B31B 50/00
Making rigid or semi-rigid containers
Official title: Making rigid or semi-rigid containers, e.g. boxes or cartons
B31B50/00 (Making rigid or semi-rigid containers) appears on 4,144 US grants and 3,403 published applications in this corpus.
Search patents in B31B- Granted patents
- 4,144
- Published applications
- 3,403
- Assignees
- 1,518
- Inventors
- 5,633
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 63 | 0 |
| 1977 | 68 | 0 |
| 1978 | 51 | 0 |
| 1979 | 34 | 0 |
| 1980 | 58 | 0 |
| 1981 | 75 | 0 |
| 1982 | 46 | 0 |
| 1983 | 39 | 0 |
| 1984 | 41 | 0 |
| 1985 | 68 | 0 |
| 1986 | 73 | 0 |
| 1987 | 55 | 0 |
| 1988 | 49 | 0 |
| 1989 | 47 | 0 |
| 1990 | 54 | 0 |
| 1991 | 70 | 0 |
| 1992 | 74 | 0 |
| 1993 | 74 | 0 |
| 1994 | 61 | 0 |
| 1995 | 54 | 0 |
| 1996 | 100 | 0 |
| 1997 | 125 | 0 |
| 1998 | 126 | 0 |
| 1999 | 84 | 0 |
| 2000 | 78 | 0 |
| 2001 | 75 | 23 |
| 2002 | 60 | 61 |
| 2003 | 67 | 72 |
| 2004 | 46 | 91 |
| 2005 | 48 | 108 |
| 2006 | 47 | 93 |
| 2007 | 25 | 87 |
| 2008 | 53 | 89 |
| 2009 | 38 | 90 |
| 2010 | 52 | 96 |
| 2011 | 42 | 99 |
| 2012 | 58 | 139 |
| 2013 | 80 | 151 |
| 2014 | 107 | 184 |
| 2015 | 116 | 207 |
| 2016 | 127 | 144 |
| 2017 | 135 | 171 |
| 2018 | 142 | 189 |
| 2019 | 129 | 203 |
| 2020 | 158 | 171 |
| 2021 | 159 | 153 |
| 2022 | 145 | 161 |
| 2023 | 162 | 176 |
| 2024 | 144 | 158 |
| 2025 | 151 | 179 |
| 2026 | 111 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B31B 50/74Auxiliary operations1,846
- B31B 50/26Folding sheets, blanks or webs1,467
- B31B 50/60Uniting opposed surfaces or edges922
- B31B 50/02Feeding or positioning sheets, blanks or webs638
- B31B 50/14Cutting594
- B31B 50/25Surface scoring428
- B31B 50/006Controlling398
- B31B 50/59Shaping sheet material under pressure323
Recent patents
- Guide position adjustment device, folder gluer and box making machine, and folding guide position adjustment method6 Oct 2026US 12,752,505 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Device and method for pretreating packaging blanks and packaging device for producing packaging units6 Oct 2026US 12,752,506 B2Krones AG
- Method for operating a system having a corrugator and a printing machine, and system6 Oct 2026US 12,752,550 B2BHS Corrugated Maschinen-und Anlagenbau GmbH
- Apparatus and a method for producing dish-shaped product packages29 Sep 2026US 12,746,733 B2Jospak Oy
- System of folding displays using an automatic display assembly machine and method of using the same22 Sep 2026US 12,740,658 B2
- Divider construct for trays, related systems and methods8 Oct 2026US 2026/0307851 A1Graphic Packaging International, Inc.
- Carton with locking features8 Oct 2026US 2026/0307852 A1Graphic Packaging International, Inc.
- Method and system for manufacturing pressed board trays1 Oct 2026US 2026/0295965 A1Confoil Pty Ltd
- Fibre based packaging container, circular base component, quadrilateral wall blank, method of manufacture of a fibre based packaging container and container obtainable from said method1 Oct 2026US 2026/0296713 A1Transcend Packaging Limited
- Gusseted containers for food products1 Oct 2026US 2026/0296715 A1Graphic Packaging International, Inc.
Most cited
By later US patents
- Article forming system696US 4,773,182 AHighland Supply Corporation · 1988
- Method of shaping and holding a sheet of material about a flower pot with a collar598US 4,835,834 AHighland Supply Corporation · 1989
- Wrapping a floral grouping with sheets having adhesive or cohesive material applied thereto507US 5,181,364 AHighland Supply Corporation · 1993
- Apparaus of making a flower pot or flower pot cover with controlled pleats374US 5,073,161 AHighland Supply Corporation · 1991
- Flower pot or flower pot cover having connected and unconnected segments in the skirt341US 5,152,100 AHighland Supply Corporation · 1992