Patents by Inventor Carl Ralph Kangas

Carl Ralph Kangas 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).

  • Mechanical lifter
    Patent number: 9217407
    Abstract: The mechanical lifter generally includes an inner lift member, an outer lift member, and a roller. The inner lift member is at least partly made of a metallic material. The outer lift member is at least partly made of a polymeric material and surrounds the inner lift member. The roller is rotatably coupled with respect to the inner lift member and is partly disposed within the inner lift member. The inner lift member is configured to move a first component in response to a force applied to the roller by a second component.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: December 22, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: William D Bauman, Gerald R Stabel, Carl Ralph Kangas
  • MECHANICAL LIFTER
    Publication number: 20140251283
    Abstract: The mechanical lifter generally includes an inner lift member, an outer lift member, and a roller. The inner lift member is at least partly made of a metallic material. The outer lift member is at least partly made of a polymeric material and surrounds the inner lift member. The roller is rotatably coupled with respect to the inner lift member and is partly disposed within the inner lift member. The inner lift member is configured to move a first component in response to a force applied to the roller by a second component.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 11, 2014
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: William D. Bauman, Gerald R. Stabel, Carl Ralph Kangas