B31F 1/2868
Exchangeable corrugating cylinders
Official title: {Exchangeable corrugating cylinders (means for changing cutting members in shearing devices B23D35/008)}
B31F1/2868 (Exchangeable corrugating cylinders) appears on 34 US grants and 21 published applications in this corpus.
Search patents in B31F- Granted patents
- 34
- Published applications
- 21
- Assignees
- 16
- Inventors
- 46
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 3 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for replacing stage roll unit10 Mar 2026US 12,570,069 B2Mitsubishi Heavy Industriesmachinery Systems, Ltd
- Assembly for producing a corrugated cardboard web laminated on one side6 Jan 2026US 12,515,447 B2BHS Corrugated Maschinen-und Anlagenbau GmbH
- Single facer for manufacturing a corrugated board with a pressing unit with a continuous flexible member25 Mar 2025US 12,257,807 B2Fosber S.p.A.
- Device and method for transporting stage roll unit, and stage roll unit transporting cart31 Dec 2024US 12,180,049 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Single facer for manufacturing a corrugated board with a facilitated system for replacing the pressing belt18 Jun 2024US 12,011,900 B2Fosber S.p.A.
- Assembly for producing a corrugated cardboard web laminated on one side14 Mar 2024US 2024/0083155 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
- A single facer for manufacturing a corrugated board with a facilitated system for replacing the pressing belt27 Jul 2023US 2023/0234321 A1Fosber S.p.A.
- A single facer for manufacturing a corrugated board with a pressing unit with a continuous flexible member20 Jul 2023US 2023/0226796 A1Fosber S.p.A.
- A single facer for manufacturing corrugated board with a system for controlling the pressing member22 Jun 2023US 2023/0191740 A1Fosber S.p.A.
- Device and method for replacing stage roll unit7 Apr 2022US 2022/0105699 A1Mitsubishi Heavy Industries Machinery Systems, Ltd.
Most cited
By later US patents
- Single facer18US 4,627,831 AMitsubishi Jukogyo Kabushiki Kaisha · 1986
- Single facer13US 4,631,109 AMitsubishi Jukogyo Kabushiki Kaisha · 1986
- Single facer having rapid roll changing means11US 4,569,714 ARengo Co., Ltd. · 1986
- One-sided corrugated board machine having replacable corrugating rollers11US 4,818,330 ABHS-Bayerische Berg-, Hutten- und Salzwerke Aktiengesellschaft · 1989
- Method of and means for replacing corrugating rolls in a single facer10US 4,629,526 AIsowa Industry Co., Ltd. · 1986