B41F 23/002
Cleaning devices for sheets or webs
Official title: {cleaning devices for sheets or webs}
B41F23/002 (Cleaning devices for sheets or webs) appears on 49 US grants and 36 published applications in this corpus.
Search patents in B41F- Granted patents
- 49
- Published applications
- 36
- Assignees
- 38
- Inventors
- 87
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 4 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 5 |
| 2016 | 4 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 5 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Industrial printing apparatus7 Apr 2026US 12,594,755 B1
- Coating device and coating method16 Sep 2025US 12,415,201 B2Collin Lab & Pilot Solutions GmbH
- Cleaner head7 Nov 2023US 11,806,764 B2Takusyo Co., Ltd.
- Web processing machine comprising at least one cleaning device for cleaning substrate transported along transport path15 Aug 2023US 11,724,289 B2Koenig & Bauer Aktiengesellschaft
- Cleaning solution27 Jun 2023US 11,685,838 B2Sun Chemical Corporation
- Coating device and coating method27 Mar 2025US 2025/0100006 A1Collin Lab & Pilot Solutions GmbH
- Rotary printing press with cleaning unit and method for cleaning a substrate11 Jul 2024US 2024/0227385 A1Bobst Bielefeld GmbH
- Processing machine comprising at least one cleaning device and method for cleaning17 Nov 2022US 2022/0362816 A1Koenig & Bauer Aktiengesellschaft
- Cleaner head3 Mar 2022US 2022/0062954 A1Takusyo Co., Ltd.
- Dust removal device and printer20 Aug 2020US 2020/0262196 A1Riso Kagaku Corporation
Most cited
By later US patents
- Apparatus for cleaning surface of sheet37US 4,982,469 AKawasaki Steel Corporation · 1991
- Contact cleaner roll cleaning system28US 5,251,348 A1993
- Probe for removing dust from moving webs24US 4,835,808 AEltex-Elektrostatik Gesellschaft mbH · 1989
- Surface cleaning device14US 3,986,223 AHerbert Products, Inc. · 1976
- Paper web surface cleaner or tester13US 4,905,500 AMacMillan Bloedel Limited · 1990