D21H 23/40
Only one side of the paper being in contact with the material
Official title: only one side of the paper being in contact with the material (D21H23/34 takes precedence)
D21H23/40 (Only one side of the paper being in contact with the material) appears on 45 US grants and 7 published applications in this corpus.
Search patents in D21H- Granted patents
- 45
- Published applications
- 7
- Assignees
- 20
- Inventors
- 73
- Latest grant
- 21 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- CF paper21 Jul 2020US 10,718,089 B2Papierfabrik August Koehler SE
- Application device30 Sep 2003US 6,626,127 B2Voith Paper Patent GmbH
- Device for the direct or indirect application of a liquid or viscid coating medium onto a moving material web16 Apr 2002US 6,372,046 B1Voith Sulzer Papiertechnik Patent GmbH
- Applicator for application of coating color on a paper web12 Dec 1995US 5,474,608 AJ. M. Voith GmbH
- Roll-coating machine for applying coating colors onto a paper web6 Dec 1994US 5,370,735 AJ. M. Voith GmbH
- Microfibrillated coating compositions, processes and applicators therefor6 Oct 2022US 2022/0316140 A1FiberLean Technologies Limited
- Cf paper27 Apr 2017US 2017/0114502 A1Papierfabrik August Koehler SE
- Method for producing a printable single or multi-layered material web as well as a material web produced in this manner and an associated installation for producing such a material web10 Mar 2016US 2016/0069028 A1Schattdecor AG
- Mold release sheet and molded articles3 Feb 2011US 2011/0027534 A1
- Device for Applying a Coating Material to a Paper Web8 May 2008US 2008/0105197 A1
Most cited
By later US patents
- Paper coating apparatus37US 4,512,279 AConsolidated Papers, Inc. · 1985
- Coating method and apparatus37US 4,537,801 AFuji Photo Film Co., Ltd. · 1985
- Device for coating webs of material traveling over a backing roll to a controlled thickness37US 4,688,516 AJagenberg Aktiengesellschaft · 1987
- Apparatus for coating a web34US 4,757,782 AValmet Corporation · 1988
- Blade type fountain coater and method31US 4,405,661 ABeloit Corporation · 1983