US Patent Issued to RUTE FOUNDATION SYSTEMS on Feb. 17 for "Post-tensioned wind turbine foundation" (New Zealander, British, American Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,207, issued on Feb. 17, was assigned to RUTE FOUNDATION SYSTEMS INC. (Portland, Ore.).

"Post-tensioned wind turbine foundation" was invented by Matthew Bristow (St. Austell, Great Britain), Doug Krause (Portland, Ore.) and Evelyn Hunsberger (Havelock North, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "A post-tensioning system that is configured for use with concrete wind turbine foundation designs to post-tension the foundations and reduce the amount of reinforcement steel that is needed compared to conventional non-post-tensioned, steel reinforced concrete foundation designs. In the case of an inverted T gravity foundation, the post-t...