Patents by Inventor Joachim Brandenburger

Joachim Brandenburger 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: 6679966
    Abstract: The invention relates to a liner for producing a lining tube for carrying out sewer pipe renovation work, comprising at least one layer consisting of at least one tubular, resin-impregnated fiber band and a tubular film located on said at least one fiber band. The aim of the invention is to improve a liner of this type. To the end, a plastic film used for producing the tubular film has a reinforcement in the form of a nonwoven layer on the side facing towards the resin-impregnated fiber bands.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: January 20, 2004
    Inventor: Joachim Brandenburger
  • Patent number: 5798013
    Abstract: The present invention refers to a method of producing a tubular lining ho in particular for use in sewer reconstruction work, comprising the steps of forming at least one fibrous strip into a curable, resin-impreganted hose. The inner side of the resultant lining hose is provided with a protective foil. It is the object of the present invention to provide a method of producing a tubular lining hose with the aid of which hoses of arbitrary length can be produced in a simple manner. This object is achieved by producing first a foil hose, which forms the protective foil, by helically winding a foil strip onto a winding mandrel, the fibrous strip being then wound onto said foil hose. In addition, the present invention refers to apparatuses for carrying out said method as well as to the lining hose itself.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: August 25, 1998
    Assignee: Brandenburger Patentverwertungsgesellschaft des burgerlichen Rechts
    Inventor: Joachim Brandenburger