B31B 50/50
By interengaging tongues and slots
Official title: by interengaging tongues and slots
B31B50/50 (By interengaging tongues and slots) appears on 5 US grants and 5 published applications in this corpus.
Search patents in B31B- Granted patents
- 5
- Published applications
- 5
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Egg carton and formation apparatus and method17 Feb 2026US 12,552,596 B2Consider Provisions, LLC
- Egg carton and formation apparatus and method23 Apr 2024US 11,964,813 B2Consider Provisions, LLC
- Multiple-mode case erector18 Apr 2023US 11,628,644 B2Fallas Automation, Inc.
- Locking structure, container utilizing locking structure, and container assembling apparatus28 May 2019US 10,301,058 B2Rengo Co., Ltd.
- Method and device for folding blanks to form boxes16 Jun 1981US 4,273,548 AIndustrial Designs & Services
- Arrangement to mount onto a vertical-type automatic adhesive-free corrugated cardboard box machine and box mounting method21 May 2026US 2026/0138349 A1Cartocor S.A
- Egg carton and formation apparatus and method4 Jul 2024US 2024/0217727 A1Consider Provisions, LLC
- Multiple-mode case erector12 May 2022US 2022/0143945 A1Fallas Automation, Inc.
- Egg carton and formation apparatus and method17 Mar 2022US 2022/0081195 A1Consider Provisions, LLC
- Locking structure, container utilizing locking structure, and container assembling apparatus22 Dec 2016US 2016/0368652 A1Rengo Co., Ltd.
Most cited
By later US patents