US Patent Issued to Killalathu Ramanathan Babu on March 18 for "Structure for a guide pillar system of a pneumatic vacuum elevator" (Indian Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,377, issued on March 18, was assigned to Killalathu Ramanathan Babu (India).

"Structure for a guide pillar system of a pneumatic vacuum elevator" was invented by Killakathu Ramanathan Babu (Tamilnadu, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A structure for a guide pillar system is disclosed. The structure includes a central hollow pillar section 20 which includes at least four sides including a first side 30, a second side 40, a third side 50, and a fourth side 60. The central hollow pillar section 20 also includes at least three grooved rib profiles 70 adapted to mechanically couple the central hollow pillar section 20 to elevator com...