ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,314, issued on Feb. 10, was assigned to SANDEN Corp. (Gunma, Japan).
"Scroll compressor" was invented by Atsuo Teshima (Gunma, Japan), Taizo Sato (Gunma, Japan), Eiichi Oshio (Gunma, Japan), Hitoshi Akuzawa (Gunma, Japan), Kyoshiro Nishiyama (Gunma, Japan) and Takuya Tsukui (Gunma, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A first coating layer formed by tin plating is formed on a compression chamber-side end face of a baseplate of one scroll and a surface of a spiral wall, a second coating layer formed by nickel-phosphorus plating is formed on a compression chamber-side end face of a baseplate of another scroll and a surface of a spiral ...