ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,158, issued on Feb. 24, was assigned to Blue-White Industries Ltd. (Huntington Beach, Calif.).
"Diaphragm pump" was invented by Nicholas James Anderson (North Hollywood, Calif.), Robert E. Gledhill III (Huntington Beach, Calif.), Ricky Chandy Lee (Long Beach, Calif.) and John T. Nguyen (Fountain Valley, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A diaphragm pump can include an inlet, an outlet, and a pump chamber positioned in a fluid path between the inlet and outlet. The assembly can include a diaphragm and a movable piston. Movement of the piston toward the pump chamber can force a portion of the diaphragm to move from its rest positio...