B41L 21/12
Devices for conveying sheets or webs of copy material through the apparatus
Official title: for conveying webs
B41L21/12 (Devices for conveying sheets or webs of copy material through the apparatus) appears on 8 US grants and 1 published applications in this corpus.
Search patents in B41L- Granted patents
- 8
- Published applications
- 1
- Assignees
- 5
- Inventors
- 13
- Latest grant
- 6 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Identifying printing substrate types6 Jul 2021US 11,052,682 B2Hewlett-Packard Development Company, L. P.
- Method and apparatus for mounting a master plate on a printing drum having an integral cutter22 Aug 1995US 5,443,556 ARiso Kagaku Corporation
- Web tensioning device for printing press30 Apr 1991US 5,010,816 A
- Apparatus for adapting a single sheet feed offset duplicator to print and collate continuous form paper16 Oct 1990US 4,962,704 ABaldwin SPM, Inc.
- Apparatus for adapting a single sheet feed offset duplicator to print on continuous form paper20 Feb 1990US 4,901,639 A
Most cited
By later US patents
- Process and installation for the production of documentation23US 4,611,799 A1986
- Apparatus for intermittently feeding continuous paper in a printing press15US 4,723,488 AToray Industries, Inc. · 1988
- Method and apparatus for intermittently processing successive definite lengths of a continuous flexible web14US 4,751,879 AVan Pelt Equipment Corporation · 1988
- Web tensioning device for printing press6US 5,010,816 A1991
- Method and apparatus for mounting a master plate on a printing drum having an integral cutter6US 5,443,556 ARiso Kagaku Corporation · 1995