith Patent GmbH |
| 12043960 | Laminated paper machine clothing | Nov 08, 22 | Jul 23, 24 | FIRST QUALITY TISSUE SE, LLC |
| 12006604 | Apparatus for forming a substrate | May 28, 21 | Jun 11, 24 | Not available |
| 12006628 | System and method of producing micro fibrillated cellulose (MFC) | Dec 20, 22 | Jun 11, 24 | VALMET TECHNOLOGIES OY |
| 12006630 | Belt or fabric including polymeric layer for papermaking machine | Nov 16, 22 | Jun 11, 24 | STRUCTURED I, LLC |
| 11988426 | Refrigerant charging method | Sep 20, 19 | May 21, 24 | DAIKIN INDUSTRIES, LTD. |
| 11931997 | Woven base fabric with laser energy absorbent MD and CD yarns and tissue product made using the same | May 22, 20 | Mar 19, 24 | FIRST QUALITY TISSUE SE, LLC |
| 11913170 | Former of water laid asset that utilizes a structured fabric as the outer wire | Jul 22, 21 | Feb 27, 24 | STRUCTURED I, LLC |
| 11905661 | Paper pulp pressure screen | Feb 09, 23 | Feb 20, 24 | Not available |
| 11858198 | Methods of making a deflection member | Oct 28, 22 | Jan 02, 24 | The Procter & Gamble Company |
| 11820071 | Methods of making a deflection member | Jan 27, 23 | Nov 21, 23 | The Procter & Gamble Company |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0052,003 | DEWATERING BOX COVER | Oct 24, 24 | Feb 13, 25 | Not available |
| 2024/0426,053 | SHEET MANUFACTURING APPARATUS | Jun 21, 24 | Dec 26, 24 | Not available |
| 2024/0410,112 | SHEET MANUFACTURING APPARATUS AND CLEANING DEVICE | Jun 10, 24 | Dec 12, 24 | Not available |
| 2024/0368,836 | PAPERMAKING MACHINE THAT UTILIZES ONLY A STRUCTURED FABRIC IN THE FORMING OF PAPER | Jul 09, 24 | Nov 07, 24 | Not available |
| 2024/0301,625 | BELT OR FABRIC INCLUDING POLYMERIC LAYER FOR PAPERMAKING MACHINE | May 17, 24 | Sep 12, 24 | Not available |
| 2024/0279,856 | APPARATUS FOR FORMING A SUBSTRATE | May 03, 24 | Aug 22, 24 | Not available |
| 2024/0279,873 | PAPER MACHINE CLOTHING AND USE OF SUCH A CLOTHING | Jun 03, 22 | Aug 22, 24 | Not available |
| 2024/0181,742 | WOVEN BASE FABRIC WITH LASER ENERGY ABSORBENT MD AND CD YARNS AND TISSUE PRODUCT MADE USING THE SAME | Feb 15, 24 | Jun 06, 24 | Not available |
| 2024/0066,789 | METHODS OF MAKING A DEFLECTION MEMBER | Nov 10, 23 | Feb 29, 24 | Not available |
| 2024/0068,163 | Seamless Unitary Deflection Member for Making Fibrous Structures Having Increased Surface Area and Process for Making Same | Aug 17, 23 | Feb 29, 24 | Not available |
| 2024/0068,167 | PAPERMAKING BELT | Aug 21, 23 | Feb 29, 24 | ICHIKAWA CO., LTD. |
| 2024/0018,718 | FABRIC TAPE | Jul 04, 23 | Jan 18, 24 | Not available |
| 2023/0398,731 | METHODS OF MAKING A DEFLECTION MEMBER | Aug 25, 23 | Dec 14, 23 | Not available |
| 2023/0151,544 | Deflecting Member for Making Fibrous Structures | Jan 23, 23 | May 18, 23 | Not available |
| 2023/0142,418 | WET NON-WOVEN FABRIC, PREPARATION METHOD THEREFOR AND WATER TREATMENT MEMBRANE CONTAINING WET NON-WOVEN FABRIC | Dec 30, 19 | May 11, 23 | Shenzhen Senior Technology Material Co., Ltd. |
| 2023/0086,146 | DEFLECTING MEMBER FOR MAKING FIBROUS STRUCTURES | Sep 29, 22 | Mar 23, 23 | Not available |
| 2023/0048,963 | Triple Papermaking Fabric | Jan 15, 21 | Feb 16, 23 | Not available |
| 2023/0014,807 | PAPERMAKING MACHINE THAT UTILIZES ONLY A STRUCTURED FABRIC IN THE FORMING OF PAPER | Sep 23, 22 | Jan 19, 23 | Not available |
| 2022/0259,804 | WOUND CLOTHING | Jun 19, 20 | Aug 18, 22 | Not available |
| 2021/0348,333 | FORMER OF WATER LAID ASSET THAT UTILIZES A STRUCTURED FABRIC AS THE OUTER WIRE | Jul 22, 21 | Nov 11, 21 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 28 Months (last 2 years Issuances)
- 28 Months (last 5 years Issuances)