Patents by Inventor Frank J. Petschauer

Frank J. Petschauer 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).

  • Patent number: 6089550
    Abstract: A dual flow mass transfer process is provided which employs a dual flow mass transfer tray having perforations, at least some of which are provided with vapor flow deflectors to deflect the flow of vapor rising through the perforations to give the vapor flow an increased horizontal component.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: July 18, 2000
    Assignee: Norton Chemical Process Products Corporation
    Inventors: Frank J. Petschauer, Richard P. Hauser, Frank Rukovena