B31B 50/20
Cutting sheets or blanks
B31B50/20 (Cutting sheets or blanks) appears on 267 US grants and 298 published applications in this corpus.
Search patents in B31B- Granted patents
- 267
- Published applications
- 298
- Assignees
- 162
- Inventors
- 488
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 9 |
| 2005 | 2 | 9 |
| 2006 | 1 | 1 |
| 2007 | 1 | 5 |
| 2008 | 2 | 6 |
| 2009 | 2 | 3 |
| 2010 | 1 | 4 |
| 2011 | 3 | 7 |
| 2012 | 2 | 9 |
| 2013 | 3 | 9 |
| 2014 | 8 | 8 |
| 2015 | 7 | 18 |
| 2016 | 7 | 9 |
| 2017 | 6 | 9 |
| 2018 | 9 | 28 |
| 2019 | 7 | 28 |
| 2020 | 22 | 33 |
| 2021 | 31 | 26 |
| 2022 | 21 | 26 |
| 2023 | 29 | 9 |
| 2024 | 13 | 22 |
| 2025 | 18 | 8 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Converting machine with inversion transfer module1 Sep 2026US 12,722,924 B2Bobst Lyon
- Method for packaging article in cardboard box realized starting from continuous cardboard strip25 Aug 2026US 12,715,631 B2C.M.C. S.P.A.
- 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
- Inversion transfer module for a converting machine28 Apr 2026US 12,612,273 B2Bobst Lyon
- Method and system for cardboard pretreatment17 Feb 2026US 12,552,125 B2Highcon Systems Ltd.
- Paper protective case for clip-on packaging and device for manufacturing the same24 Sep 2026US 2026/0285536 A1Kingston Digital, Inc.
- System and a method for manufacturing screw caps from cardboard or paperboard13 Aug 2026US 2026/0233485 A1Länsipahvi Oy
- Measuring tool and method for providing a compensation sheet30 Jul 2026US 2026/0216984 A1Bobst Mex SA
- Tissue dispensers, blanks, and methods of forming the same23 Jul 2026US 2026/0207017 A1Kimberly-Clark Worldwide, Inc.
- Flap-cutting device for a converting machine23 Jul 2026US 2026/0208462 A1Bobst Lyon
Most cited
By later US patents
- Handle and top handle reinforcement for a paperboard carton119US 6,968,992 B2Graphic Packaging International, Inc. · 2005
- Slit-score method and apparatus56US 4,596,541 AThe Ward Machinery Company · 1986
- Carrier for containers48US 11,014,727 B2Graphic Packaging International, Inc. · 2021
- Method for forming slotted and creased box blanks46US 5,964,686 AGriffin Automation, Inc. · 1999
- Cutting, scoring and perforating die set and method44US 6,203,482 B12001