Patents by Inventor Mark Alan Ackerman

Mark Alan Ackerman 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).

  • Counter-rotational drive belt system and method
    Patent number: 6866603
    Abstract: A belt drive system for use in a positive drive application includes a transmission belt having a row of drive teeth spaced apart along a first side and a non-toothed opposite second side. The system includes a driver pulley, a counter-rotating driven pulley or pulleys, and the transmission belt. The counter-rotation is achieved by the incorporation of a 180 degree twist in a belt span between the driver pulley and the driven pulley and a recovery twist in a second belt span from the driven pulley back to the driver pulley.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: March 15, 2005
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Mark Alan Ackerman, Travis Ray Toline
  • Counter-rotational drive belt system and method
    Publication number: 20040116225
    Abstract: A belt drive system for use in a positive drive application includes a transmission belt having a row of drive teeth spaced apart along a first side and a non-toothed opposite second side. The system includes a driver pulley, a counter-rotating driven pulley or pulleys, and the transmission belt. The counter-rotation is achieved by the incorporation of a 180 degree twist in a belt span between the driver pulley and the driven pulley and a recovery twist in a second belt span from the driven pulley back to the driver pulley.
    Type: Application
    Filed: December 17, 2002
    Publication date: June 17, 2004
    Inventors: Mark Alan Ackerman, Travis Ray Toline