B41L 23/20
Devices for treating the surfaces of sheets, webs, or other articles in
Official title: by heat drying, by cooling, by applying powders
B41L23/20 (Devices for treating the surfaces of sheets, webs, or other articles in) appears on 6 US grants and 12 published applications in this corpus.
Search patents in B41L- Granted patents
- 6
- Published applications
- 12
- Assignees
- 6
- Inventors
- 25
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Print agent drying apparatus16 Dec 2025US 12,496,845 B2HP Scitex Ltd.
- Inkjet printing method and apparatus30 Nov 2021US 11,186,099 B2Hewlett-Packard Development Company, L. P.
- Dryer system to cool printer26 Oct 2021US 11,155,103 B2Hewlett-Packard Development Company, L. P.
- Removable dryer module for a printing apparatus12 Oct 2021US 11,142,012 B2Xerox Corporation
- Printing device and ultraviolet irradiation apparatus16 Nov 2010US 7,832,332 B2Tohoku Ricoh Co., Ltd.
- Print agent drying apparatus17 Feb 2022US 2022/0048302 A1HP Scitex Ltd.
- Conditioning rollers21 Oct 2021US 2021/0323298 A1Hewlett-Packard Development Company, L. P.
- Inkjet printing method and apparatus28 May 2020US 2020/0164661 A1Hewlett-Packard Development Company, L. P.
- Inkjet printing method and apparatus7 May 2020US 2020/0140711 A1Hewlett-Packard Development Company, L. P.
- Dryer system to cool printer4 Jul 2019US 2019/0202217 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents