B29C 66/534

Joining single elements to open ends of tubular or hollow articles or

Official title: {Joining single elements to open ends of tubular or hollow articles or to the ends of bars}

B29C66/534 (Joining single elements to open ends of tubular or hollow articles or) appears on 2,139 US grants and 1,843 published applications in this corpus.

Search patents in B29C

Granted patents: 2,139
Published applications: 1,843
Assignees: 1,422
Inventors: 4,352
Latest grant: 18 Aug 2026

Filings by year

B29C 66/534: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	29	0
1977	23	0
1978	27	0
1979	18	0
1980	24	0
1981	30	0
1982	24	0
1983	25	0
1984	17	0
1985	24	0
1986	31	0
1987	33	0
1988	46	0
1989	37	0
1990	38	0
1991	43	0
1992	40	0
1993	44	0
1994	42	0
1995	50	0
1996	38	0
1997	40	0
1998	48	0
1999	34	0
2000	44	0
2001	45	11
2002	28	50
2003	35	70
2004	45	90
2005	36	86
2006	32	88
2007	41	74
2008	41	92
2009	31	80
2010	51	70
2011	61	88
2012	56	80
2013	51	70
2014	56	86
2015	66	92
2016	48	85
2017	65	78
2018	64	93
2019	84	67
2020	71	79
2021	61	62
2022	61	72
2023	53	59
2024	46	55
2025	40	42
2026	22	24

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

Joining single elements to open ends of tubular or hollow articles or

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