Patents by Inventor Etienne Peter Prins

Etienne Peter Prins 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: 8814155
    Abstract: A clamping device having a C shaped frame and anvils which cannot rotate while applying a clamping force is disclosed. One anvil is affixed to the C shaped frame while the second anvil is mounted to a drive tube which telescopes within a guide tube fixed to the frame. The conformal shapes of the guide and drive tubes prevent rotation as compressive force is applied to a work piece placed between the two anvils.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: August 26, 2014
    Inventor: Etienne Peter Prins
  • Publication number: 20130026692
    Abstract: A clamping device having a C shaped frame and anvils which cannot rotate while applying a clamping force is disclosed. One anvil is affixed to the C shaped frame while the second anvil is mounted to a drive tube which telescopes within a guide tube fixed to the frame. The conformal shapes of the guide and drive tubes prevent rotation as compressive force is applied to a work piece placed between the two anvils.
    Type: Application
    Filed: July 26, 2011
    Publication date: January 31, 2013
    Inventor: Etienne Peter Prins