B31B 50/003
Straightening the side walls of boxes
Official title: {Straightening the side walls of boxes; Squaring collapsed folded box blanks; Deforming boxes}
B31B50/003 (Straightening the side walls of boxes) appears on 46 US grants and 39 published applications in this corpus.
Search patents in B31B- Granted patents
- 46
- Published applications
- 39
- Assignees
- 43
- Inventors
- 88
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 2 | 1 |
| 2020 | 0 | 3 |
| 2021 | 4 | 5 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 5 | 2 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Opening and shaping box blank of packing box19 May 2026US 12,629,910 B2Shanghai Soontrue Machinery Equipment Co., Ltd.
- Box erecting apparatus and method12 Aug 2025US 12,384,127 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Case-handling device with folding guides1 Jul 2025US 12,344,424 B2Signode Industrial Group LLC
- Machine for forming a container from a blank15 Apr 2025US 12,275,211 B2WestRock Shared Services, LLC
- Machine for forming a container from a blank14 May 2024US 11,981,102 B2WestRock Shared Services, LLC
- Opening and shaping box blank of packing box20 Nov 2025US 2025/0353270 A1Shanghai Soontrue Machinery Equipment Co., Ltd.
- Box erecting apparatus and method13 Nov 2025US 2025/0346014 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Machine for forming a container from a blank5 Sep 2024US 2024/0293990 A1WestRock Shared Services, LLC
- Box erecting apparatus and method16 May 2024US 2024/0157665 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Box forming apparatus and box forming and packing system20 Jul 2023US 2023/0226792 A1Ishida Co., Ltd.
Most cited
By later US patents
- Machine and method for forming reinforced polygonal containers from blanks38US 8,105,223 B2Smurfit-Stone Container Enterprises, Inc. · 2012
- Box inspection device and method37US 5,212,656 APrime Technology LLC · 1993
- Method and apparatus for squaring cases29US 6,764,436 B12004
- Expandable type lid welding piston21US 4,724,654 AAkerlund & Rausing Licens Aktiebolag · 1988
- Carton blank folding, glueing and stapling apparatus13US 4,585,432 ASociete de Developpement de Materiels D'Emballage - Sodeme · 1986