ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,063, issued on Feb. 17, was assigned to Mainspring Energy Inc. (Menlo Park, Calif.).

"Integrated linear generator system" was invented by Matt Svrcek (Redwood City, Calif.), David DeGraaff (Mountain View, Calif.), Kevin Walters (Redwood City, Calif.), Cameron Wylie (Oakland, Calif.), John Powers (Menlo Park, Calif.), John Lawler (Portland, Ore.), Sam Sherman (San Francisco), Jodie Prudhomme (San Francisco) and Scott Coakley (Naples, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated linear generator system includes, for example, a generator assembly, a control system, a frame system, an exhaust system, an intake system, a cooling sys...