Patents by Inventor Rafael Kramer

Rafael Kramer 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: 6412420
    Abstract: Disclosed herein is cable by-pass device comprising a guide wheel rotatably mounted to an axle, at least one toothed wheel having a plurality of teeth extending radially therefrom rotatably mounted independently of the guide wheel, a bracket to the rear of the guide wheel, and an attachment portion below the guide wheel.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: July 2, 2002
    Assignee: Sellstrom Manufacturing Co.
    Inventors: Rafael Kramer, Anne Jahnke
  • Patent number: 6401244
    Abstract: A welding helmet comprising: a face portion defined by a wall about the perimeter of the face portion, extending toward the interior of the welding helmet; a flange extending from the interior end of the wall; a sloped outer portion about the exterior perimeter of the face portion; and at least one opening in the flange adjacent a first portion of the wall, the at least one opening having a protrusion therein protruding parallel to the flange. The welding helmet may also comprise a plurality of channels in a second portion of the wall. The welding helmet may also include a face plate for covering the face portion of the welding helmet comprising a bezel and an interior groove about the perimeter of the bezel.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: June 11, 2002
    Assignee: Sellstrom Manufacturing Co.
    Inventors: Rafael Kramer, James David Termeer
  • Patent number: D444919
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: July 10, 2001
    Assignee: Sellstrom Manufacturing Co.
    Inventors: Rafael Kramer, James David Termeer