D21F 2/00
Transferring continuous webs from wet ends to press sections
D21F2/00 (Transferring continuous webs from wet ends to press sections) appears on 115 US grants and 58 published applications in this corpus.
Search patents in D21F- Granted patents
- 115
- Published applications
- 58
- Assignees
- 46
- Inventors
- 191
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 3 |
| 2018 | 1 | 2 |
| 2019 | 4 | 8 |
| 2020 | 3 | 6 |
| 2021 | 6 | 3 |
| 2022 | 1 | 4 |
| 2023 | 4 | 4 |
| 2024 | 4 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet manufacturing apparatus4 Aug 2026US 12,698,592 B2Seiko Epson Corporation
- Pulp molding production line and processing method thereof1 Apr 2025US 12,264,435 B2Shurcon Manufacturing, Inc.
- Pulp molding production line and processing method10 Sep 2024US 12,084,812 B2
- Transfer device applied to robotic arm and production line for pulp molding20 Aug 2024US 12,065,783 B2
- Transfer device applied to pulp molded manipulator, and production line9 Jul 2024US 12,031,271 B2Shurcon Manufacturing, Inc.
- Sheet manufacturing apparatus and sheet manufacturing method11 Jun 2026US 2026/0160020 A1Seiko Epson Corporation
- Sheet manufacturing apparatus and sheet production method4 Dec 2025US 2025/0369186 A1Seiko Epson Corporation
- Sheet manufacturing apparatus9 Oct 2025US 2025/0314013 A1Seiko Epson Corporation
- Sheet manufacturing apparatus26 Dec 2024US 2024/0426054 A1Seiko Epson Corporation
- Pulp molding production line and processing method thereof5 Oct 2023US 2023/0313459 A1Be Green Packaging Co., Ltd.
Most cited
By later US patents
- Wet-microcontracted paper and concomitant process377US 4,440,597 AThe Procter & Gamble Company · 1984
- Method for improved rush transfer to produce high bulk without macrofolds122US 5,830,321 AKimberly-Clark Worldwide, Inc. · 1998
- Method and apparatus of sheet transfer using a nonporous smooth surfaced belt93US 4,483,745 ABeloit Corporation · 1984
- Closed draw transfer system with gaseous pressure direction of web59US 3,981,084 AFort Howard Paper Company · 1976
- Transfer system and process for making a stretchable fibrous web and article produced thereof58US 5,725,734 AKimberly-Clark Corporation · 1998