D21F 7/12
Drying
D21F7/12 (Drying) appears on 97 US grants and 90 published applications in this corpus.
Search patents in D21F- Granted patents
- 97
- Published applications
- 90
- Assignees
- 45
- Inventors
- 159
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 7 |
| 2016 | 8 | 8 |
| 2017 | 2 | 14 |
| 2018 | 10 | 7 |
| 2019 | 5 | 9 |
| 2020 | 10 | 5 |
| 2021 | 7 | 13 |
| 2022 | 6 | 5 |
| 2023 | 8 | 3 |
| 2024 | 5 | 3 |
| 2025 | 4 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extended nip press apparatus1 Jul 2025US 12,344,995 B2Occendo AB
- Endless woven dryer fabric for papermaking machine22 Apr 2025US 12,281,440 B2Huyck Licensco, Inc.
- Method for spraying chemical solution25 Mar 2025US 12,258,709 B2Maintech Co., Ltd.
- Laminated papermaking belt4 Mar 2025US 12,241,204 B2Kimberly-Clark Worldwide, Inc.
- Systems and methods for cleaning composite laminated imprinting fabrics10 Dec 2024US 12,163,286 B2First Quality Tissue, LLC
- Dewatering box cover6 Aug 2026US 2026/0226681 A1First Quality Tissue, LLC
- Device for dewatering or cleaning a fabric in a paper machine, and paper machine comprising such a device19 Jun 2025US 2025/0198085 A1Valmet Corporation
- An extended nip press apparatus27 Mar 2025US 2025/0101682 A1Occzendo AB
- Dewatering box cover13 Feb 2025US 2025/0052003 A1First Quality Tissue, LLC
- Dewatering box cover13 Feb 2025US 2025/0052004 A1First Quality Tissue, LLC
Most cited
By later US patents
- Soft, absorbent sheets having high absorbency and high caliper, and methods of making soft, absorbent sheets44US 9,611,591 B2Georgia-Pacific Consumer Products LP · 2017
- Constant vacuum felt dewatering system36US 4,329,201 AAlbany International Corp. · 1982
- Method used in paper making for treatment of a weave30US 4,391,672 AValmet Corporation · 1983
- Adjustable orifice air knife29US 4,270,702 AAlbany International Corp. · 1981
- Vacuum control system and method for dewatering fabrics26US 4,398,996 AAlbany International Corp. · 1983