Patents by Inventor Douglas S. Fornell

Douglas S. Fornell 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).

  • CHAIN PIN RETENTION
    Publication number: 20180363744
    Abstract: A chain belt for a continuously variable transmission which has a plurality of links and a plurality of coupling members which connect the plurality of links together. Each of the coupling members has a first end with a first bore and a second end with a second bore. A first retaining pin is fastened within the first bore of each of the coupling members and a second retaining pin is fastened within the second bore of each of the coupling members. The first and second retaining pins retain the plurality of links on the coupling member.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 20, 2018
    Inventors: Douglas S. FORNELL, Woo-Serk PARK, Timothy K. WHITE
  • CHAIN PIN RETENTION
    Publication number: 20170284505
    Abstract: A chain belt for a continuously variable transmission which has a plurality of links and a plurality of coupling members connecting the plurality of links together. Each of the coupling members has an outer perimeter, a first end with a first prepared surface, and a second end with a second prepared surface. The prepared surfaces extend a depth from the outer perimeter of the coupling member. A first retaining member is fastened to the first prepared surface of the coupling members and a second retaining member is fastened to the second prepared surface of the coupling members. The first and second retaining members retain the plurality of links on the coupling members.
    Type: Application
    Filed: June 16, 2017
    Publication date: October 5, 2017
    Inventors: Monica A. Crowe, Nicholas R. Dunn, Douglas S. Fornell, Woo-Serk Park, Timothy K. White, Seth G. G. Wraight
  • Continuous manufacture of push type CVT belt bands utilizing spiral winding & welding to form tube and slitting tube to form band of predetermined width
    Patent number: 6497633
    Abstract: A method for the manufacture of a band for use in a CVT transmission. The band is formed by spiral winding a thin strip into a continuous tube and then welding the thin strip along the spiral winding. The individual bands are cut off of the continuous tube as it is formed. The invention also includes the bands formed by the method.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: December 24, 2002
    Assignee: BorgWarner Inc.
    Inventors: Roger P. Butterfield, Mark S. Ingianni, Douglas S. Fornell