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E04D 2013/0853

Valves for controlling the rain water flow

Official title: {Valves for controlling the rain water flow}

E04D2013/0853 (Valves for controlling the rain water flow) appears on 29 US grants and 29 published applications in this corpus.

Search patents in E04D

Granted patents: 29
Published applications: 29
Assignees: 9
Inventors: 47
Latest grant: 23 Dec 2025

Filings by year

E04D 2013/0853: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	0	0
1978	0	0
1979	0	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	1	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	1	0
1993	0	0
1994	0	0
1995	0	0
1996	2	0
1997	0	0
1998	1	0
1999	0	0
2000	1	0
2001	0	0
2002	0	1
2003	1	0
2004	0	2
2005	1	1
2006	1	1
2007	0	0
2008	0	1
2009	1	1
2010	1	2
2011	0	2
2012	0	0
2013	2	0
2014	1	1
2015	0	1
2016	1	1
2017	1	3
2018	2	3
2019	2	1
2020	1	1
2021	3	2
2022	0	2
2023	0	0
2024	0	3
2025	4	0

By publication year. Applications have been published since 2001.

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