Patents by Inventor Hans Pfingstl

Hans Pfingstl 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).

  • System of converting environmentally pollutant waste gases to a useful product
    Patent number: 5571483
    Abstract: A continuous flow method and system is provided for converting environmentally pollutant by-product waste gases emitted during the manufacture of a product in a first manufacturing plant to a useful product in a second manufacturing plant such that release of the gases into the atmosphere may be prevented.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: November 5, 1996
    Assignees: Exolon-ESK Company, Electroschmelzwerk Kempten GmbH
    Inventors: Hans Pfingstl, Walter Martyniuk, Armand Ladage, Tom McNally, Robert Myers, Ludwig Eberle
  • Method of converting environmentally pollutant waste gases to methanol
    Patent number: 5232951
    Abstract: A continuous flow method and system is provided for converting environmentally pollutant by-product waste gases emitted during the manufacture of silicon carbide in a first manufacturing plant to methanol in a second manufacturing plant such that release of the gases into the atmosphere may be prevented.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: August 3, 1993
    Assignees: Exolon-ESK Company, Elektroschmelzwerk Kempten GmbH
    Inventors: Hans Pfingstl, Walter Martyniuk, Armand Ladage, Tom McNally, Robert Myers, Ludwig Eberle