B01D 29/62

Regenerating the filter material in the filter

Official title: Regenerating the filter material in the filter (devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, B01D35/12)

B01D29/62 (Regenerating the filter material in the filter) appears on 1,970 US grants and 1,377 published applications in this corpus.

Search patents in B01D

Granted patents: 1,970
Published applications: 1,377
Assignees: 1,093
Inventors: 3,327
Latest grant: 6 Oct 2026

Filings by year

B01D 29/62: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	28	0
1977	26	0
1978	28	0
1979	17	0
1980	21	0
1981	40	0
1982	24	0
1983	28	0
1984	32	0
1985	27	0
1986	36	0
1987	42	0
1988	34	0
1989	43	0
1990	44	0
1991	44	0
1992	49	0
1993	50	0
1994	33	0
1995	51	0
1996	43	0
1997	54	0
1998	48	0
1999	49	0
2000	41	0
2001	48	13
2002	52	50
2003	49	52
2004	34	57
2005	28	43
2006	28	26
2007	17	36
2008	19	41
2009	14	32
2010	24	39
2011	29	42
2012	35	49
2013	33	66
2014	32	83
2015	48	80
2016	48	69
2017	40	68
2018	53	61
2019	57	63
2020	63	64
2021	62	59
2022	37	66
2023	48	63
2024	63	71
2025	44	53
2026	33	31

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

Regenerating the filter material in the filter

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