Patents by Inventor Lothar Weimann

Lothar Weimann 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).

  • Thin-film evaporator made of a corrosion resistant material
    Patent number: 5419810
    Abstract: The invention relates to a thin-film evaporator equipped with a heatable tubular evaporator body in whose product charged interior a driven rotor is disposed which is equipped with essentially radially oriented vanes. The invention is formed from an evaporator body of at least one thick-wall graphite tube with a plurality of essentially axially extending bores disposed in the tube walls, each one of the bores open at the tube ends into an annular channel which is in communication with a connecting pipe stub for a heating medium.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: May 30, 1995
    Assignee: Buss AG
    Inventors: Rolf Van Der Piepen, Lothar Weimann