Patents by Inventor Anton Rudolf

Anton Rudolf 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).

  • Apparatus for making ready-mixed concrete
    Patent number: 4093085
    Abstract: This invention relates to apparatus for making ready-mixed concrete, comprising a plurality of transfer containers divided into separate chambers and adapted to be moved along a closed path to at least one filling station and a plurality of emptying or waiting stations, respectively, for temporarily containing cement, filling materials and possibly, water separately from one another and for transferring these materials to concrete mixer trucks, particularly to mixer trucks provided with positive mixing tools.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: June 6, 1978
    Assignee: Ingrid Hudelmaier
    Inventors: Gerhard Hudelmaier, Anton Rudolf