ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,909, issued on Dec. 2, was assigned to CKD Corp. (Komaki, Japan).
"Fluid control valve and method for manufacturing the same" was invented by Hiroyuki Murase (Komaki, Japan), Atsushi Tsuneduka (Komaki, Japan) and Mayuko Okada (Komaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid control valve includes a diaphragm assembly including a shaft member joined to an end of a drive shaft on the side near an annular valve seat, a membrane member made of Perfluoro alkoxy Alkane and located in surface contact with the end face of the shaft member on the opposite side to the end joined to the drive shaft, and a weld part formed by laser welding a...