ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,799, issued on May 13, was assigned to Shizheng Huang (Urumqi, China).

"Basic mechanism for converting fluid energy into mechanical energy" was invented by Shizheng Huang (Urumqi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A basic mechanism for converting fluid energy into mechanical energy is provided. A blade index plate, fluted disc hold-down devices, a rolling pressing wheel, bevel gears, a fluted disc, a gear, bearings and a stepping self-locking motor are disposed in a hub. First shaft passing holes annularly and uniformly distributed around the hub are formed in a penetrating manner in an annular steel belt. One end of a blade shaft...