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B01D 33/0353

Self-supporting

Official title: {self-supporting}

B01D33/0353 (Self-supporting) appears on 34 US grants and 26 published applications in this corpus.

Search patents in B01D

Granted patents: 34
Published applications: 26
Assignees: 18
Inventors: 43
Latest grant: 12 Aug 2025

Filings by year

B01D 33/0353: granted patents and published applications per publication year
Year	Granted patents	Published applications
1983	1	0
1984	1	0
1985	1	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	2	0
1992	2	0
1993	1	0
1994	1	0
1995	1	0
1996	1	0
1997	0	0
1998	1	0
1999	0	0
2000	1	0
2001	0	0
2002	1	0
2003	0	2
2004	0	0
2005	0	0
2006	1	0
2007	1	2
2008	0	0
2009	0	1
2010	0	0
2011	1	0
2012	0	0
2013	1	2
2014	0	1
2015	1	2
2016	0	2
2017	1	1
2018	0	1
2019	1	3
2020	3	4
2021	1	2
2022	2	1
2023	2	1
2024	2	0
2025	3	0
2026	0	1

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

Subgroups

Granted patents

Recent patents

Hydro excavation vacuum apparatus and fluid storage and supply systems thereof12 Aug 2025US 12,385,215 B2Vermeer Manufacturing Company
Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site15 Apr 2025US 12,276,080 B2Vermeer Manufacturing Company
Dewatering screen7 Jan 2025US 12,186,688 B2CDE Global Limited
Hydro excavation vacuum apparatus3 Sep 2024US 12,077,936 B2Vermeer Manufacturing Company
Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site20 Feb 2024US 11,905,677 B2Vermeer Manufacturing Company

Most cited

By later US patents