Patents by Inventor Esa Väisänen

Esa Väisänen 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).

  • Patent number: 7357207
    Abstract: A snowmobile includes a nose cone having an underbelly, first and second side walls and a top cover together defining a substantially conical enclosure for enclosing a forward end of the snowmobile. The top cover includes a pair of air inlets for admitting air into the engine compartment as well as air guides connected to the inlets for directing the air to desired regions of the engine compartment for improving engine performance. The top cover also includes grilles for filtering out snow and other debris. Furthermore, the air guides are designed to suppress engine noise.
    Type: Grant
    Filed: February 2, 2005
    Date of Patent: April 15, 2008
    Assignee: BRP Finland Oy
    Inventor: Esa Väisänen