B42B 4/00
Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary
Official title: Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire {(by stapling B25C5/00; staples F16B15/00)}
B42B4/00 (Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary) appears on 453 US grants and 365 published applications in this corpus.
Search patents in B42B- Granted patents
- 453
- Published applications
- 365
- Assignees
- 102
- Inventors
- 682
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 9 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 18 | 0 |
| 1993 | 4 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 6 |
| 2003 | 6 | 10 |
| 2004 | 4 | 9 |
| 2005 | 5 | 14 |
| 2006 | 6 | 4 |
| 2007 | 5 | 10 |
| 2008 | 7 | 14 |
| 2009 | 7 | 21 |
| 2010 | 15 | 22 |
| 2011 | 22 | 31 |
| 2012 | 26 | 22 |
| 2013 | 27 | 29 |
| 2014 | 20 | 23 |
| 2015 | 21 | 32 |
| 2016 | 30 | 18 |
| 2017 | 15 | 11 |
| 2018 | 22 | 22 |
| 2019 | 20 | 12 |
| 2020 | 19 | 16 |
| 2021 | 15 | 11 |
| 2022 | 11 | 4 |
| 2023 | 6 | 10 |
| 2024 | 7 | 3 |
| 2025 | 4 | 5 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sheet bundle binding apparatus and rotation detection method17 Feb 2026US 12,552,631 B2Horizon Inc.
- Stapling unit with an improved stitching head drive apparatus7 Oct 2025US 12,434,500 B2
- Sheet finisher26 Aug 2025US 12,399,456 B2Canon Finetech Nisca Inc.
- Wire stitching apparatus with missing staple pin detection mechanism19 Aug 2025US 12,391,057 B2
- Printing system, information processing device, and job setting method29 Jul 2025US 12,373,145 B2Sharp Kabushiki Kaisha
- Medium processing apparatus and image forming system6 Aug 2026US 2026/0227736 A1Ricoh Company, Ltd.
- Medium processing apparatus and image forming system18 Jun 2026US 2026/0169404 A1Ricoh Company, Ltd.
- Sheet processing device, image forming apparatus, and post-processing apparatus26 Mar 2026US 2026/0084918 A1FUJIFILM Business Innovation Corp.
- Sheet processing device, image forming apparatus, and post-processing apparatus26 Mar 2026US 2026/0084919 A1FUJIFILM Business Innovation Corp.
- Post-processing device and image forming apparatus19 Mar 2026US 2026/0077976 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Staple supporting and staple removing strip1,421US 4,382,326 AMinnesota Mining and Manufacturing Company · 1983
- Finishing apparatus108US 5,098,074 AXerox Corporation · 1992
- Apparatus discharged sheet stacking88US 5,021,837 ACanon Kabushiki Kaisha · 1991
- System and apparatus for accumulating and stitching sheets76US 5,472,181 APitney Bowes Inc. · 1995
- Copier with bookbinding function63US 4,592,651 ARicoh Company, Ltd. · 1986