US Patent Issued to Chevron U.S.A. on Jan. 28 for "Systems and methods for treating contaminated solid material" (California, Texas Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,297, issued on Jan. 28, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Systems and methods for treating contaminated solid material" was invented by Thomas P. Hoelen (Berkeley, Calif.), Cesar Ovalles (Walnut Creel, Calif.), Adam J. Dassey (Houston), Carl W. Lam (San Ramon, Calif.), Russell E. Cooper (Martinez, Calif.) and Janelle L. Lewis (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are systems and methods for treating contaminated material. The material is heated by nonconductive and nonconvective heating in a vacuum chamber such that the surface of the material is heated without significant heating of the air ...