Assignee
HYDRO RAIN INC
4 granted patents·105 citations·filing 1977–1981
Top patents by PatentIndex Score
4 records- 0187US4301992ADiaphragm valveHYDRO RAIN INC·Filed 1979·Granted Nov 24, 1981·49 cites·10 claims
- 0284US4336918ADiaphragm valve with multiple pivot axis valve elementHYDRO RAIN INC·Filed 1980·Granted Jun 29, 1982·49 cites·18 claims
- 0331US4149045AAutomatic controllerHYDRO RAIN INC·Filed 1977·Granted Apr 10, 1979·2 cites·15 claims
- 0422US4310021AControl valveHYDRO RAIN INC·Filed 1981·Granted Jan 12, 1982·5 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →