US Patent Issued to The Government of the United States of America, as represented by the Secretary of the Navy on Dec. 16 for "Steady-field coilgun methods and devices" (California Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,195, issued on Dec. 16, was assigned to The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Steady-field coilgun methods and devices" was invented by Emil Paskalev Kartalov (Pacific Grove, Calif.) and Jeffrey Kyle Catterlin (Salinas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Steady-field coilgun methods and devices based on a steady-field coil(s). The fundamental operational basis is to leave the current running in the solenoid/coil during the operation of the gun or other projectile launcher, where the field must be built up only once-initially, when turning the gun or launcher ...