ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,447, issued on Sept. 8, was assigned to ION ENGINEERING FLUID POWER SYSTEMS LLC (Barberton, Ohio).

"Proportional relief system for a power take-off" was invented by Robert James Sikorski (New Franklin, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A proportional relief manifold system for a power take-off device includes a proportional relief solenoid valve. A pressure transducer is mechanically coupled to the proportional relief solenoid valve and is configured to measure an actual fluid pressure. Controller circuitry is in electrical communication with the pressure transducer and the proportional relief solenoid valve. The controller circuit...