US Patent Issued to empirical innovations on July 28 for "Centrifugal separators and separation methods providing intermediate material ejection control" (South Dakota Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,457, issued on July 28, was assigned to empirical innovations inc. (Dakota Dunes, S.D.).

"Centrifugal separators and separation methods providing intermediate material ejection control" was invented by Nicholas A Roth (Dakota Dunes, S.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separator includes a drum ejection passage control element and an intermediate ejection control element both mounted on a drum assembly. The drum ejection passage control element is moveable between a first position and a second position. In the second position a drum ejection passage is open for ejection of material from a maximum diameter of a separator volume, whil...