D21F 7/006
Cutting the edges of the paper-web
Official title: {Cutting the edges of the paper-web}
D21F7/006 (Cutting the edges of the paper-web) appears on 45 US grants and 35 published applications in this corpus.
Search patents in D21F- Granted patents
- 45
- Published applications
- 35
- Assignees
- 29
- Inventors
- 82
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 4 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 5 |
| 2016 | 4 | 3 |
| 2017 | 1 | 2 |
| 2018 | 4 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet manufacturing apparatus14 Nov 2023US 11,814,791 B2Seiko Epson Corporation
- Sheet manufacturing apparatus and sheet manufacturing method12 Sep 2023US 11,753,768 B2Seiko Epson Corporation
- Paper making machine and a method of cutting a fibrous web in a paper making machine20 Dec 2022US 11,530,515 B2Valmet Aktiebolag
- Learning device, fibrous feedstock recycling apparatus, learning method, and storage medium that stably transports transport target matter29 Nov 2022US 11,511,554 B2Seiko Epson Corporation
- Hopper and cutting process device19 Jul 2022US 11,390,993 B2Seiko Epson Corporation
- Sheet production apparatus and sheet production method of sheet production apparatus22 Jan 2026US 2026/0022516 A1Seiko Epson Corporation
- Sheet manufacturing apparatus and sheet manufacturing method17 Nov 2022US 2022/0364306 A1Seiko Epson Corporation
- Sheet manufacturing apparatus31 Mar 2022US 2022/0098792 A1Seiko Epson Corporation
- Sheet manufacturing apparatus and control method for sheet manufacturing apparatus23 Sep 2021US 2021/0292970 A1Seiko Epson Corporation
- A paper making machine and a method of cutting a fibrous web in a paper making machine20 May 2021US 2021/0148050 A1Valmet Aktiebolag
Most cited
By later US patents
- Adjustable orifice air knife29US 4,270,702 AAlbany International Corp. · 1981
- Method of treating the edges of a fiber web14US 5,507,916 AJ. M. Voith GmbH · 1996
- Strip material transporting apparatus11US 4,422,565 ACrown Zellerbach Corporation · 1983
- Method for cutting out an edge of a web in a paper machine11US 5,571,381 AMetsa-Serla Oy · 1996
- Method and apparatus for reducing the energy consumed when drying a paper web7US 4,560,438 AKMW Aktiebolag · 1985