Patents by Inventor Paul Maydl

Paul Maydl 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: 3957528
    Abstract: A process for the production of the aggregates for concrete by utilization of the residues from the combustion of predominantly organic material comprising the steps of burning said material, melting the non-combustible residues of said material, chilling the melting material by means of a cooling medium so that a vitreous granulated material is obtained, collecting said granulated material and crushing said granulated material.
    Type: Grant
    Filed: March 29, 1973
    Date of Patent: May 18, 1976
    Assignee: Etablissement Thermocrete Baupatente Verwertungsgesellschaft
    Inventors: Karl Ott, Paul Maydl