ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,317, issued on April 15, was assigned to SHENZHEN THOUSANDSHORES TECHNOLOGY Co. LTD. (Shenzhen, China).
"Hydraulic damping device with adjustable resistance and a riding platform" was invented by Ding He (Shenzhen, China), Zhi Liu (Shenzhen, China) and Xin Li (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a hydraulic damping device level riding platform with adjustable resistance, which comprises a frame body, a shaft mechanism, a flywheel and a hydraulic damping mechanism, the shaft mechanism is arranged on the frame body, one end of the shaft mechanism is connected with the hydraulic damping mechanism and another end o...