ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,438, issued on March 11, was assigned to Cardinal CG Co. (Eden Prairie, Minn.).

"Double-pane insulating glazing units" was invented by Keith James Burrows (Mineral Point, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a double-pane insulating glazing unit having a single between-pane space. The single between-pane space is located between the two glass panes. Preferably, the double-pane insulating glazing unit is devoid of a third glass pane. The double-pane insulating glazing unit has an aerogel layer located in the between-pane space."

The patent was filed on July 30, 2021, under Application No. 17/389,603.

*For furt...