D21G 1/0073
Accessories for calenders
Official title: {Accessories for calenders}
D21G1/0073 (Accessories for calenders) appears on 169 US grants and 91 published applications in this corpus.
Search patents in D21G- Granted patents
- 169
- Published applications
- 91
- Assignees
- 69
- Inventors
- 245
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 15 | 5 |
| 2002 | 13 | 4 |
| 2003 | 8 | 19 |
| 2004 | 10 | 9 |
| 2005 | 12 | 9 |
| 2006 | 9 | 6 |
| 2007 | 5 | 1 |
| 2008 | 6 | 6 |
| 2009 | 1 | 2 |
| 2010 | 3 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 3 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 4 |
| 2017 | 2 | 2 |
| 2018 | 3 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 4 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for producing or treating a web of fibrous material14 Apr 2026US 12,601,116 B2Voith Patent GmbH
- Calender and method for treating web-like materials3 Mar 2026US 12,565,724 B2Futura S.P. A.
- Arrangement and method for measuring the temperature of a web, as well as a method for performing the steps of the measuring the temperature29 Oct 2024US 12,130,184 B2Ircon Drying Systems AB
- Manufacturing line for nonwoven fabric28 May 2024US 11,993,878 B2Suominen Corporation
- Apparatus and method for realizing a web of fibrous material19 Jul 2022US 11,390,994 B2
- Fiber body production apparatus and fiber body production method12 Mar 2026US 2026/0071383 A1Seiko Epson Corporation
- Method for rewetting a web made from paper, and plant22 May 2025US 2025/0163650 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
- Sleeve-Change Calender for Rotary Embossing of a Multi-Ply Tissue Web2 Jan 2025US 2025/0001718 A1Matthews International Corporation
- Calender and method for treating web-like meterials16 May 2024US 2024/0158975 A1Futura S.P. A.
- Method and device for producing or treating a web of fibrous material14 Mar 2024US 2024/0084509 A1Voith Patent GmbH
Most cited
By later US patents
- Paper products and methods and systems for manufacturing such products66US 7,867,358 B2Xyleco, Inc. · 2011
- Cross-direction actuator and control system with adaptive footprint58US 7,513,975 B2Honeywell International Inc. · 2009
- Apparatus for handling web material, and method47US 4,179,330 A1979
- Method and apparatus for high density paper39US 5,316,624 AStone-Consolidated Inc. · 1994
- Method in calendering of a paper web and a calendar that makes use of the method39US 5,483,873 AValmet Paper Machinery Inc. · 1996