ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,815, issued on Nov. 3, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).
"Bonded articles" was invented by Robert P. McCollam (Vadnais Heights, Minn.) and Daniel J. Bakke (Minneapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "Articles are disclosed, and methods and apparatuses for making the same, the articles having two or more bonded layers, such as polymer layers. The two or more layers are bonded together by pressing the two or more layers between a first pressing surface and a second pressing surface to a pressure of at least 10,000 psi."
The patent was filed on Feb. 20, 2024, under Application No. 18/582,077.
*For further informat...