B42C
Bookbinding
Official title: BOOKBINDING (cutting or perforating machines, devices or tools B26; folding sheets or webs B31F; ornamenting books B44)
B42C (Bookbinding) appears on 2,967 US grants and 2,268 published applications in this corpus.
Search patents in B42C- Granted patents
- 2,967
- Published applications
- 2,268
- Assignees
- 581
- Inventors
- 3,213
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 30 | 0 |
| 1978 | 34 | 0 |
| 1979 | 37 | 0 |
| 1980 | 25 | 0 |
| 1981 | 27 | 0 |
| 1982 | 19 | 0 |
| 1983 | 30 | 0 |
| 1984 | 25 | 0 |
| 1985 | 42 | 0 |
| 1986 | 32 | 0 |
| 1987 | 29 | 0 |
| 1988 | 31 | 0 |
| 1989 | 31 | 0 |
| 1990 | 46 | 0 |
| 1991 | 57 | 0 |
| 1992 | 65 | 0 |
| 1993 | 57 | 0 |
| 1994 | 46 | 0 |
| 1995 | 55 | 0 |
| 1996 | 41 | 0 |
| 1997 | 68 | 0 |
| 1998 | 42 | 0 |
| 1999 | 55 | 0 |
| 2000 | 47 | 0 |
| 2001 | 70 | 26 |
| 2002 | 59 | 82 |
| 2003 | 67 | 123 |
| 2004 | 96 | 134 |
| 2005 | 77 | 156 |
| 2006 | 97 | 111 |
| 2007 | 90 | 157 |
| 2008 | 105 | 193 |
| 2009 | 103 | 159 |
| 2010 | 142 | 126 |
| 2011 | 187 | 118 |
| 2012 | 121 | 96 |
| 2013 | 82 | 100 |
| 2014 | 74 | 97 |
| 2015 | 67 | 93 |
| 2016 | 73 | 54 |
| 2017 | 58 | 61 |
| 2018 | 65 | 70 |
| 2019 | 84 | 52 |
| 2020 | 49 | 44 |
| 2021 | 55 | 50 |
| 2022 | 37 | 33 |
| 2023 | 31 | 29 |
| 2024 | 28 | 29 |
| 2025 | 27 | 45 |
| 2026 | 19 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B42C 1/00Collating or gathering sheets combined with processes for permanently attaching together sheets1,142
- B42C 9/00Applying glue or adhesive peculiar to bookbinding979
- B42C 19/00Multi-step processes for making books961
- B42C 11/00Casing-in265
- B42C 7/00Manufacturing bookbinding cases or covers of books or loose-leaf binders205
- B42C 3/00Making booklets, pads, or form sets from multiple webs197
- B42C 5/00Preparing the edges or backs of leaves or signatures for binding145
- B42C 13/00Bookbinding presses75
Recent patents
- Book binding mismatch detection system and method8 Sep 2026US 12,728,660 B2Lightning Source LLC
- Booklet making apparatus and image forming apparatus25 Aug 2026US 12,715,233 B2Canon Kabushiki Kaisha
- Image forming apparatus with fixing via rotary heater and bonding via heater configured to move in thickness direction18 Aug 2026US 12,710,715 B2Canon Kabushiki Kaisha
- Booklet manufacturing apparatus, booklet manufacturing system, control method, and medium18 Aug 2026US 12,710,717 B2Canon Kabushiki Kaisha
- Bookbinding apparatus that creates book by bonding a plurality of sheets using toner11 Aug 2026US 12,704,798 B2Canon Kabushiki Kaisha
- Image forming system8 Oct 2026US 2026/0313055 A1Canon Finetech Nisca Inc.
- Post-processing apparatus and image forming apparatus that bond sheet bundle with adhesive1 Oct 2026US 2026/0299503 A1Canon Kabushiki Kaisha
- Image forming system24 Sep 2026US 2026/0285076 A1Canon Finetech Nisca Inc.
- Image forming system17 Sep 2026US 2026/0273983 A1Canon Kabushiki Kaisha
- Medium processing apparatus, image forming system, and non-transitory recording medium10 Sep 2026US 2026/0267273 A1Etria Co., Ltd.
Most cited
By later US patents
- Folding photo case1,405US 6,932,218 B2Monica Rich Kosann Photography LLC · 2005
- High speed duplicator with finishing function197US 4,385,827 AXerox Corporation · 1983
- Sensing device174US 6,870,966 B1Silverbrook Research Pty Ltd · 2005
- Sheet inserter and methods of inserting sheets into a continuous stream of sheets165US 5,272,511 AXerox Corporation · 1993
- Printer consumable cartridge165US 6,290,349 B1Silverbrook Research Pty Ltd · 2001