Patents by Inventor Janos KELLER

Janos KELLER 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: 9789527
    Abstract: A tube bending tool (1) comprising support surfaces (2, 2?, 2?), between said surfaces a tube (3), to be bent, is placed. A pressure exerting unit (6) with an extension (8) displaceable towards the tube (3), where a convex, bent bearing surface (10) is provided in order to press against the tube (3) when said extension (8) delivers a force from the pressure exerting unit (6). The front portion (9) comprises elongated elements (12, 12?). The outer ends of the elongated elements (12, 12?) comprise displaceable and movable support elements which press on the outer surface of the tube. The inner ends (13, 13?) of the elongated elements are cross-laid and movable, so that they during bending, press in a direction towards the center of the bending radius of the tube (3), at the same time as different radii of the bend (5) can be provided on different places. There is also an optional limiting means for bends over 90 degrees.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: October 17, 2017
    Inventor: Janos Keller
  • Publication number: 20170066026
    Abstract: A tube bending tool (1) comprising support surfaces (2, 2?, 2?), between said surfaces a tube (3), to be bent, is placed. A pressure exerting unit (6) with an extension (8) displaceable towards the tube (3), where a convex, bent bearing surface (10) is provided in order to press against the tube (3) when said extension (8) delivers a force from the pressure exerting unit (6). The front portion (9) comprises elongated elements (12, 12?). The outer ends of the elongated elements (12, 12?) comprise displaceable and movable support elements which press on the outer surface of the tube. The inner ends (13, 13?) of the elongated elements are cross-laid and movable, so that they during bending, press in a direction towards the center of the bending radius of the tube (3), at the same time as different radii of the bend (5) can be provided on different places. There is also an optional limiting means for bends over 90 degrees.
    Type: Application
    Filed: February 12, 2015
    Publication date: March 9, 2017
    Inventor: Janos KELLER