B65H 2301/45
Folding, unfolding
B65H2301/45 (Folding, unfolding) appears on 143 US grants and 144 published applications in this corpus.
Search patents in B65H- Granted patents
- 143
- Published applications
- 144
- Assignees
- 79
- Inventors
- 282
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 3 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 5 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 3 |
| 2014 | 5 | 6 |
| 2015 | 3 | 6 |
| 2016 | 9 | 18 |
| 2017 | 9 | 11 |
| 2018 | 10 | 5 |
| 2019 | 12 | 4 |
| 2020 | 4 | 10 |
| 2021 | 10 | 6 |
| 2022 | 8 | 7 |
| 2023 | 5 | 9 |
| 2024 | 5 | 12 |
| 2025 | 9 | 18 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid delivery system for interfolding apparatus26 May 2026US 12,637,320 B2BW Converting, Inc.
- Paper creasing device and printer5 May 2026US 12,617,649 B2Citizen Systems Japan Co., Ltd.
- Machine for producing laminar products made of paper material, in particular packages of napkins, tissues or similar products and related production method14 Apr 2026US 12,600,595 B2Valmet Tissue Converting S.p.A.
- Image reading apparatus24 Mar 2026US 12,587,604 B2Seiko Epson Corporation
- Image forming system6 Jan 2026US 12,517,456 B2Canon Kabushiki Kaisha
- Belt manufacturing apparatus, folding-back roller, and belt manufacturing method24 Sep 2026US 2026/0285636 A1Bridgestone Corporation
- Method and machine for folding sheets3 Sep 2026US 2026/0257880 A1G. D S.p.A.
- Sheet processing device and image forming apparatus23 Jul 2026US 2026/0208993 A1Etria Co., Ltd.
- Fluid Delivery System for Interfolding Apparatus26 Mar 2026US 2026/0084921 A1BW Converting, Inc.
- Sheet post-processing apparatus8 Jan 2026US 2026/0008646 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Sheet finisher and image forming system using the same65US 6,905,118 B2Ricoh Company, Ltd. · 2005
- Apparatus for transporting envelope blanks in an envelope making machine63US 6,572,520 B2Winkler + Dunnebler Aktiengesellschaft · 2003
- Finisher capable of folding a paper in a z-shape when the properties of a printed image is affected24US 5,905,935 AMinolta Co., Ltd. · 1999
- Apparatus and method for individually printing signatures during delivery to a binding line conveyor22US 5,005,815 AR. R. Donnelley & Sons Company · 1991
- Apparatus for gathering folded sheets in bookbinding machines20US 4,085,927 AGrapha-Holding AG · 1978