US Patent Issued to YAMAHA HATSUDOKI on July 22 for "Marine vessel and exhaust manifold for marine vessel" (Japanese Inventor)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,189, issued on July 22, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).

"Marine vessel and exhaust manifold for marine vessel" was invented by Satoshi Matsuura (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A marine vessel includes a hull, an engine, and an exhaust manifold including four upstream exhaust channels connected to four exhaust ports, respectively, one downstream central exhaust channel defined by two central upstream exhaust channels of the four upstream exhaust channels, two downstream side exhaust channels located downstream of the four upstream exhaust channels in an exhaust flow direction and spaced from an...