D21F 5/006
Drying webs by using sonic vibrations
Official title: {Drying webs by using sonic vibrations}
D21F5/006 (Drying webs by using sonic vibrations) appears on 20 US grants and 4 published applications in this corpus.
Search patents in D21F- Granted patents
- 20
- Published applications
- 4
- Assignees
- 6
- Inventors
- 25
- Latest grant
- 26 Nov 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 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 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Indirect acoustic drying system and method26 Nov 2019US 10,488,108 B2Heat Technologies, Inc.
- Dryer section and method for drying a web of fibrous material, and machine having such a dryer section26 Dec 2017US 9,851,146 B2Papierfabrik August Koehler SE
- Process and apparatus for removing water from materials using oscillatory flow-reversing gaseous media29 Oct 2002US 6,470,597 B1Institute of Paper Science and Technology, Inc.
- Process and apparatus for removing water from fibrous web using oscillatory flow-reversing air or gas28 May 2002US 6,393,719 B1The Procter & Gamble Company
- Process for removing water from fibrous web using oscillatory flow-reversing air or gas30 Oct 2001US 6,308,436 B1The Procter & Gamble Company
- Drying device and method of drying an item7 Dec 2023US 2023/0392863 A1
- Indirect acoustic drying system and method7 Jan 2016US 2016/0003541 A1Heat Technologies, Inc.
- Dryer section and method for drying a web of fibrous material, and machine having such a dryer section3 Sep 2015US 2015/0247669 A1Papierfabrik August Koehler SE
- Acoustic drying system with peripheral exhaust channel5 Jun 2014US 2014/0150285 A1
Most cited
By later US patents
- Water-removing apparatus for papermaking process35US 6,085,437 AThe Procter & Gamble Company · 2000
- Process and apparatus for removing water from fibrous web using oscillatory flow-reversing air or gas32US 6,393,719 B1The Procter & Gamble Company · 2002
- Apparatus for removing liquid from liquid bearing material31US 4,057,482 A1977
- Method used in paper making for treatment of a weave30US 4,391,672 AValmet Corporation · 1983
- Process for removing water from fibrous web using oscillatory flow-reversing air or gas27US 6,308,436 B1The Procter & Gamble Company · 2001