ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,940, issued on May 5, was assigned to W. L. Gore & Associates Inc. (Newark, Del.).
"Multilayer vent assembly" was invented by William Kinder (Newark, Del.) and Scott Zero (Newark, Del.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vent assembly include a membrane stack, the membrane stack including a plurality of membranes and an air gap between adjacent membranes in the plurality of membranes, wherein each membrane in the plurality of membranes includes a non-fluoropolymer and substantially occlude each other in the membrane stack."
The patent was filed on Aug. 6, 2025, under Application No. 19/291,718.
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