US Patent Issued to Otis Elevator on Sept. 15 for "Fire-resistant synthetic tension members" (Delaware Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,299, issued on Sept. 15, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Fire-resistant synthetic tension members" was invented by Chen Qian Zhao (Newark, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A load-bearing assembly according to an example of the present disclosure includes at least one tension member. The tension member has a resin, reinforcement fibers, and at least one additive that provides a fire-resistance to the tension member. A jacket material covers the at least one tension member. An alternate load-bearing assembly and a method of making a load-bearing assembly are also disclosed."

The patent was filed on Sept. 8,...