Patents by Inventor Norbert Randl

Norbert Randl 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: 9447572
    Abstract: A structure has a plate and a strengthening element made of high-strength concrete which increases the punching shear strength. The strengthening element is configured to have an annular shape and an opening. The strengthening element is made of multiple prefabricated segments which are arranged in an annular shape around the opening.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: September 20, 2016
    Assignee: HALFEN GmbH
    Inventors: Marcus Ricker, Dirk Albartus, Frank Haeusler, Norbert Randl
  • Publication number: 20160060859
    Abstract: A structure has a plate and a strengthening element made of high-strength concrete which increases the punching shear strength. The strengthening element is configured to have an annular shape and an opening. The strengthening element is made of multiple prefabricated segments which are arranged in an annular shape around the opening.
    Type: Application
    Filed: September 3, 2015
    Publication date: March 3, 2016
    Inventors: Marcus Ricker, Dirk Albartus, Frank Haeusler, Norbert Randl
  • Publication number: 20080080945
    Abstract: An anchor bar includes an anchoring section (16; 26), a threaded section (17; 27), and an intermediate section (18; 28) located between the anchoring section (16; 26) and the threaded section (17; 27) and having an anti-adhesive surface.
    Type: Application
    Filed: September 27, 2007
    Publication date: April 3, 2008
    Inventors: Peter Bee, Camiel de Smet, Jakob Kunz, Fritz Muenger, Norbert Randl