Patents by Inventor Ben Balaji

Ben Balaji has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Marine outboard engine exhaust system
    Patent number: 7641527
    Abstract: A marine outboard engine has an upper motor cover, a lower cover, an engine, a driveshaft, a gear case, a rotor shaft, and a bladed rotor. First and second exhaust housings are disposed in the lower cover below the engine. The second exhaust housing at least partially surrounds the first exhaust housing. A first exhaust chamber is formed by the first exhaust housing. The first exhaust chamber fluidly communicates with the engine. A second exhaust chamber is formed between the second exhaust housing and the first exhaust housing. The second exhaust chamber fluidly communicates with the first exhaust chamber. A third exhaust chamber formed between the second exhaust housing and the first exhaust housing below the second exhaust chamber is also disclosed. The third exhaust chamber fluidly communicates with the second exhaust chamber and an exterior of the marine outboard engine.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: January 5, 2010
    Assignee: BRP US Inc.
    Inventors: Ben Balaji, Richard McChesney, Rudolf Wendler