B65D 2401/55
Based on a change or a contrast in colour
Official title: based on a change or a contrast in colour
B65D2401/55 (Based on a change or a contrast in colour) appears on 88 US grants and 87 published applications in this corpus.
Search patents in B65D- Granted patents
- 88
- Published applications
- 87
- Assignees
- 64
- Inventors
- 181
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 0 | 1 |
| 2005 | 2 | 4 |
| 2006 | 1 | 5 |
| 2007 | 0 | 4 |
| 2008 | 1 | 5 |
| 2009 | 1 | 1 |
| 2010 | 3 | 4 |
| 2011 | 2 | 3 |
| 2012 | 3 | 4 |
| 2013 | 4 | 1 |
| 2014 | 2 | 7 |
| 2015 | 1 | 1 |
| 2016 | 4 | 9 |
| 2017 | 4 | 1 |
| 2018 | 5 | 6 |
| 2019 | 3 | 7 |
| 2020 | 2 | 4 |
| 2021 | 4 | 1 |
| 2022 | 4 | 6 |
| 2023 | 3 | 3 |
| 2024 | 5 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Paper based corrugated envelope18 Aug 2026US 12,709,438 B2Aum Paper Products Private Limited
- Tamper-indicating systems21 Apr 2026US 12,607,566 B1National Technology & Engineering Solutions of Sandia, LLC
- Closure system and kit25 Nov 2025US 12,479,637 B2Hoffmann-La Roche Inc.
- Closure device10 Jun 2025US 12,325,559 B2UAB Baltic caps
- Packaging for tobacco industry products9 Jul 2024US 12,030,704 B2British American Tobacco (Investments) Limited
- Dispensing devices, dispensing systems, and methods of use2 Jul 2026US 2026/0184489 A1Security Equipment Corporation
- Container with Hinged Tamper Indicator18 Dec 2025US 2025/0382109 A1D&W Fine Pack
- Container Having A Resealable Cap18 Jul 2024US 2024/0239559 A1Renew Health Ltd
- Closure device4 Jul 2024US 2024/0217707 A1UAB Baltic caps
- Closure system and kit15 Feb 2024US 2024/0051719 A1Hoffmann-La Roche Inc.
Most cited
By later US patents
- Tamper indication device108US 5,882,116 A1999
- Tamper evident peelable seal103US 5,492,411 AReynolds Consumer Products, Inc. · 1996
- Adhesive closure for flexible bag85US 5,832,145 ADowbrands L.P. · 1998
- Adhesive closure having enhanced burst strength for flexible bag71US 5,791,783 ADowbrands L.P. · 1998
- Resealable closure with package integrity feature69US 8,114,451 B2Kraft Foods Global Brands LLC · 2012