D21G 9/0063
Devices for threading a web tail through a paper-making machine
Official title: {Devices for threading a web tail through a paper-making machine}
D21G9/0063 (Devices for threading a web tail through a paper-making machine) appears on 284 US grants and 121 published applications in this corpus.
Search patents in D21G- Granted patents
- 284
- Published applications
- 121
- Assignees
- 76
- Inventors
- 397
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 18 | 0 |
| 1999 | 17 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 6 |
| 2002 | 19 | 13 |
| 2003 | 11 | 15 |
| 2004 | 9 | 21 |
| 2005 | 10 | 11 |
| 2006 | 8 | 9 |
| 2007 | 9 | 6 |
| 2008 | 6 | 1 |
| 2009 | 6 | 12 |
| 2010 | 4 | 3 |
| 2011 | 4 | 2 |
| 2012 | 6 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 4 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 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 it17 Sep 2024US 12,091,272 B2Runtech Systems Oy
- Device and method for transferring a strip of a web2 Apr 2024US 11,946,203 B2Andritz Inc.
- Web air threading system and methods of use4 Jul 2023US 11,692,311 B2
- 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 it27 Dec 2022US 11,535,474 B2Runtech Systems Oy
- Paper making machine and a method of cutting a fibrous web in a paper making machine20 Dec 2022US 11,530,515 B2Valmet Aktiebolag
- Sheet manufacturing apparatus and method of manufacturing sheets29 May 2025US 2025/0171961 A1Seiko Epson Corporation
- Sheet manufacturing apparatus3 Apr 2025US 2025/0109552 A1Seiko Epson Corporation
- Method of controlling sheet manufacturing apparatus3 Apr 2025US 2025/0109553 A1Seiko Epson Corporation
- 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 it13 Feb 2025US 2025/0051123 A1Runtech Systems Oy
- 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 it4 May 2023US 2023/0132680 A1Runtech Systems Oy
Most cited
By later US patents
- Method for improved rush transfer to produce high bulk without macrofolds122US 5,830,321 AKimberly-Clark Worldwide, Inc. · 1998
- Method and device for enhancing the run of a paper web in a paper machine80US 5,865,955 AValmet Corporation · 1999
- Wet crepe throughdry process for making absorbent sheet and novel fibrous product55US 6,752,907 B2Georgia-Pacific Corporation · 2004
- Wet crepe throughdry process for making absorbent sheet and novel fibrous products54US 7,691,228 B2Georgia-Pacific Consumer Products LP · 2010
- Wet crepe throughdry process for making absorbent sheet and novel fibrous products51US 7,160,418 B2Georgia-Pacific Corporation · 2007