Patents by Inventor Nils Wehmeier

Nils Wehmeier 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).

  • Multi-layer plastic tube
    Patent number: 6279614
    Abstract: A multi-layer plastic tube comprises a base tube and a barrier layer surrounding the base tube, the barrier layer being impermeable to oxygen, and a protective layer applied on the barrier layer for protecting the barrier layer from damage, wherein the material of the barrier layer and protective layers may include a lubricant.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: August 28, 2001
    Assignee: Hewing GmbH
    Inventors: Franz-Josef Riesselmann, Harald Eichner, Josef Bruenen, Paul Wolters, Nils Wehmeier