ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,692, issued on Sept. 8, was assigned to CECO ENVIRONMENTAL IP INC. (Dallas).
"Tandem seal pump" was invented by Brian Schnelzer (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump having tandem seals includes a pump shaft, a pump housing, an inboard seal, an outboard seal, and a gland assembly. The pump housing defines a primary chamber between an interior surface of the pump housing and an outer surface of the pump shaft when the pump shaft is disposed within the pump housing. The inboard seal, the outboard seal, and the gland assembly are configured to be disposed within the primary chamber of the pump housing. The gland assembly is disp...