Description
Class D21G : CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
Subclass 1/00: Calenders (if restricted to the treatment of particular materials, see the relevant place, e.g. B29C 43/24, D06); Smoothing apparatus
D21G 1/00
Sub-Class
Stats
- 85 US PATENTS IN FORCE
- 8 US APPLICATIONS PENDING
- 31 Total Patent Owners
- 345 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12152345 | Method for the production of a coated paper, paperboard or film and a coated paper, paperboard or film | Apr 12, 19 | Nov 26, 24 | Stora Enso Oyj |
| 12130184 | Arrangement and method for measuring the temperature of a web, as well as a method for performing the steps of the measuring the temperature | Jun 16, 20 | Oct 29, 24 | Ircon Drying Systems AB |
| 12123146 | High strength and low stiffness hesperaloe tissue | Aug 22, 23 | Oct 22, 24 | Kimberly Clark Worldwide Inc. |
| 12042832 | Segmental calendering device for flexible flat cable | Sep 12, 19 | Jul 23, 24 | Changshu Hongbo Telecommunication Technology Co., Ltd. |
| 12031272 | Calender for the treatment of web-like materials | Feb 18, 20 | Jul 09, 24 | Futura S.P.A. |
| 11993878 | Manufacturing line for nonwoven fabric | Sep 30, 20 | May 28, 24 | SUOMINEN CORPORATION |
| 11913170 | Former of water laid asset that utilizes a structured fabric as the outer wire | Jul 22, 21 | Feb 27, 24 | STRUCTURED I, LLC |
| 11773539 | High strength and low stiffness hesperaloe tissue | Dec 21, 22 | Oct 03, 23 | Kimberly Clark Worldwide Inc. |
| 11655571 | Nonwoven web and method of making same | Sep 30, 19 | May 23, 23 | Reifenhaeuser GmbH & Co. KG Maschinenfabrik |
| 11566379 | High strength and low stiffness hesperaloe tissue | Feb 05, 21 | Jan 31, 23 | Kimberly Clark Worldwide Inc. |
| 11549215 | Method and device for the treatment of a product web | Mar 19, 18 | Jan 10, 23 | ANDRITZ KUESTERS GMBH |
| 11390994 | Apparatus and method for realizing a web of fibrous material | Jul 28, 20 | Jul 19, 22 | Not available |
| 11384481 | Calender, and floor production line and production method | Feb 05, 20 | Jul 12, 22 | QINGDAO SANYI PLASTIC MACHINERY CO., LTD. (CN) |
| 11339535 | Method of producing a highly stretchable paper | Apr 05, 18 | May 24, 22 | BillerudKorsnäs AB |
| 11298725 | Sheet manufacturing apparatus | Aug 21, 17 | Apr 12, 22 | SEIKO EPSON CORPORATION |
| 11098448 | Former of water laid asset that utilizes a structured fabric as the outer wire | Aug 12, 19 | Aug 24, 21 | STRUCTURED I, LLC |
| 10947673 | High strength and low stiffness hesperaloe tissue | Dec 02, 19 | Mar 16, 21 | KIMBERLY-CLARK WORLDWIDE, INC. |
| 10927504 | Microfibrillated film | Jun 20, 17 | Feb 23, 21 | Stora Enso Oyj |
| 10724178 | Apparatus and method for realizing a web of fibrous material | Jun 08, 18 | Jul 28, 20 | Not available |
| 10619308 | Paper products and methods and systems for manufacturing such products | Jul 13, 18 | Apr 14, 20 | Xyleco, Inc. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,554 | METHOD FOR POST-PROCESSING OF A PRODUCT, ESPECIALLY PAPER OR PAPERBOARD, WHICH HAS BEEN FABRICATED FROM PULP CONTAINING LIGNIN | Dec 12, 22 | Apr 03, 25 | Not available |
| 2025/0001,718 | Sleeve-Change Calender for Rotary Embossing of a Multi-Ply Tissue Web | Aug 18, 22 | Jan 02, 25 | Not available |
| 2024/0158,975 | CALENDER AND METHOD FOR TREATING WEB-LIKE METERIALS | Feb 08, 22 | May 16, 24 | Not available |
| 2024/0084,509 | METHOD AND DEVICE FOR PRODUCING OR TREATING A WEB OF FIBROUS MATERIAL | Nov 21, 23 | Mar 14, 24 | Voith Patent GmbH |
| 2024/0076,833 | ROLL COVER AND ROLL | Nov 07, 23 | Mar 07, 24 | Voith Patent GmbH |
| 2024/0018,724 | METHOD FOR PRODUCING A CELLULOSE-FIBRE-BASED DRINKING STRAW | Jul 06, 21 | Jan 18, 24 | Mondi AG |
| 2022/0325,475 | CALENDER AND METHOD FOR CONTROLLING SUCH A CALENDER | Sep 21, 20 | Oct 13, 22 | ING. GERRITSE HOLDING B.V. |
| 2015/0051,318 | ROLL COVER PRODUCTION METHOD AND ROLL COVER | Mar 22, 13 | Feb 19, 15 | VOITH PATENT GMBH |
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)