US Patent Issued to SANY AUTOMOBILE MANUFACTURING on April 14 for "Water resistance apparatus, pumping system, pumping machine, and cleaning method" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,335, issued on April 14, was assigned to SANY AUTOMOBILE MANUFACTURING Co. LTD. (Changsha, China).

"Water resistance apparatus, pumping system, pumping machine, and cleaning method" was invented by Zhixue Lu (Changsha, China), Zhou Xu (Changsha, China) and Yonggang Wang (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water resistance apparatus used for an oil cylinder, the oil cylinder including a press cover (10) and a piston rod (20) passing within press cover (10), and the water resistance apparatus including: a fluid inlet (14), which is arranged on the press cover (10); a fluid outlet (16), which is arranged on the press cove...