Patents by Inventor Albert Varga

Albert Varga 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: 4324509
    Abstract: A mechanized longwall system for mines is provided which includes face roof supporting units disposed along the longwall and connected to a face support track by hydraulic advancing cylinders, each unit including a floor and roof element, a drift transport track mounted perpendicularly to one end of the face transport track, including two drift supporting units coupled with hydraulic linkages to the face supporting units, a guide system arranged on one of the floor elements of the drift supporting units and guiding a transfer unit in the longitudinal direction of the drift transport track, the arrangement being such that shifting of a drift supporting unit is accompanied by a simultaneous shifting of the face conveyor apparatus.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: April 13, 1982
    Assignees: Kozponti Banyaszati Fejlesztesi Intezet, Oroszlanyi Szenbanyak
    Inventors: Gyorgy Ignatko, Zoltan Ilyes, Ferenc Nemeth, Matyas Racz, Albert Varga, Jeno Varro