US Patent Issued to OJJO on Nov. 18 for "Truss foundations for frost-heave and other reactive soil environments" (California Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,577, issued on Nov. 18, was assigned to OJJO INC. (San Rafael, Calif.).

"Truss foundations for frost-heave and other reactive soil environments" was invented by Charles Almy (Berkeley, Calif.), Greg McPheeters (Santa Cruz, Calif.) and Emma Tam (Petaluma, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A truss foundation for single-axis trackers that are installed in climates that experience frost heave or reactive soils. Truss legs are oriented to be substantially plumb, to eliminate adfreeze moment on below-ground components in the frost zone. Elbow couplers are attached to the upper end of each embedded component and used to change the leg a...