Assignee
WINN CHARLES VALVES
GB·6 granted patents·92 citations·filing 1978–1990
Top patents by PatentIndex Score
6 records- 0159US4491298AButterfly valveWINN CHARLES VALVES·Filed 1982·Granted Jan 1, 1985·22 cites·3 claims
- 0258US4244387ARotary valve with temperature responsive seal meansWINN CHARLES VALVES·Filed 1978·Granted Jan 13, 1981·20 cites·3 claims
- 0352US4898363AButterfly and ball valvesWINN CHARLES VALVES·Filed 1989·Granted Feb 6, 1990·17 cites·9 claims
- 0449US4271858AButterfly valve having temperature responsive sealing meansWINN CHARLES VALVES·Filed 1978·Granted Jun 9, 1981·12 cites·1 claims
- 0543US4560142AButterfly and ball valvesWINN CHARLES VALVES·Filed 1983·Granted Dec 24, 1985·11 cites·8 claims
- 0639US4988076AValves having a turnable closure member such as a butterfly valveWINN CHARLES VALVES·Filed 1990·Granted Jan 29, 1991·10 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →