ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,333, issued on Aug. 19, was assigned to Graco Minnesota Inc. (Minneapolis).
"Diaphragm pump drive for an electric pump" was invented by Bradley H. Hines (Andover, Minn.), Brian W. Koehn (Minneapolis) and Paul W. Scheierl (Chisago City, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A displacement pump includes an electrically powered drive having a drive housing. The drive is at least partially disposed in the drive housing and is configured to provide reciprocating linear motion to a diaphragm. The diaphragm is captured between an adaptor mountable to the drive housing and a fluid cover. The adaptor includes an inner mounting portion interfac...