ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,054, issued on March 25, was assigned to NIFCO AMERICA CORP. (Canal Winchester, Ohio).
"Equalization shutoff valve" was invented by William Russell Rhoades (Columbus, Ohio) and Christopher Keegan Bulger (Hilliard, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "An equalization shutoff valve includes a housing having an outward extending flange around an open end of the housing, retaining clips attached to the flange configured to engage a battery pack compartment, and piston guides disposed inside the housing; a piston having guide notches engaging the piston guides, and a first flow port; a spring disposed between the housing and the piston to...