B31F 1/08
Creasing
Official title: Creasing (corrugating B31F1/20; zig-zag folding B65H45/20 {; combined with folding B31F1/0012, B31F1/0022; grooving by cutting B26D3/06, B26D3/08; by milling grooves B23C3/30; of plastics material B29C53/06})
B31F1/08 (Creasing) appears on 277 US grants and 265 published applications in this corpus.
Search patents in B31F- Granted patents
- 277
- Published applications
- 265
- Assignees
- 190
- Inventors
- 507
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 4 |
| 2003 | 8 | 4 |
| 2004 | 3 | 8 |
| 2005 | 3 | 11 |
| 2006 | 4 | 9 |
| 2007 | 2 | 7 |
| 2008 | 2 | 11 |
| 2009 | 6 | 19 |
| 2010 | 13 | 7 |
| 2011 | 5 | 13 |
| 2012 | 6 | 16 |
| 2013 | 9 | 10 |
| 2014 | 8 | 12 |
| 2015 | 13 | 13 |
| 2016 | 6 | 11 |
| 2017 | 5 | 22 |
| 2018 | 10 | 18 |
| 2019 | 15 | 12 |
| 2020 | 11 | 12 |
| 2021 | 14 | 11 |
| 2022 | 10 | 10 |
| 2023 | 14 | 7 |
| 2024 | 7 | 6 |
| 2025 | 3 | 8 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for cutting, creasing and/ or embossing a cardboard and cardboard processing machine6 Oct 2026US 12,752,507 B2Bobst Mex SA
- Systems and methods for web-fed dry forming of fiber-based products11 Aug 2026US 12,703,166 B2Footprint International, LLC
- Method for forming a body section of a paper cup and a paper sleeve23 Jun 2026US 12,661,862 B2Tokan Kogyo Co., Ltd.
- Paper cutting and creasing equipment based on synchronous combination of convex and concave cams26 May 2026US 12,636,848 B2SAGA Computer Numerical Control Co., Ltd
- Paper creasing device and printer5 May 2026US 12,617,649 B2Citizen Systems Japan Co., Ltd.
- Apparatus for processing predominantly rigid material sheets or material webs, and method for changing the configuration of such an apparatus3 Sep 2026US 2026/0257448 A1Kolbus Group GmbH
- Method for providing a compensation sheet for a pressing station and method for setting a cardboard processing machine30 Jul 2026US 2026/0216907 A1Bobst Mex SA
- A device for longitudinal processing of a corrugated board web26 Mar 2026US 2026/0084395 A1Fosber S.p.A.
- A System for Adjusting Positions of Rollers in An Outsert Making Machinery20 Nov 2025US 2025/0353201 A1
- Paper cutting and creasing equipment based on synchronous combination of convex and concave cams6 Nov 2025US 2025/0340036 A1SAGA Computer Numerical Control Co., Ltd
Most cited
By later US patents
- Rupture lines in flexible packages84US 4,226,330 A1980
- Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom74US 5,620,641 AAmerican Filtrona Corporation · 1997
- Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom73US 5,607,766 AAmerican Filtrona Corporation · 1997
- Process for the production of filters, and a filter produced by the process67US 4,976,677 AFlodins Filter AB · 1990
- Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom67US 5,633,082 AAmerican Filtrona Corporation · 1997