US Patent Issued to Vermeer Manufacturing on March 4 for "Material reduction machine with dynamic startup control" (Iowa Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,996, issued on March 4, was assigned to Vermeer Manufacturing Co. (Pella, Iowa).

"Material reduction machine with dynamic startup control" was invented by Joseph Edward Breja (Pella, Iowa) and David Isaac Barker (Des Moines, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A material reduction machine includes a prime mover driving a cutting mechanism. A drive system receives a signal to initiate rotation of a cutting mechanism. A sensor senses a machine load parameter and reports a signal to a controller operatively coupled to the clutch to control sequential engagement cycles from the engine to the cutting mechanism. The controller utilizes a s...