B31B 50/722
On already formed boxes
Official title: {on already formed boxes}
B31B50/722 (On already formed boxes) appears on 31 US grants and 38 published applications in this corpus.
Search patents in B31B- Granted patents
- 31
- Published applications
- 38
- Assignees
- 25
- Inventors
- 64
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 7 |
| 2020 | 2 | 1 |
| 2021 | 1 | 4 |
| 2022 | 4 | 3 |
| 2023 | 0 | 1 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
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.
- Unwinding unit and method for unwinding a strip of heat sealing material for forming boxes from blanks6 May 2025US 12,291,414 B2Emmeci S.P.A.
- Packaging11 Feb 2025US 12,221,273 B2Lifetime Products, Inc.
- Systems and methods for folding and retaining box flaps30 Apr 2024US 11,969,967 B2Packsize LLC
- Production line for making a covered box5 Mar 2024US 11,919,271 B2Emmeci S.P.A.
- Flap folding device, box manufacturing device, box sealing device, and box packaging device7 Aug 2025US 2025/0250049 A1Ishida Co., Ltd.
- Method and apparatus for wrapping cardboard boxes13 Feb 2025US 2025/0050610 A1Emmeci S.P.A.
- Systems and methods for folding and retaining box flaps20 Jun 2024US 2024/0198620 A1Packsize LLC
- Box forming apparatus11 Apr 2024US 2024/0116260 A1Canon Finetech Nisca Inc.
- Production line for making a covered box26 Jan 2023US 2023/0025640 A1Emmeci S.P.A.
Most cited
By later US patents
- Container closing and opening article, system, and method18US 10,723,496 B2H. B. Fuller Company · 2020
- Apparatus for heat sealing round containers18US 4,344,814 AChampion International Corporation · 1982
- Duct forming machine15US 4,070,954 AGlass Master Corporation · 1978
- Taper13US 5,730,827 ADekka Industries Inc. · 1998
- Systems and methods for creating a manufacturer's joint and closing a box8US 9,227,373 B2Packsize LLC · 2016