Patents by Inventor Hans Heinrich Otto Oskar Hermann Uhlemann

Hans Heinrich Otto Oskar Hermann Uhlemann 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 evaporating liquids
    Patent number: 3977364
    Abstract: Apparatus for evaporating liquids, including means to form the liquid into a thin film on a heatable wall, the means comprising a porous layer having a first portion which covers the wall concerned and at the top of the wall passes via a bend into a second portion which is spaced from the first portion and is surrounded by a liquid-receptacle.
    Type: Grant
    Filed: February 27, 1974
    Date of Patent: August 31, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Josephus Cornelis Wilhelmus Franciscus Gijsbers, Hans Heinrich Otto Oskar Hermann Uhlemann