Patents by Inventor Michael R Trihey

Michael R Trihey 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: 7913782
    Abstract: A vehicle and a pull behind unit are disclosed. The pull behind unit may be attached to a hitch of the vehicle. The pull behind unit may include powered ground engaging members which may be powered by an engine of the vehicle or an engine of the pull behind unit.
    Type: Grant
    Filed: August 12, 2008
    Date of Patent: March 29, 2011
    Assignee: Polaris Industries Inc.
    Inventors: David A Foss, Michael R. Trihey
  • Patent number: 7913978
    Abstract: A portable powered winch is provided suitable for coupling to a vehicle. The winch is comprised of a frame which mounts the winch and a housing. The housing houses a battery and mounts a control panel thereto. The frame has a mount for receiving a mounting tube of a vehicle, and is disconnectable when not desired for mounting and for use portably. A dolly may be included for transporting the winch.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: March 29, 2011
    Assignee: Polaris Industries Inc.
    Inventors: Michael R Trihey, David A Foss
  • Patent number: 7621251
    Abstract: A vehicle is disclosed that includes a chassis, a traction device adapted to contact the ground and propel the chassis and an engine supported by chassis and providing power to traction device. The engine includes a housing, a lubricant, and an engine component external of the engine housing. The housing includes a first lubricant inlet passage, a first lubricant outlet passage, a second lubricant inlet passage, and a second lubricant outlet passage. The vehicle has a first configuration in which first the lubricant outlet passage provides lubricant to the external engine component, the first lubricant inlet passage receives the lubricant from engine component, the second lubricant outlet passage is blocked with a plug, and the second lubricant inlet passage is blocked with a plug.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: November 24, 2009
    Assignee: Polaris Industries Inc.
    Inventors: Timothy J. Courant, Michael R. Trihey
  • Patent number: 6149540
    Abstract: A continuously variable transmission (CVT) system for use on snowmobiles, ATV's and similar vehicles. The CVT includes a rotatable drive clutch connected to an input shaft (the input shaft being connectable to an engine), and a roller clutch carried on the input shaft. The CVT also includes a rotatable driven clutch connected to an output shaft, the driven clutch having a laterally stationary sheave and a laterally movable sheave that is normally biased toward the stationary sheave. An endless flexible drive belt is disposed about the drive and driven clutches. The clutches and drive belt are configured so that when the engine is idling the belt firmly engages a drive surface of the roller clutch that is connected to the drive clutch.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: November 21, 2000
    Assignee: Polaris Industries Inc.
    Inventors: Mitchell D. Johnson, Gregory G. Lislegard, Michael R. Trihey, Steven D. Corneliusen, Joel H. Anderson, Steven L. Johnson, Barry Walton, David C. Ochab, Brent Barron
  • Patent number: D556420
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: November 27, 2007
    Assignee: Polaris Industries Inc.
    Inventors: Michael R Trihey, David A Foss