B31B
Making containers of paper, cardboard or material worked in a manner analogous
Official title: MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER (making wound articles, e.g. wound tubes, B31C; combined making and filling B65B)
B31B (Making containers of paper, cardboard or material worked in a manner analogous) appears on 7,065 US grants and 5,706 published applications in this corpus.
Search patents in B31B- Granted patents
- 7,065
- Published applications
- 5,706
- Assignees
- 2,393
- Inventors
- 8,915
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 119 | 0 |
| 1977 | 118 | 0 |
| 1978 | 96 | 0 |
| 1979 | 56 | 0 |
| 1980 | 93 | 0 |
| 1981 | 137 | 0 |
| 1982 | 80 | 0 |
| 1983 | 77 | 0 |
| 1984 | 79 | 0 |
| 1985 | 129 | 0 |
| 1986 | 120 | 0 |
| 1987 | 122 | 0 |
| 1988 | 108 | 0 |
| 1989 | 121 | 0 |
| 1990 | 109 | 0 |
| 1991 | 135 | 0 |
| 1992 | 131 | 0 |
| 1993 | 116 | 0 |
| 1994 | 111 | 0 |
| 1995 | 102 | 0 |
| 1996 | 155 | 0 |
| 1997 | 187 | 0 |
| 1998 | 187 | 0 |
| 1999 | 163 | 0 |
| 2000 | 154 | 0 |
| 2001 | 148 | 57 |
| 2002 | 137 | 159 |
| 2003 | 158 | 179 |
| 2004 | 113 | 241 |
| 2005 | 108 | 219 |
| 2006 | 113 | 181 |
| 2007 | 79 | 174 |
| 2008 | 96 | 164 |
| 2009 | 74 | 171 |
| 2010 | 103 | 194 |
| 2011 | 81 | 217 |
| 2012 | 109 | 239 |
| 2013 | 143 | 250 |
| 2014 | 159 | 274 |
| 2015 | 179 | 292 |
| 2016 | 184 | 227 |
| 2017 | 202 | 271 |
| 2018 | 196 | 267 |
| 2019 | 188 | 288 |
| 2020 | 225 | 271 |
| 2021 | 234 | 241 |
| 2022 | 213 | 236 |
| 2023 | 227 | 274 |
| 2024 | 237 | 247 |
| 2025 | 217 | 229 |
| 2026 | 137 | 144 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B31B 50/00Making rigid or semi-rigid containers4,144
- B31B 70/00Making flexible containers2,795
- B31B 2160/00Shape of flexible containersIndexing code1,609
- B31B 2120/00Construction of rigid or semi-rigid containersIndexing code1,527
- B31B 2100/00Rigid or semi-rigid containers made by folding single-piece sheets, blanks or websIndexing code1,082
- B31B 2155/00Flexible containers made from websIndexing code1,042
- B31B 2105/00Rigid or semi-rigid containers made by assembling separate sheets, blanks or websIndexing code916
- B31B 2110/00Shape of rigid or semi-rigid containersIndexing code832
All 12 main groupsShow fewer
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
- Method and machine for manufacturing a flexible envelope-like bag, particularly with reinforcement29 Sep 2026US 12,747,068 B2Holweg Group
- 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
- Method and apparatus for manufacturing sleeve- or bag-like containers, as well as such container435US 5,228,234 AKlerk's Plastic Industrie, B.V. · 1993
- Apparaus of making a flower pot or flower pot cover with controlled pleats374US 5,073,161 AHighland Supply Corporation · 1991