patentgrepDocs Get an API key

E03B 5/06

Special equipment

Official title: Special equipment {, e.g. well seals and connections for well casings or the like}

E03B5/06 (Special equipment) appears on 29 US grants and 19 published applications in this corpus.

Search patents in E03B

Granted patents: 29
Published applications: 19
Assignees: 20
Inventors: 58
Latest grant: 23 Sep 2025

Filings by year

E03B 5/06: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	1	0
1978	0	0
1979	0	0
1980	0	0
1981	1	0
1982	1	0
1983	2	0
1984	0	0
1985	0	0
1986	1	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	0	0
1998	1	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	1	0
2010	0	0
2011	0	0
2012	0	0
2013	0	1
2014	0	0
2015	1	2
2016	0	3
2017	2	1
2018	0	3
2019	3	1
2020	2	1
2021	1	1
2022	1	1
2023	1	1
2024	3	3
2025	5	1

By publication year. Applications have been published since 2001.

Recent patents

Systems, apparatuses, and methods for changing a primary extraction location from an aquifer utilizing a custom extended pump sleeve (CEPS)23 Sep 2025US 12,421,698 B1Sevee & Maher Engineers, Inc.
Method and system for extracting water with consideration of the recharge rate and other factors to protect the aquifer19 Aug 2025US 12,392,116 B2Lamarr, Inc.
Well pump housing and transportation system5 Aug 2025US 12,378,753 B1
Assessing and remediating well clogging from mobile particles, systems, apparatuses, and methods29 Apr 2025US 12,287,271 B1Sevee & Maher Engineers, Inc.
Specific capacity measurement and estimation in a well, systems, apparatuses, and methods8 Apr 2025US 12,270,962 B1Sevee & Maher Engineers, Inc.

Most cited

By later US patents