B65G 53/00

Conveying materials in bulk through troughs, pipes or tubes by floating the

Official title: Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam

B65G53/00 (Conveying materials in bulk through troughs, pipes or tubes by floating the) appears on 2,240 US grants and 1,390 published applications in this corpus.

Search patents in B65G

Granted patents: 2,240
Published applications: 1,390
Assignees: 1,141
Inventors: 3,489
Latest grant: 6 Oct 2026

Filings by year

B65G 53/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	59	0
1977	53	0
1978	48	0
1979	50	0
1980	42	0
1981	41	0
1982	27	0
1983	45	0
1984	57	0
1985	61	0
1986	51	0
1987	48	0
1988	44	0
1989	54	0
1990	53	0
1991	53	0
1992	52	0
1993	46	0
1994	28	0
1995	31	0
1996	27	0
1997	26	0
1998	33	0
1999	24	0
2000	30	0
2001	40	11
2002	36	25
2003	37	43
2004	35	39
2005	21	38
2006	28	30
2007	17	29
2008	21	41
2009	25	40
2010	18	48
2011	26	48
2012	29	45
2013	30	49
2014	34	79
2015	54	88
2016	74	85
2017	96	103
2018	90	92
2019	71	82
2020	82	74
2021	73	69
2022	50	56
2023	46	46
2024	50	53
2025	42	44
2026	32	33

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

Conveying materials in bulk through troughs, pipes or tubes by floating the

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