Inventor · disambiguated record
William R. Evenson
Also filed as: EVENSON WILLIAM R
4 granted patents·77 citations·filing 1980–1987
78Inventor score
Top patents by PatentIndex Score
4 records- 0166US4613290AEvacuated pumping systemLEFCO WESTERN INC·Filed 1984·Granted Sep 23, 1986·23 cites·1 claims
- 0256US4659293APumping system with air conveyance and methodLEFCO WESTERN INC·Filed 1985·Granted Apr 21, 1987·19 cites·2 claims
- 0351US4924898AVacuum assisted material moverGNI GROUP INC·Filed 1987·Granted May 15, 1990·21 cites·7 claims
- 0449US4337017AHydraulic sleeve valve and seal arrangement for piston pumpEVENSON WILLIAM R·Filed 1980·Granted Jun 29, 1982·14 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →