ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,690, issued on Jan. 27, was assigned to Graco Minnesota Inc. (Minneapolis).

"Stationary mix chamber" was invented by Christopher J. Pellin (Victoria, Minn.), Joseph E. Tix (Hastings, Minn.), Justin J. Weldon (Belle Plaine, Minn.) and John R. Ingebrand (New Prague, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fast-set, plural component, spray applicator (12) includes a stationary mix chamber (48) to eliminate dynamic metal-to-metal high pressure fluid sealing. The stationary mix chamber (48) mixes the plural components before dispensing the mixed components from the spray applicator."

The patent was filed on Dec. 1, 2021, under Application...