Assignee
SMITH VALVE CORP
US·3 granted patents·49 citations·filing 1980–1985
Top patents by PatentIndex Score
3 records- 0162US4548384ATop entry metal-seated ball valveSMITH VALVE CORP·Filed 1983·Granted Oct 22, 1985·24 cites·6 claims
- 0251US4632140ATop entry ball valveSMITH VALVE CORP·Filed 1985·Granted Dec 30, 1986·18 cites·12 claims
- 0345US4326754AValve and actuator assembly for railroad car air brake systemSMITH VALVE CORP·Filed 1980·Granted Apr 27, 1982·7 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →