Patents by Inventor Steven E. Sikkila

Steven E. Sikkila 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).

  • Test specimen holder
    Patent number: 7739919
    Abstract: A test specimen holder includes at least one pair of wedges, a plurality of pistons and a tie bar connected to each of the pistons. A single cylinder body is operable with each of the pistons and the wedges. The cylinder body is adapted to urge the wedges together with relative movement of the cylinder body with respect to the pistons.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: June 22, 2010
    Assignee: MTS Systems Corporation
    Inventors: Steven Ray Lemmer, Steven E. Sikkila
  • Support frame for a mechanical wedge grip
    Patent number: D413506
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: September 7, 1999
    Assignee: MTS Systems Corporation
    Inventors: Steven E. Sikkila, Daniel S. Ewert, David L. Manlove
  • Support frame for mechanical wedge grip
    Patent number: D429625
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: August 22, 2000
    Assignee: MTS Systems Corporation
    Inventors: Steven E. Sikkila, Daniel S. Ewert, David L. Manlove