ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,070, issued on Oct. 7, was assigned to INSIGHT ANALYTICAL SOLUTIONS INC (Calgary, Canada).
"Membrane filter assembly" was invented by Kevin Harris (Calgary, Canada) and Philip C. Harris (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a membrane filter assembly for analytical sample systems, and a sample system block assembly having a built-in membrane filter assembly. The filter assembly has a housing having recessed inner face having non-uniform depth, and a cover member having a plurality of concentric grooves and a radially oriented shallow groove crossing the concentric grooves, wherein the grooves each have...