B41F 13/42
Guards or covers
Official title: Guards or covers, e.g. for preventing ingress or egress of foreign matter
B41F13/42 (Guards or covers) appears on 31 US grants and 18 published applications in this corpus.
Search patents in B41F- Granted patents
- 31
- Published applications
- 18
- Assignees
- 26
- Inventors
- 71
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Printing press13 Aug 2024US 12,059,887 B2Bobst Bielefeld GmbH
- Isolated print medium dispenser5 Dec 2023US 11,833,843 B2Asmpt Smt Singapore Pte. Ltd.
- Pressure diffrentials at printers18 Jul 2023US 11,701,907 B2Hewlett-Packard Development Company, L. P.
- Printer ductor roller and electromagnetic valve protection member built into ductor roller5 Apr 2022US 11,292,244 B2I. Mer Co., Ltd.
- Liquid transfer apparatus28 Apr 2020US 10,632,738 B2Komori Corporation
- Pressure in a printing apparatus12 May 2022US 2022/0143993 A1Hewlett-Packard Development Company, L. P.
- Isolated print medium dispenser3 Feb 2022US 2022/0032667 A1Asm Assembly Systems Singapore Pte. Ltd.
- Printing press27 Jan 2022US 2022/0024199 A1Bobst Bielefeld GmbH
- Printer ductor roller and electromagnetic valve protection member built into ductor roller29 Oct 2020US 2020/0338881 A1I. Mer Co., Ltd.
- Liquid transfer apparatus28 Jun 2018US 2018/0178504 A1Komori Corporation
Most cited
By later US patents
- Printing unit using various ink types16US 5,758,580 AHeidelberg Harris, Inc. · 1998
- Web- and sheet-fed printing unit using various ink types, particularly water-based inks13US 6,209,456 B1Heidelberger Druckmaschinen AG · 2001
- Printing machine with sound reducing apparatus12US 5,970,866 ATohoku Ricoh Co., Ltd. · 1999
- Suspension for a device serving as a guard in front of the printing-unit cylinders of a printing machine10US 5,487,336 AMAN Roland Druckmaschinen AG · 1996
- Detachable gap covering on cylinders of printing presses8US 4,217,824 AMAN Roland Druckmaschinen AG · 1980