ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,880, issued on Nov. 11, was assigned to BOEHRINGER INGELHEIM PHARMA GMBH & Co. KG (Ingelheim am Rhein, Germany).
"Cleaning method, control apparatus and connecting device" was invented by Rainer Bauer (Ingelheim am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning method for sectional cleaning of a filter having several filter sections, the filter sections being cleaned within a cleaning cycle in cleaning processes separated in time from one another, the cleaning method having at least two cleaning cycles and both a time interval between the cleaning processes within the respective cleaning cycle and also a time interval betwe...