Patents by Inventor Johann J. Rieve

Johann J. Rieve 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).

  • Prestressing and prestressed road pavements
    Patent number: 4245923
    Abstract: This invention provides for an apparatus and method for prestressing concrete. The apparatus includes a tendon with a tensionable peripheral member and core members that can be releasably latched against the peripheral member in tension or compression. Methods are provided for constructing prestressed concrete slabs for joining the slabs to form a prestressed concrete pavement.
    Type: Grant
    Filed: September 13, 1978
    Date of Patent: January 20, 1981
    Inventor: Johann J. Rieve