ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,441, issued on Aug. 19, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Pressure relief assemblies and methods" was invented by David Prymula (Glenview, Ill.) and Bret Shankleton (Glenview, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A closure 20 for a pressurized container having a plate with a top side 24 and a bottom side 28, a first notch 22 that extends about a first axis A1 along the top side, and a second notch 26 that extends about the first axis along the bottom side. The first and second notch form a membrane 62 that is capable of being ruptured when a maximum pressure causes the membrane to rupture."

The patent was fi...