B31B 50/004
Closing boxes
Official title: {Closing boxes}
B31B50/004 (Closing boxes) appears on 244 US grants and 188 published applications in this corpus.
Search patents in B31B- Granted patents
- 244
- Published applications
- 188
- Assignees
- 151
- Inventors
- 388
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 2 | 6 |
| 2005 | 7 | 8 |
| 2006 | 2 | 8 |
| 2007 | 3 | 8 |
| 2008 | 8 | 6 |
| 2009 | 6 | 5 |
| 2010 | 2 | 3 |
| 2011 | 4 | 6 |
| 2012 | 6 | 9 |
| 2013 | 3 | 2 |
| 2014 | 1 | 5 |
| 2015 | 2 | 6 |
| 2016 | 4 | 2 |
| 2017 | 3 | 2 |
| 2018 | 5 | 5 |
| 2019 | 3 | 11 |
| 2020 | 8 | 13 |
| 2021 | 10 | 15 |
| 2022 | 11 | 24 |
| 2023 | 17 | 15 |
| 2024 | 14 | 7 |
| 2025 | 15 | 14 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flap folding device, box manufacturing device, box sealing device, and box packaging device5 May 2026US 12,617,570 B2Ishida Co., Ltd.
- Method of producing a packaging container, a packaging container and a curling tool28 Apr 2026US 12,612,204 B2GPI Systems AB
- Modular shipping assembly with insulator wrap and inner insulator boxes7 Apr 2026US 12,595,111 B2Pratt Corrugated Holdings, Inc.
- Box erecting device31 Mar 2026US 12,589,569 B2
- Closing device and method for closing foldable packages17 Mar 2026US 12,577,003 B2UHLMANN Pac-Systeme GmbH & Co.KG
- Lid adapter for trays for food products, related systems and methods1 Oct 2026US 2026/0296738 A1Graphic Packaging International, Inc.
- Compression drive mechanism for container panel sealing6 Aug 2026US 2026/0225338 A1
- Method of producing a packaging container, a packaging container and a curling tool6 Aug 2026US 2026/0225753 A1GPI Systems AB
- Modular shipping assembly with insulator wrap and inner insulator boxes9 Jul 2026US 2026/0193015 A1Pratt Corrugated Holdings, Inc.
- Assembly and method for sealing panels of a container18 Jun 2026US 2026/0166838 A1
Most cited
By later US patents
- Shoe box119US 7,392,931 B2Columbia Insurance Company · 2008
- Carton formation system61US 5,106,359 A1992
- Carton erection and sealing apparatus60US 4,578,054 A1986
- Apparatus for removing and erecting a folding-box blank42US 6,913,568 B2Robert Bosch GmbH · 2005
- Case opening and sealing apparatus39US 4,348,853 A1982