B41F 9/1072
Blade construction
Official title: {Blade construction}
B41F9/1072 (Blade construction) appears on 44 US grants and 40 published applications in this corpus.
Search patents in B41F- Granted patents
- 44
- Published applications
- 40
- Assignees
- 38
- Inventors
- 97
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 3 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Doctor23 Sep 2025US 12,420,542 B2Tkm Meyer GmbH
- Device, method, and assembly for loading nozzles with fluid29 Apr 2025US 12,285,936 B2Archipelago Technology Group Ltd.
- Doctor blade strip for cutting to length for use in printing3 Dec 2024US 12,157,297 B2Daetwyler Swisstec AG
- Wiper blade for printer roller6 Aug 2024US 12,053,972 B2
- Gravure coater test apparatus and gravure coater23 Jul 2024US 12,042,814 B2LG Chem.Ltd.
- Doctor11 Jan 2024US 2024/0009989 A1Tkm Meyer GmbH
- Doctor Blade Strip For Cutting To Length For Use In Printing15 Jun 2023US 2023/0182464 A1Daetwyler Swisstec AG
- Gravure Coater Test Apparatus and Gravure Coater18 May 2023US 2023/0149971 A1LG Chem.Ltd.
- Device, method, and assembly for loading nozzles with fluid26 May 2022US 2022/0161543 A1Archipelago Technology Group Ltd.
- Improved Wiper Blade for Printer Roller21 Oct 2021US 2021/0323299 A1
Most cited
By later US patents
- Constant bevel doctor blade and method and apparatus using same104US 4,184,429 AMax Datwyler & Co. · 1980
- Seal relief doctor blade24US 5,027,513 AAllisontech Sales, Inc. · 1991
- Unitary doctor blade assembly19US 4,895,071 ABenton Graphics, Inc. · 1990
- Doctor blade coated with polymeric material and coating method16US 7,632,560 B2C.B.G. Acciai S.r.l. · 2009
- Device for stripping excess ink from a rotating printing roll in rotogravure presses10US 3,986,453 AAhlen & Akerlunds Forlags AB · 1976