B65D 51/221
A major part of the inner closure being left inside the container
Official title: {a major part of the inner closure being left inside the container after the opening}
B65D51/221 (A major part of the inner closure being left inside the container) appears on 313 US grants and 310 published applications in this corpus.
Search patents in B65D- Granted patents
- 313
- Published applications
- 310
- Assignees
- 212
- Inventors
- 647
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 2 |
| 2003 | 1 | 6 |
| 2004 | 5 | 13 |
| 2005 | 6 | 9 |
| 2006 | 4 | 10 |
| 2007 | 4 | 12 |
| 2008 | 3 | 16 |
| 2009 | 4 | 15 |
| 2010 | 6 | 16 |
| 2011 | 8 | 15 |
| 2012 | 6 | 10 |
| 2013 | 12 | 10 |
| 2014 | 15 | 16 |
| 2015 | 10 | 13 |
| 2016 | 10 | 17 |
| 2017 | 10 | 17 |
| 2018 | 11 | 6 |
| 2019 | 13 | 29 |
| 2020 | 12 | 11 |
| 2021 | 12 | 9 |
| 2022 | 10 | 17 |
| 2023 | 13 | 11 |
| 2024 | 5 | 13 |
| 2025 | 12 | 10 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Closure with retaining ring and tamper evidence band29 Sep 2026US 12,747,076 B2Husky Injection Molding Systems Ltd.
- Container cap and method of piercing a seal covering an opening of a container12 May 2026US 12,623,820 B2AbbVie Inc.
- Dispensing closure14 Apr 2026US 12,600,537 B2AptarGroup, Inc.
- Dual functioning straw and drink spout24 Mar 2026US 12,583,651 B2Bomber Brands Inc.
- Closure assembly for a container and container having a closure assembly10 Feb 2026US 12,545,485 B2Tetra Laval Holdings & Finance S. A.
- Article and Method for Forming an Integrated Liner Seal, Dispensing Aperture and Spout16 Jul 2026US 2026/0200647 A1Tekni-Plex, Inc.
- Dispensing receptacle and bag apparatus21 May 2026US 2026/0138802 A1
- Dispensing assembly29 Jan 2026US 2026/0028164 A1Swimc LLC
- Container cap and container having same coupled thereto8 Jan 2026US 2026/0008598 A1
- Closure assembly for a container and container having a closure assembly8 Jan 2026US 2026/0008600 A1Tetra Laval Holdings & Finance S. A.
Most cited
By later US patents
- Needleless access stopper216US 5,433,330 AWest Corporation · 1995
- Medicament container stopper with integral spike access means208US 5,902,298 ABracco Research USA · 1999
- Protective safety cap for medicament vial170US 3,977,555 APharmaco, Inc. · 1976
- Safety cap for medicament vial having puncturable seal164US 3,940,003 APharmaco, Inc. · 1976
- Medicament container closure with integral spike access means139US 5,817,082 ABracco Diagnostics Inc. · 1998