ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,320, issued on July 8, was assigned to GKN Aerospace Services Ltd. (Redditch, Great Britain).
"Electrothermal heater" was invented by Peter English (Redditch, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrothermal heater for an ice protection system includes a laminated heater mat which comprises a primary heater element layer, a secondary heater element layer, and at least one dielectric layer interposed between the primary and secondary heater element layers, and control apparatus which comprises power supply apparatus and a current detector. The control apparatus is configured to have (i) a first mode in which the power sup...