ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,186, issued on May 19.
"Connecting rod assembly usable for rod pump" was invented by Bosen Zhang (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a connecting rod assembly usable for a rod pump, comprising a connecting rod, wherein at least one end of the connecting rod is fixedly provided with a male conductive connector or a female conductive connector. The connecting rod comprises an inner tube and an outer tube, the outer tube is sleeved outside the inner tube, and a gap exists between the inner tube and the outer tube. Both the male conductive connector and the female conductive connector are elec...