B65H 2511/522
Folds or misfolding
B65H2511/522 (Folds or misfolding) appears on 45 US grants and 41 published applications in this corpus.
Search patents in B65H- Granted patents
- 45
- Published applications
- 41
- Assignees
- 28
- Inventors
- 87
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 6 |
| 2022 | 5 | 4 |
| 2023 | 4 | 3 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet feeding device and printing system12 May 2026US 12,623,877 B2Ricoh Company, Ltd.
- Medium conveying apparatus for detecting a folding of a medium10 Feb 2026US 12,545,533 B2Pfu Limited
- Sheet folding machine with waste product removal23 Sep 2025US 12,421,065 B2Heidelberger Druckmaschinen AG
- Medium conveying apparatus detecting bound medium based on lift of medium8 Jul 2025US 12,351,423 B2Pfu Limited
- Conveying device and image forming apparatus24 Jun 2025US 12,337,591 B2Ricoh Company, Ltd.
- Sheet feeding device and printing system25 Sep 2025US 2025/0296793 A1Ricoh Company, Ltd.
- Medium supply system and image forming system2 Jan 2025US 2025/0001772 A1FUJIFILM Business Innovation Corp.
- Sheet folding machine with waste product removal20 Jun 2024US 2024/0199356 A1Heidelberger Druckmaschinen AG
- Medium conveying apparatus detecting bound medium based on lift of medium4 Apr 2024US 2024/0109740 A1Pfu Limited
- Conveying device and image forming apparatus8 Feb 2024US 2024/0042775 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Jam-free continuous-forms printer32US 5,321,464 AInternational Business Machines Corporation · 1994
- Method and apparatus for detecting the profile and feeding state of paper sheets29US 4,623,975 ATokyo Shibaura Denki Kabushiki Kaisha · 1986
- Device for monitoring imbricated sheets stream fed to printing machines22US 4,753,433 AHeidelberger Druckmaschinen AG · 1988
- Apparatus and method for sensing accordion jams in a laser printer18US 5,615,876 AHewlett-Packard Company · 1997
- Method and apparatus for detection of wrinkled documents in a sheet feeding device17US 6,520,498 B2Eastman Kodak Company · 2003