B41F 9/10
Doctors, scrapers, or like devices
B41F9/10 (Doctors, scrapers, or like devices) appears on 133 US grants and 102 published applications in this corpus.
Search patents in B41F- Granted patents
- 133
- Published applications
- 102
- Assignees
- 89
- Inventors
- 262
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 5 |
| 2003 | 7 | 4 |
| 2004 | 3 | 4 |
| 2005 | 3 | 6 |
| 2006 | 3 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 3 | 8 |
| 2010 | 0 | 4 |
| 2011 | 1 | 6 |
| 2012 | 2 | 2 |
| 2013 | 2 | 7 |
| 2014 | 3 | 5 |
| 2015 | 7 | 8 |
| 2016 | 5 | 6 |
| 2017 | 10 | 3 |
| 2018 | 2 | 4 |
| 2019 | 1 | 2 |
| 2020 | 1 | 5 |
| 2021 | 2 | 5 |
| 2022 | 6 | 2 |
| 2023 | 2 | 3 |
| 2024 | 4 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41F 9/1072Blade construction44
- B41F 9/1036Clamping and adjusting devices37
- B41F 9/1018Using a wiping cylinder20
- B41F 9/1009With reciprocating movement14
- B41F 9/1027Tripping devices7
- B41F 9/1063Seals between blades and cylinder7
- B41F 9/1081Using two or more blades7
- B41F 9/109Exchanging doctor blades6
All 9 subgroupsShow fewer
Recent patents
- Apparatus for manufacturing LED reflective sheet28 Apr 2026US 12,611,856 B2Sanheung Ez Inc.
- 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
- Chambered doctor-blade seal assembly, doctor-blade chamber seal, and method for same3 Sep 2026US 2026/0257468 A1Agergaard Graphic Supplies GmbH
- System and method for forming a fabric sheet-like panel having a wetness indicator27 Aug 2026US 2026/0249603 A1
- Anilox Roller, Printing Unit with Anilox Roller and Method for Producing an Anilox Roller8 Jan 2026US 2026/0008265 A1
- Apparatus for manufacturing led reflective sheet31 Jul 2025US 2025/0242581 A1Sanheung Ez Inc.
- Doctor11 Jan 2024US 2024/0009989 A1Tkm Meyer GmbH
Most cited
By later US patents
- Constant bevel doctor blade and method and apparatus using same104US 4,184,429 AMax Datwyler & Co. · 1980
- Apparatus for applying fluid to an intaglio roll for transfer to a soft, absorbent fibrous web44US 4,009,657 AScott Paper Company · 1977
- Doctoring apparatus and method employing prestressed doctor blade26US 4,802,928 AThermo Electron Web Systems, Inc. · 1989
- Equipment and method for replacing a band-like doctor blade25US 6,651,303 B1Metso Paper, Inc. · 2003
- Web coating method and apparatus24US 4,704,296 AMagna-Graphics Corporation · 1987