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F15C 3/02

Circuit elements having moving parts: using spool valves

Official title: using spool valves

F15C3/02 (Circuit elements having moving parts: using spool valves) appears on 19 US grants and 1 published applications in this corpus.

Search patents in F15C

Granted patents: 19
Published applications: 1
Assignees: 15
Inventors: 24
Latest grant: 25 Oct 2022

Filings by year

F15C 3/02: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	1	0
1978	3	0
1979	0	0
1980	0	0
1981	2	0
1982	1	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	1	0
1995	1	0
1996	1	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	1	0
2002	1	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	0	0
2018	0	0
2019	0	0
2020	0	0
2021	4	1
2022	1	0

By publication year. Applications have been published since 2001.

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