B65D 2517/504
Details of preformed openings
B65D2517/504 (Details of preformed openings) appears on 66 US grants and 47 published applications in this corpus.
Search patents in B65D- Granted patents
- 66
- Published applications
- 47
- Assignees
- 45
- Inventors
- 127
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 5 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 6 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 4 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 3 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 4 | 4 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 2517/5043Provided with a flangeIndexing code31
- B65D 2517/5056The edge of the preformed opening having a covering element or coatingIndexing code17
- B65D 2517/5059Provided with a plurality of openingsIndexing code9
- B65D 2517/5062The edge of the preformed opening being provided with incisions or notchesIndexing code6
- B65D 2517/5064The punched-out part of the preformed opening is re-inserted in the preformedIndexing code5
- B65D 2517/5067Provided with a "tongue"Indexing code4
- B65D 2517/507Unusual detailsIndexing code3
Recent patents
- Resealable can end with stay on tab29 Jul 2025US 12,371,224 B2Ball Corporation
- Can lid and method for producing a can lid3 Jun 2025US 12,319,467 B2Top Cap Holding GmbH
- Peelable resealable membrane for containers24 Dec 2024US 12,172,798 B2Sonoco Development, Inc.
- Heat sealed lid and can11 Jul 2023US 11,697,539 B2Nippon Steel Corporation
- Peelable resealable membrane for containers17 Jan 2023US 11,554,894 B2Sonoco Development, Inc.
- Composite film for sealable and peelable lidding to be sealed against plain tinplate10 Sep 2026US 2026/0264929 A1Amcor Flexibles North America, Inc.
- Resealable can end with stay on tab16 Oct 2025US 2025/0320025 A1
- Peelable resealable membrane for containers6 Mar 2025US 2025/0073766 A1Sonoco Development, Inc.
- Can lid and method for producing a can lid19 Oct 2023US 2023/0331435 A1Top Cap Holding GmbH
- Peelable resealable membrane for containers20 Apr 2023US 2023/0121740 A1Sonoco Development, Inc.
Most cited
By later US patents
- Convenience opening of containers for liquid products95US 4,029,033 AThe Continental Group, Inc. · 1977
- Container with attached closure81US 4,084,721 AThe Continental Group, Inc. · 1978
- Easy-opening composite closure for hermetic sealing of a packaging container by double seaming76US 5,069,355 ASonoco Products Company · 1991
- Easy-opening closure for retortable container65US 7,055,713 B2Sonoco Development, Inc. · 2006
- Easy opening ventable closure for sealed particulate product package54US 5,688,544 AKraft Foods, Inc. · 1997