Patents by Inventor Albert Friebel

Albert Friebel 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 screeding and leveling
    Patent number: 4470783
    Abstract: An apparatus for screeding and leveling coverings and coatings compounded with a binding agent, more specially a synthetic resin binding agent, is made up of a front straight edge for leveling and a back straight edge for screeding, the two straight edges being joined together as a parallelogram having a driving system for moving them backwards and forwards lengthways. As part of the apparatus there is a track-laying vehicle and a system for vertical adjustment of the straight edges.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: September 11, 1984
    Inventors: Albert Friebel, Ferdinand Schneider