D21H 23/36
Knife or blade forming part of the fluid reservoir
Official title: Knife or blade forming part of the fluid reservoir, e.g. puddle-type trailing blade {or short-dwell coaters}
D21H23/36 (Knife or blade forming part of the fluid reservoir) appears on 68 US grants and 13 published applications in this corpus.
Search patents in D21H- Granted patents
- 68
- Published applications
- 13
- Assignees
- 34
- Inventors
- 126
- Latest grant
- 27 Mar 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Folded sealing blade for a coating applicator27 Mar 2018US 9,925,555 B2Valmet Technologies Oy
- Online treated sealable and peelable medical paper for medical sterilization packaging12 Sep 2017US 9,758,931 B2Mondi AG
- Cooling system and method for a paper coating device in a papermaking apparatus14 Apr 2009US 7,517,407 B2Hansol Paper Co., Ltd.
- Die lip for strip coating25 Nov 2008US 7,455,897 B23M Innovative Properties Company
- Die lip for strip coating12 Oct 2004US 6,803,076 B23M Innovative Properties Company
- Production of sheets comprising fibrillated cellulose11 Aug 2022US 2022/0251784 A1Billerudkorsnas AB
- Flexible material, its production method and uses17 Jun 2021US 2021/0179867 A1Tintex - Textiles, S.A
- Coating device and coating method11 Jul 2019US 2019/0210057 A1FUJIFILM Corporation
- Sealing Blade10 Aug 2017US 2017/0225187 A1Valmet Technologies Oy
- 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
Most cited
By later US patents
- Doctor blade for use in coating continuous strips of material or similar substrates88US 5,520,731 AZanders Feinpapiere AG · 1996
- Paper coating method and apparatus65US 4,250,211 AConsolidated Papers, Inc. · 1981
- Doctor blade assembly with rotary end seals and interchangeable heads44US 4,821,672 A1989
- Method and apparatus for applying coating liquid to a moving base37US 4,839,201 AValmet Paper Machinery Inc. · 1989
- Paper coating apparatus having a replaceable orifice plate33US 4,440,105 AConsolidated Papers, Inc. · 1984