ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,506, issued on May 12, was assigned to E.D. Etnyre & Co. (Oregon, Ill.).
"Asphalt distributor with multispeed motor" was invented by Tyler Braun (Rockford, Ill.) and Nick Frohmader (Rockford, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An asphalt distributor has a multispeed hydraulic motor mechanically driving an asphalt pump. The asphalt distributor has a controller for controlling the flow rate of asphalt being sprayed. The controller has a gain for controlling the flow rate. During a transition when the speed of the multispeed hydraulic motor changes, the gain has a value for the transition. Beneficially, the asphalt distributor has a wid...