ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,570, issued on March 31, was assigned to K & N Engineering Inc. (Corona, Calif.).
"Pleated filter preparation system" was invented by Steve Williams (Riverside, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pleated filter preparation system is provided for accurately counting pleats along a continuous sheet of pleated filter material and cutting the sheet into filter strips to be formed into filters. The pleated filter preparation system includes a pleat driver having multiple drive gears that engage with the pleats of the pleated filter material to move the pleated filter material through the system. A pleat counter counts peaks and vall...