ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,589, issued on Sept. 1, was assigned to Eddy Pump Corp..

"High viscosity pump and rotor for pumping liquids, materials and slurries" was invented by Daniel Wahlgren (Escondido, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved high viscosity pump system and its rotor are disclosed herein. In an embodiment, a high viscosity pump system includes a motor, a housing having an inlet and an adjacent rotor space, and a rotor. The rotor is located within the rotor space of the housing and is configured to be driven by the motor around a rotational axis. The rotor includes a first plate and a second plate that rotate together around the rotat...