D21F 5/048
In combination with other heating means
Official title: {in combination with other heating means}
D21F5/048 (In combination with other heating means) appears on 28 US grants and 14 published applications in this corpus.
Search patents in D21F- Granted patents
- 28
- Published applications
- 14
- Assignees
- 11
- Inventors
- 33
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 1 |
| 2020 | 4 | 4 |
| 2021 | 3 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fibrous structures4 Aug 2026US 12,698,594 B2The Procter & Gamble Company
- Creped fibrous structures15 Jul 2025US 12,359,376 B2The Procter & Gamble Company
- Fibrous structures30 Apr 2024US 11,970,818 B2The Procter & Gamble Company
- Fibrous structures23 Jan 2024US 11,879,215 B2The Procter & Gamble Company
- Method and apparatus for producing a fiber web21 Feb 2023US 11,585,047 B2Teknologian tutkimuskeskus VTT Oy
- Fibrous Structures11 Jul 2024US 2024/0229357 A1The Procter & Gamble Company
- Creped fibrous structures26 Jan 2023US 2023/0027102 A1The Procter & Gamble Company
- Fibrous Structures9 Jun 2022US 2022/0178076 A1The Procter & Gamble Company
- Fibrous structures3 Mar 2022US 2022/0064866 A1The Procter & Gamble Company
- Method and apparatus for producing a fibre web27 May 2021US 2021/0156089 A1Teknologian tutkimuskeskus VTT Oy
Most cited
By later US patents
- Method for drying a surface-treated paper web in an after-dryer of a paper machine and after-dryer of a paper machine38US 5,968,590 AValmet Corporation · 1999
- Method and apparatus for eliminating wet streaks in fibrous sheets or webs by infra-red radiation19US 4,188,731 A1980
- Method and apparatus for the rapid consolidation and/or drying of moist porous webs16US 4,788,779 APulp and Paper Research Institute of Canada · 1988
- Methods for drying a paper web16US 5,630,285 AValmet Corporation · 1997
- Apparatus for drying roll material15US 5,291,666 AInternational Paper Company · 1994