B65D 5/54

Lines of weakness to facilitate opening of container or dividing it into

Official title: Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing ({B65D5/06, B65D5/5233, B65D5/5253 take precedence } ; break-in flaps, or members adapted to be torn-off, to provide pouring openings B65D5/70)

B65D5/54 (Lines of weakness to facilitate opening of container or dividing it into) appears on 1,372 US grants and 1,239 published applications in this corpus.

Search patents in B65D

Granted patents: 1,372
Published applications: 1,239
Assignees: 597
Inventors: 2,147
Latest grant: 6 Oct 2026

Filings by year

B65D 5/54: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	23	0
1977	11	0
1978	18	0
1979	8	0
1980	14	0
1981	14	0
1982	21	0
1983	19	0
1984	13	0
1985	19	0
1986	12	0
1987	14	0
1988	27	0
1989	28	0
1990	25	0
1991	25	0
1992	30	0
1993	35	0
1994	26	0
1995	25	0
1996	24	0
1997	16	0
1998	28	0
1999	24	0
2000	18	0
2001	13	4
2002	25	22
2003	12	29
2004	18	39
2005	23	53
2006	23	53
2007	18	54
2008	15	32
2009	18	28
2010	21	43
2011	28	53
2012	21	38
2013	32	52
2014	49	55
2015	45	48
2016	44	62
2017	41	65
2018	46	74
2019	59	64
2020	58	64
2021	44	69
2022	47	62
2023	49	60
2024	38	53
2025	52	38
2026	16	25

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Lines of weakness to facilitate opening of container or dividing it into

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