Inventor
SCHULTZ DONALD LEE
US3 patents
Patents
3 patentsUS11261883B2Mar 1, 2022
Self-cleaning pneumatic fluid pump having poppet valve with propeller-like cleaning structure
Q E D ENV SYSTEMS INC3 citations64
US12097542B2Sep 24, 2024
Fluid pump having self-cleaning structure
Q E D ENV SYSTEMS INC1 citations54
US11529658B2Dec 20, 2022
Fluid pump having self-cleaning air inlet structure
Q E D ENV SYSTEMS INC0 citations54