D21H 25/10
With blades
Official title: with blades
D21H25/10 (With blades) appears on 106 US grants and 42 published applications in this corpus.
Search patents in D21H- Granted patents
- 106
- Published applications
- 42
- Assignees
- 42
- Inventors
- 172
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 6 |
| 2004 | 4 | 7 |
| 2005 | 5 | 3 |
| 2006 | 2 | 7 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 3 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spreading unit with adjustable contour3 Sep 2024US 12,076,743 B2Broetje-Automation GmbH
- Blade attachment tool and blade support structure9 Jan 2024US 11,866,011 B2Bando Chemical Industries, Ltd.
- Masked coating blade11 Oct 2022US 11,466,407 B2BTG Eclepens S.A.
- Lubricant applicator and method for lubricating a backing drum and apparatus19 Nov 2019US 10,480,127 B2Valmet Technologies Oy
- Reel-up for winding a paper web into a roll and a method of winding a paper web to form a roll22 Aug 2017US 9,738,476 B2Valmet Aktiebolag
- Spreading unit with adjustable contour15 Jun 2023US 2023/0182165 A1Broetje-Automation GmbH
- Blade attachment tool and blade support structure24 Jun 2021US 2021/0188216 A1Bando Chemical Industries, Ltd.
- Masked coating blade18 Apr 2019US 2019/0112765 A1BTG Eclepens S.A.
- Spreading unit27 Dec 2018US 2018/0369855 A1
- Support Plate for a Doctor of a Fiber Web Machine and Doctor Assembly of a Fiber Web Machine and Method in a Doctor of a Fiber Web Machine21 Jun 2018US 2018/0171557 A1Valmet Technologies Oy
Most cited
By later US patents
- Support beam made of composite fiber material64US 5,356,519 AJ. M. Voith GmbH · 1994
- Method of coating sheet material with an oscillating doctor blade34US 5,601,868 ATZN Forschungs-und Entwicklungszentrum · 1997
- Coating apparatus having an internal leveling blade25US 4,369,731 AConsolidated Papers, Inc. · 1983
- Method of and apparatus for coating high speed traveling webs24US 5,112,653 AConsolidated Papers, Inc. · 1992
- Device used to indirectly apply a liquid or viscous medium onto a material web, specifically a paper or cardboard web23US 6,126,750 AVoith Sulzer Papiertechnik Patent GmbH · 2000