ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,387, issued on April 14, was assigned to University of Washington (Seattle).

"Plasma confinement system and methods for use" was invented by Uri Shumlak (Seattle), Brian A. Nelson (Seattle) and Raymond Golingo (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example method includes directing gas, via one or more first valves, from within an inner electrode to an acceleration region between the inner electrode and an outer electrode that substantially surrounds the inner electrode, directing gas, via two or more second valves, from outside the outer electrode to the acceleration region, and applying, via a power supply, a voltage between t...