ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,338, issued on Oct. 14, was assigned to Electronic Power Design Inc. (Houston).
"Mobile electric fracking trailer power supply system" was invented by John Bradford Janik (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system having an efracking trailer, a first low efficiency efracking six mega volt ampere (MVA) transformer attached to the efracking trailer; an efracking transformer core inside of the efracking transformer; and a cooling fan attached to the efracking trailer, wherein the cooling fan forces chilled air into the efracking transformer core."
The patent was filed on March 16, 2022, under Application No. 17/696,163.
*For fur...