US Patent Issued to Otis Elevator on April 7 for "Elevator systems" (German Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,155, issued on April 7, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Elevator systems" was invented by Peter Herkel (Berlin) and Dirk H. Tegtmeier (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator system includes a hoistway (217) including a landing (225A-225C), which includes a landing door (227A-227C), an elevator car (203), comprising an elevator car door (229), arranged to move within the hoistway (217), a first safety switch (231; 233) configured to indicate a potential hazard in the elevator system (201) and a controller (215). The controller (215) is configured, when the first safety switch (231; 233) is triggered,...