B31B 50/83
Cutting window openings
B31B50/83 (Cutting window openings) appears on 33 US grants and 24 published applications in this corpus.
Search patents in B31B- Granted patents
- 33
- Published applications
- 24
- Assignees
- 20
- Inventors
- 61
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 4 |
| 2019 | 2 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 4 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tamper evident hybrid resealable container26 Dec 2023US 11,851,253 B2Sonoco Development, Inc.
- Flexible packaging structure with a built-in opening and reclose feature7 Nov 2023US 11,807,438 B2Sonoco Development, Inc.
- Method and apparatus for substrate stripping10 Oct 2023US 11,780,108 B2Highcon Systems Ltd.
- Tamper evident hybrid resealable container7 Mar 2023US 11,597,559 B2Sonoco Development, Inc.
- Process for forming a window in a carton12 Jul 2022US 11,383,474 B2Carton Service CSI, LLC
- Packaging box showing different open and closed images, method of preparing the same, and applications of the same4 Jun 2026US 2026/0152316 A1China Tobacco Yunnan Industrial Co., Ltd
- Beverage cup, a beverage cup blank and/or a method of manufacturing the same2 Oct 2025US 2025/0304311 A1
- Tamper evident hybrid resealable container8 Jun 2023US 2023/0174269 A1Sonoco Development, Inc.
- Containers comprising cellulose hydrate and methods of manufacture10 Feb 2022US 2022/0041319 A1
- Flexible packaging structure with a built-in opening and reclose feature10 Feb 2022US 2022/0041358 A1Sonoco Development, Inc.
Most cited
By later US patents
- Method of installing plastic window in a box cover67US 4,182,224 AChampion International Corporation · 1980
- Die cut window laminating device36US 4,549,917 AAdolph Coors Company · 1985
- Method and apparatus for producing a laminated composite material having perforated inner layer35US 4,795,513 AAdolph Coors Company · 1989
- Holder for a panel cutting plate25US 4,823,659 ARofalex International Inc. · 1989
- Flexible die and supporting cylinder25US 5,782,156 AWinkler & Dunnebier · 1998