B65D 41/3438
The tamper element being formed separately but connected to the closure
Official title: {the tamper element being formed separately but connected to the closure}
B65D41/3438 (The tamper element being formed separately but connected to the closure) appears on 38 US grants and 18 published applications in this corpus.
Search patents in B65D- Granted patents
- 38
- Published applications
- 18
- Assignees
- 38
- Inventors
- 63
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 3 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Foilless caps16 Jun 2026US 12,654,912 B2Nypro Inc.
- Apparatus and method for injection moulding a cap with a tamperproof ring13 Apr 2021US 10,974,872 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Fresh-keeping bottle17 Sep 2019US 10,414,572 B2Anhui Mingzhuang Plastic Industry Co. Ltd
- Hybrid plug and method of sealing a drum28 May 2019US 10,301,079 B2
- Closure with hinged tamper band10 Apr 2018US 9,938,050 B2Silgan White Cap LLC
- Chemical container cap breakseal, chemical container cap thereof, and chemical container assembly thereof5 Feb 2026US 2026/0035144 A1Entegris, Inc.
- Foilless Caps11 Aug 2022US 2022/0250805 A1Nypro Inc.
- Pet container cap with simultaneously separable end ring19 May 2022US 2022/0153467 A1Misojieum Co., Ltd.
- Apparatus and method for injection moulding a cap with a tamperproof ring4 Apr 2019US 2019/0100359 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Tamper evidence device for roll-on pilfer proof closures21 Mar 2019US 2019/0084728 A1Ball Corporation
Most cited
By later US patents
- Tamper evident closure and method of manufacture of the same97US 4,919,285 AThoroughbred Plastics Corp. · 1990
- Flask for sterile liquids66US 4,493,427 AStericric SA · 1985
- Sterile closure cap48US 4,157,144 ABehringwerke Aktiengesellschaft · 1979
- Lid for a container neck provided with a thread or undercut shoulder47US 4,511,053 AAlcoa Deutschland GmbH · 1985
- Tamper-evident plastic closure system with snap-on band39US 6,382,444 B1Sentinel Packaging Systems, Inc. · 2002