B65D 41/34
Threaded or like caps or cap-like covers provided with tamper elements formed
Official title: Threaded or like caps or cap-like covers {provided with tamper elements formed in, or attached to, the closure skirt}
B65D41/34 (Threaded or like caps or cap-like covers provided with tamper elements formed) appears on 1,333 US grants and 1,012 published applications in this corpus.
Search patents in B65D- Granted patents
- 1,333
- Published applications
- 1,012
- Assignees
- 513
- Inventors
- 1,547
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 14 | 0 |
| 1981 | 11 | 0 |
| 1982 | 15 | 0 |
| 1983 | 17 | 0 |
| 1984 | 27 | 0 |
| 1985 | 44 | 0 |
| 1986 | 35 | 0 |
| 1987 | 33 | 0 |
| 1988 | 36 | 0 |
| 1989 | 32 | 0 |
| 1990 | 24 | 0 |
| 1991 | 26 | 0 |
| 1992 | 25 | 0 |
| 1993 | 28 | 0 |
| 1994 | 26 | 0 |
| 1995 | 22 | 0 |
| 1996 | 23 | 0 |
| 1997 | 33 | 0 |
| 1998 | 35 | 0 |
| 1999 | 34 | 0 |
| 2000 | 31 | 0 |
| 2001 | 25 | 11 |
| 2002 | 25 | 19 |
| 2003 | 19 | 25 |
| 2004 | 22 | 33 |
| 2005 | 13 | 40 |
| 2006 | 12 | 26 |
| 2007 | 10 | 28 |
| 2008 | 11 | 29 |
| 2009 | 17 | 24 |
| 2010 | 17 | 24 |
| 2011 | 17 | 22 |
| 2012 | 20 | 21 |
| 2013 | 28 | 22 |
| 2014 | 13 | 25 |
| 2015 | 21 | 39 |
| 2016 | 23 | 28 |
| 2017 | 25 | 44 |
| 2018 | 25 | 53 |
| 2019 | 49 | 61 |
| 2020 | 35 | 62 |
| 2021 | 51 | 65 |
| 2022 | 46 | 81 |
| 2023 | 54 | 65 |
| 2024 | 54 | 69 |
| 2025 | 67 | 59 |
| 2026 | 35 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 41/3423With flexible tabs, or elements rotated from a non-engaging to an engaging548
- B65D 41/3442With rigid bead or projections formed on the tamper element and coacting452
- B65D 41/3404With ratchet-and-pawl mechanism between the container and the closure skirt or the293
- B65D 41/348The tamper element being rolled or pressed to conform to the shape57
- B65D 41/3461The tamper element being retracted by heat or by heat and pressure32
- B65D 41/3495The tamper element being bonded or adhered to the container wall26
- B65D 41/36With bayonet cams , i.e. removed by first pushing axially to disengage15
- B65D 41/38Engaging a threaded ring clamped on the external periphery of the neck14
Recent patents
- Tamper-evident and child safety container6 Oct 2026US 12,752,984 B2
- Closure with retaining ring and tamper evidence band29 Sep 2026US 12,747,076 B2Husky Injection Molding Systems Ltd.
- Antimicrobial bottle with antimicrobial seal29 Sep 2026US 12,747,085 B2Microban Products Company
- Polyester resin closures for containers1 Sep 2026US 12,722,351 B2Origin Materials Operating, Inc.
- Cap for containers18 Aug 2026US 12,709,442 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Method for producing a closure cap for containers1 Oct 2026US 2026/0295911 A1Georg Menshen GmbH & Co. KG
- Closing cap for a container24 Sep 2026US 2026/0285548 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Tethered, Hinged Closure24 Sep 2026US 2026/0285549 A1Silgan White Cap LLC
- Resource-saving closure unit17 Sep 2026US 2026/0274521 A1Bericap Holding GmbH
- Closing cap for a container and relative making method17 Sep 2026US 2026/0274532 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
Most cited
By later US patents
- Process for making a closure148US 4,497,765 AH-C Industries, Inc. · 1985
- Composite cap including tamper indicating band146US 4,981,230 AContinental White Cap, Inc. · 1991
- Screw cap with tamper-proof hold ring143US 4,394,918 ACharles A. Breskin Assoc. Inc. · 1983
- Threaded plastic bottle cap107US 4,322,012 ADairy Cap Corporation · 1982
- Anti-missiling bottle structure101US 4,007,848 AZapata Industries, Inc. · 1977