Patents by Inventor Oliver Matthaei

Oliver Matthaei 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: 7874110
    Abstract: The invention concerns a reinforced concrete or prestressed concrete part stressed by shearing forces with layers of reinforcement (22, 24) provided at its upper and lower sides. For shear protection at least one sheet metal reinforcing part (30, 32, 34, 36) is provided between these layers of reinforcement which mainly extends at right angles to a surface of the reinforced concrete part and mainly over the entire distance between the layers of reinforcement (22, 24) and crosswise to at least one crack (50) occurring in the reinforced or prestressed concrete part under transverse load.
    Type: Grant
    Filed: January 20, 2001
    Date of Patent: January 25, 2011
    Inventors: Oliver Matthaei, Hans-Peter Andrä
  • Publication number: 20030154674
    Abstract: The invention concerns a reinforced concrete or prestressed concrete part stressed by shearing forces with layers of reinforcement (22, 24) provided at its upper and lower sides. For shear protection at least one plane reinforcing part (30, 32, 34, 36) is provided between these layers of reinforcement which mainly extends at right angles to a surface of the reinforced concrete part and mainly over the entire distance between the layers of reinforcement (22, 24) and crosswise to at least one crack (50) occurring in the reinforced or prestressed concrete part under transverse load.
    Type: Application
    Filed: October 16, 2002
    Publication date: August 21, 2003
    Inventors: Oliver Matthaei, Hans-Peter Andra