Patents by Inventor Helmuth Schneider

Helmuth Schneider 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).

  • Method for the manufacture of a roller shutter slat
    Patent number: 5210924
    Abstract: The invention refers to a dimensionally stable roller shutter slat consisting of an aluminium strip plastic-coated on one side at least in part, and roll-formed into a hollow section 18 with the coated side inwards, the hollow section featuring upper and lower connecting areas with double-layer aluminum strip and an inside wall 14 as well as an outside wall 13, said hollow section featuring for the increase of the longitudinal stiffness and durability of the roller shutter slat at least one contact point 15, at which at least two aluminum strip layers are bonded connected with one another.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: May 18, 1993
    Assignee: Vereinigte Aluminium Werke AG
    Inventor: Helmuth Schneider
  • Roller shutter rod of stable shape and method for its manufacture
    Patent number: 5204147
    Abstract: The invention refers to a roller shutter rod of stable shape, consisting of an aluminum strip plastic-coated on one side at least in part, and roll-formed into a hollow section 18 with the coated side inwards, the hollow section featuring upper and lower connecting areas with double-layer aluminum strip and an inside wall 14 as well as an outside wall 13, said hollow section featuring for the increase of the longitudinal stiffness and durability of the roller shutter rod at least one contact point 15, at which at least two aluminum strip layers are bonded with one another.
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: April 20, 1993
    Assignee: Vereinigte Aluminiumwerke AG
    Inventor: Helmuth Schneider