Patents by Inventor Andras Pinter

Andras Pinter 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).

  • Process for the recovery of shale oil, heavy oil, kerogen or tar from their natural sources
    Patent number: 4419214
    Abstract: A method of recovering hydrocarbon substances such as oil and tar from naturally occurring mineral matter such as oil shale and young coal ranks, which comprises subjecting the natural mineral product to microwave irradiation in a pressure vessel through which an expelling medium is passed. The expelling medium can be gaseous or liquefied carbon dioxide containing natural or mixed gases, hydrocarbon-containing gas, vapor or liquid and gaseous or vapor-halogenated hydrocarbons.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: December 6, 1983
    Assignees: Orszagos Koolaj es Gazipari Troszt, Budapesti Muszaki Egyetem
    Inventors: Valer Balint, Andras Pinter, Gyorgy Mika