US Patent Issued to TPR, TPR INDUSTRY on April 21 for "Cylinder liner and reciprocating engine comprising cylinder liner" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,155, issued on April 21, was assigned to TPR Co. LTD. (Tokyo) and TPR INDUSTRY Co. LTD. (Sagae, Japan).

"Cylinder liner and reciprocating engine comprising cylinder liner" was invented by Takashi Sato (Sagae, Japan), Yasutomo Tokairin (Sagae, Japan), Koji Kamata (Sagae, Japan) and Kiyoyuki Kawai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In order to enable improvement with respect to recycling performance, achieve further reduction in weight, and improve environmental performance, a cylinder liner (30) according to the present disclosure has a structure in which, out of an inner face (21i) of a cylinder (21) in a reciprocating engine, th...