Individual holder
SPILS RICHARD W
5 granted patents·65 citations·filing 1980–1985
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0158US4363464AAngle globe valveSPILS RICHARD W·Filed 1980·Granted Dec 14, 1982·19 cites·7 claims
- 0255US4503884AAngle globe valveSPILS RICHARD W·Filed 1984·Granted Mar 12, 1985·17 cites·11 claims
- 0344US4607819AHigh pressure radial flow valveSPILS RICHARD W·Filed 1985·Granted Aug 26, 1986·13 cites·11 claims
- 0441US4504040AMultiple stage valveSPILS RICHARD W·Filed 1982·Granted Mar 12, 1985·10 cites·2 claims
- 0533US4494731AValve having a movable interface isolating an actuating mechanismSPILS RICHARD W·Filed 1982·Granted Jan 22, 1985·6 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →