B41F 33/0081
Devices for scanning register marks
Official title: {Devices for scanning register marks}
B41F33/0081 (Devices for scanning register marks) appears on 291 US grants and 282 published applications in this corpus.
Search patents in B41F- Granted patents
- 291
- Published applications
- 282
- Assignees
- 183
- Inventors
- 560
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 8 |
| 2003 | 9 | 13 |
| 2004 | 8 | 13 |
| 2005 | 6 | 4 |
| 2006 | 7 | 13 |
| 2007 | 9 | 10 |
| 2008 | 3 | 8 |
| 2009 | 8 | 6 |
| 2010 | 5 | 13 |
| 2011 | 3 | 9 |
| 2012 | 9 | 14 |
| 2013 | 8 | 15 |
| 2014 | 8 | 14 |
| 2015 | 12 | 16 |
| 2016 | 19 | 12 |
| 2017 | 6 | 8 |
| 2018 | 6 | 13 |
| 2019 | 6 | 12 |
| 2020 | 12 | 10 |
| 2021 | 11 | 4 |
| 2022 | 13 | 18 |
| 2023 | 9 | 10 |
| 2024 | 9 | 20 |
| 2025 | 17 | 15 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Roll-based contact printing apparatus18 Dec 2025US 2025/0381771 A1Northeastern University
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Most cited
By later US patents
- Method and apparatus for improving registration and skew end of line checking in production152US 9,248,640 B2Intermec IP Corp. · 2016
- System and method for register mark recognition91US 6,874,420 B2CC1, Inc. · 2005
- Method and apparatus for determining register differences from a multi-color printed image58US 5,181,257 AMAN Roland Druckmaschinen AG · 1993
- Automatic registration control method and apparatus57US 4,528,630 AOAO Corporation · 1985
- Method and apparatus for registration mark identification56US 5,018,213 AWeb Printing Controls Co., Inc. · 1991