ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,003, issued on June 23, was assigned to Unibloc Hygienic Technologies UK Ltd. (Bolney, Great Britain).
"Double diaphragm pump" was invented by Sebastian Antoni Soyke (Bolney, Great Britain) and Robert George Grantham-Hill (Southwater, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improvement to an air operated double diaphragm pump may include ball guides to restrain movement of balls relative to suction and delivery seats to substantially linear travel, as opposed to the prior art three-dimensional travel. The guides may have curved surfaces to reduce wear on balls over prior art designs. The pumps may have supports and an intake ...