B41J 3/42
Two or more complete typewriters coupled for simultaneous operation
B41J3/42 (Two or more complete typewriters coupled for simultaneous operation) appears on 36 US grants and 31 published applications in this corpus.
Search patents in B41J- Granted patents
- 36
- Published applications
- 31
- Assignees
- 27
- Inventors
- 64
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 4 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 3 | 1 |
| 2015 | 6 | 6 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Printer system7 Oct 2025US 12,434,496 B2Dai Nippon Printing Co.Ltd.
- Printer system8 Oct 2024US 12,109,826 B2Dai Nippon Printing Co.Ltd.
- Printing system and printing control apparatus28 Feb 2023US 11,595,545 B2Toppan Inc.
- Printing apparatus for web7 Jan 2020US 10,525,752 B2Riso Kagaku Corporation
- Can printing apparatus8 May 2018US 9,962,978 B2I. Mer Co., Ltd.
- Automated management of parallel printing12 Mar 2026US 2026/0072628 A1Toshiba Tec Kabushiki Kaisha
- Installation for decorating hollow glass objects comprising a conveyor for scrolling the objects past at least one digital printing station1 Aug 2024US 2024/0253367 A1Pochet Du Courval
- Printer system30 May 2024US 2024/0174009 A1Dai Nippon Printing Co.Ltd.
- Printer system1 Sep 2022US 2022/0274424 A1Dai Nippon Printing Co.Ltd.
- Printing system and printing control apparatus7 Apr 2022US 2022/0109775 A1Toppan Inc.
Most cited
By later US patents
- Recording apparatus producing multiple copies simultaneously157US 4,587,532 ACanon Kabushiki Kaisha · 1986
- Ink-jet printing apparatus and ink-jet printing method72US 6,267,518 B1Canon Kabushiki Kaisha · 2001
- Surface marked articles, related methods and systems48US 8,794,724 B2Masonite Corporation · 2014
- Surface marked articles, related methods and systems46US 9,126,423 B2Masonite Corporation · 2015
- Printing apparatus comprising plural printing units45US 6,030,133 ASeiko Epson Corporation · 2000