US Patent Issued to Lasting Image Laser Etching on Sept. 2 for "Apparatus and method for solar heat collection" (North Dakota, Minnesota Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,012, issued on Sept. 2, was assigned to Lasting Image Laser Etching Co. (Fargo, N.D.).

"Apparatus and method for solar heat collection" was invented by Daniel S. Hokanson (Fargo, N.D.) and Greg M. Smith (Sabin, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Subterranean thermal capacitance for an environmental-control apparatus mechanized via a solar thermal system. The method and apparatus use a solar collector and a plurality of heating-energy-storage cells that are each thermally insulated from one another, wherein heating energy-transfer fluid (HETF) coming from the solar collector is transferred to the energy-storage cell having the highe...