US Patent Issued to Caterpillar on Aug. 25 for "Hydraulic cylinder cushion stem with over molded sleeve" (American, Indian Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,431, issued on Aug. 25, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Hydraulic cylinder cushion stem with over molded sleeve" was invented by Ananda Sudhakar Ponnusamy (Naperville, Ill.) and Rameshkrishnan Lakshmi Narayanan (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic cylinder may have a tube extending from a tube first end to a tube second end, and a piston in the tube. The hydraulic cylinder may also have a piston rod attached to the piston and a cushion stem extending from the piston. The hydraulic cylinder may have a head end cavity disposed adjacent to the tube first end. The hydraulic cylinder may have a cush...