ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,758, issued on July 15, was assigned to INVENTIO AG (Hergiswil, Switzerland).
"Durable pneumatic elevator system and methods" was invented by Philippe Henneau (Zurich).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to elevator technology. In particular, the present disclosure relates to an elevator system using a novel powering scheme. The present disclosure also relates to an elevator system using a pressurised gas to power at least a part of the elevator system. Accordingly, there is provided an elevator system, comprising an elevator car and an elevator drive adapted to move the elevator car in an elevator shaft, whe...