B42B
Permanently attaching together sheets, quires or signatures or permanently attaching objects thereto
Official title: PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO (nailing or stapling in general B25C, B27F; machines for both collating or gathering and permanently attaching together sheets or signatures B42C1/12; temporarily attaching sheets together B42F)
B42B (Permanently attaching together sheets, quires or signatures or permanently attaching objects thereto) appears on 1,062 US grants and 843 published applications in this corpus.
Search patents in B42B- Granted patents
- 1,062
- Published applications
- 843
- Assignees
- 270
- Inventors
- 1,460
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 14 | 0 |
| 1980 | 16 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 15 | 0 |
| 1984 | 14 | 0 |
| 1985 | 16 | 0 |
| 1986 | 14 | 0 |
| 1987 | 14 | 0 |
| 1988 | 15 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 25 | 0 |
| 1992 | 30 | 0 |
| 1993 | 15 | 0 |
| 1994 | 26 | 0 |
| 1995 | 20 | 0 |
| 1996 | 19 | 0 |
| 1997 | 16 | 0 |
| 1998 | 18 | 0 |
| 1999 | 23 | 0 |
| 2000 | 27 | 0 |
| 2001 | 7 | 5 |
| 2002 | 7 | 14 |
| 2003 | 12 | 22 |
| 2004 | 15 | 26 |
| 2005 | 12 | 32 |
| 2006 | 14 | 19 |
| 2007 | 11 | 21 |
| 2008 | 14 | 41 |
| 2009 | 15 | 43 |
| 2010 | 36 | 61 |
| 2011 | 31 | 45 |
| 2012 | 40 | 40 |
| 2013 | 33 | 61 |
| 2014 | 39 | 58 |
| 2015 | 42 | 62 |
| 2016 | 52 | 35 |
| 2017 | 32 | 37 |
| 2018 | 35 | 53 |
| 2019 | 52 | 33 |
| 2020 | 47 | 36 |
| 2021 | 26 | 21 |
| 2022 | 21 | 10 |
| 2023 | 10 | 22 |
| 2024 | 17 | 15 |
| 2025 | 17 | 18 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B42B 5/00Permanently attaching together sheets, quires or signatures otherwise than by stitching572
- B42B 4/00Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary453
- B42B 2/00Permanently attaching together sheets, quires or signatures by stitching with filamentary material74
- B42B 9/00Devices common to machines for carrying out the processes according to more59
- B42B 7/00Permanently attaching objects11
Recent patents
- 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 that manufactures booklet by adhering plurality of sheets26 May 2026US 12,636,902 B2Canon Kabushiki Kaisha
- Medium processing apparatus and image forming system incorporating same19 May 2026US 12,630,385 B2Ricoh Company, Ltd.
- Booklet making apparatus and image forming apparatus12 May 2026US 12,623,882 B2Canon Kabushiki Kaisha
- Booklet making apparatus and image forming apparatus20 Aug 2026US 2026/0242175 A1Canon Kabushiki Kaisha
- Medium processing apparatus and image forming system6 Aug 2026US 2026/0227736 A1Ricoh Company, Ltd.
- Clip and Post for Switchable Notebook Covers and Accessories30 Jul 2026US 2026/0217048 A1
- Medium processing apparatus and image forming system18 Jun 2026US 2026/0169404 A1Ricoh Company, Ltd.
- Medium processing apparatus and image forming system incorporating same23 Apr 2026US 2026/0109566 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Staple supporting and staple removing strip1,421US 4,382,326 AMinnesota Mining and Manufacturing Company · 1983
- Bookbinding strips860US 4,369,013 AVelo-Bind, Inc. · 1983
- Finishing apparatus108US 5,098,074 AXerox Corporation · 1992
- Apparatus discharged sheet stacking88US 5,021,837 ACanon Kabushiki Kaisha · 1991
- System and method for manufacturing sealed packages78US 5,328,438 ARoll Systems, Inc. · 1994