B65D 41/3461
The tamper element being retracted by heat or by heat and pressure
Official title: {the tamper element being retracted by heat or by heat and pressure}
B65D41/3461 (The tamper element being retracted by heat or by heat and pressure) appears on 32 US grants and 15 published applications in this corpus.
Search patents in B65D- Granted patents
- 32
- Published applications
- 15
- Assignees
- 18
- Inventors
- 51
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Closures with tamper evidence21 Apr 2026US 12,606,352 B2Husky Injection Molding Systems Ltd.
- Closures with tamper evidence31 Mar 2026US 12,589,917 B2Husky Injection Molding Systems Ltd.
- Closures with tamper evidence10 Mar 2026US 12,570,441 B2Husky Injection Molding Systems Ltd.
- Closures with tamper evidence25 Nov 2025US 12,479,630 B2Husky Injection Molding Systems Ltd.
- Method of securing a closure on a container13 May 2025US 12,297,011 B2Husky Injection Molding Systems Ltd.
- Closures with tamper evidence25 Jun 2026US 2026/0176029 A1Husky Injection Molding Systems Ltd.
- Closures with tamper evidence18 Jun 2026US 2026/0167389 A1Husky Injection Molding Systems Ltd.
- Closures with tamper evidence13 Nov 2025US 2025/0346406 A1Husky Injection Molding Systems Ltd.
- Screw cap7 Aug 2025US 2025/0250066 A1Toyo Seikan Group Holdings, Ltd.
- Closures with tamper evidence20 Feb 2025US 2025/0058939 A1Husky Injection Molding Systems Ltd.
Most cited
By later US patents
- Vented closure88US 4,427,126 AEthyl Products Company · 1984
- Linerless closure for pressurized container47US 4,206,852 AAluminum Company of America · 1980
- Closure for containers45US 4,033,472 AAlbert Obrist AG · 1977
- Composite closure45US 4,407,422 AH-C Industries, Inc. · 1983
- Bottle caps41US 4,476,987 AMaxcap, Inc. · 1984