B65D 55/026
Initial opening or unauthorised access being indicated by a visual change using
Official title: {initial opening or unauthorised access being indicated by a visual change using indicators other than tearable means, e.g. change of colour, pattern or opacity (B65D55/066 takes precedence)}
B65D55/026 (Initial opening or unauthorised access being indicated by a visual change using) appears on 187 US grants and 139 published applications in this corpus.
Search patents in B65D- Granted patents
- 187
- Published applications
- 139
- Assignees
- 109
- Inventors
- 347
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 5 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 7 |
| 2009 | 1 | 1 |
| 2010 | 4 | 3 |
| 2011 | 1 | 5 |
| 2012 | 0 | 2 |
| 2013 | 6 | 4 |
| 2014 | 3 | 12 |
| 2015 | 8 | 3 |
| 2016 | 6 | 16 |
| 2017 | 5 | 4 |
| 2018 | 8 | 12 |
| 2019 | 10 | 11 |
| 2020 | 7 | 7 |
| 2021 | 6 | 8 |
| 2022 | 7 | 9 |
| 2023 | 6 | 7 |
| 2024 | 10 | 3 |
| 2025 | 5 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Truly tamper-evident container3 Feb 2026US 12,540,017 B2
- Closure device9 Dec 2025US 12,492,050 B2Bericap Holding GmbH
- Single-use food preparation container assemblies, systems and methods19 Aug 2025US 12,390,050 B2Blix Ltd.
- Tamper evident bottle finish and cap assembly27 May 2025US 12,312,139 B2
- Closure for a thin-walled packaging provided with a spout4 Feb 2025US 12,214,949 B2Guala Pack S.P.A.
- Tamper evident flip top closure16 Jul 2026US 2026/0200646 A1Berry Global, Inc.
- Container lid having opening identification function16 Jul 2026US 2026/0200648 A1Mplb Co.,Ltd.
- Truly Tamper-evident Container30 Apr 2026US 2026/0116634 A1
- Tamper-Evident Container with Integrated Environmental Sensors for Storing and Monitoring Fine Wines5 Mar 2026US 2026/0062187 A1
- Container tamper detection capsule, container lid and capsule and lid production processes31 Jul 2025US 2025/0242985 A1Amorim Top Series, SA
Most cited
By later US patents
- Tamper indication device108US 5,882,116 A1999
- Tamper-evident structures101US 4,837,061 AAlcan International Limited · 1989
- Multilayer film for tamper indication by use of optical interference reflection100US 5,149,578 AThe Dow Chemical Company · 1992
- Stress-opacifying tamper indicating tape98US 4,557,505 AMinnesota Mining and Manufacturing Company · 1985
- Oxygen indicator for packaging97US 4,526,752 A1985