ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,642, issued on June 17, was assigned to Parker-Hannifin Corp. (Cleveland).

"Fault tolerant interface for safety controls" was invented by Ted W. Sunderland (Washington, Mo.), Nicolas G. Sparacello (Washington, Mo.) and Zachary R. Wright (Wildwood, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fault tolerant interface includes a sensor and a safety control that are electrically connected to each other by a single wire. The sensor is configured to provide various signals to the safety control dependent on environmental parameters. Based on the ignal received by the safety control, the fault tolerant interface may act accordingly and place the o...