Patents by Inventor Ruediger LUIG

Ruediger LUIG 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).

  • HYBRID PIPE HAVING PIPE COLLAR AND WEAR RING, AND METHOD FOR PRODUCING SAME
    Publication number: 20210164602
    Abstract: A delivery pipe for transport of solids, having a double-walled pipe body having an inner pipe and a metallic outer pipe and at least one pipe collar arranged on an end. The delivery pipe is distinguished in that the inner pipe is made of a solid plastic material and a wear ring is inserted in the pipe collar, the inner diameter of which ring is less than or equal to the inner diameter of the inner pipe.
    Type: Application
    Filed: August 21, 2019
    Publication date: June 3, 2021
    Inventors: Ruediger LUIG, Peter SPANKE
  • METHOD FOR THE PRODUCTION OF A CONVEYING PIPE FOR THE TRANSPORT OF SOLIDS, AND CONVEYING PIPE FOR THE TRANSPORT OF SOLIDS
    Publication number: 20170016561
    Abstract: A method for the production of a conveying pipe 18, and to a conveying pipe 18, having a circumferential annular bead 13 in the region of an end segment, for thermally decoupling a double-walled pipe body 1 during the creation of the thermal joining seam 17.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 19, 2017
    Applicant: Esser-Werke GmbH & Co. KG
    Inventor: Ruediger LUIG