Patents by Inventor Uwe Bernhardt Pascal Stein

Uwe Bernhardt Pascal Stein 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).

  • External combustion engine
    Patent number: 6606849
    Abstract: An external combustion engine (1) comprising pressure vessel means defining a tubular working chamber (3) having spaced apart first and second ends and including first wall means (11), adjacent the first end of the chamber, heated by heating means (10, 11) and second wall means (6), adjacent the second end of the chamber, cooled by cooling means. The engine further has a porous piston or regenerator (7) provided with heat exchanging means (9) and movable within the tubular working chamber (3) between the first and second ends of the chamber so that the working fluid passes through the heat exchanging means. The regenerator (7) has valving means.
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: August 19, 2003
    Assignee: New Malone Company Limited
    Inventors: Stephen Hugh Salter, William Hugh Salvin Rampen, Uwe Bernhardt Pascal Stein