ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,670, issued on Sept. 8, was assigned to Helion Energy Inc. (Everett, Wash.).

"Hybrid gettering diffusion pump" was invented by David Kirtley (Seattle), Anthony Pancotti (Kenmore, Wash.) and Christopher James Pihl (Woodinville, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum pump includes a liquid getter that is sprayed into a pump chamber. The sprayed liquid getter can chemically bind with gaseous substance in the pump chamber to create ultra-low pressure in the pump chamber and an attached vacuum chamber. The liquefied getter can be circulated and recycled in the vacuum pump."

The patent was filed on Dec. 11, 2023, under Application ...