ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,963, issued on April 7, was assigned to Power & Industrial Services Corp. (Denora, Pa.).
"Heat recovery steam generator access door assembly and method of installation" was invented by Michael Lance Rhoades (South Park, Pa.) and Albert Charles Suter IV (McMurray, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An efficient method of installing an access door in a high temperature structure having an outer door casing spaced from an inner door liner, wherein the casing and liner are aligned to thereby define a passageway through a wall of the structure. The space between the casing, the liner and the structure wall is filled with compressed insula...