Patents by Inventor Jozef Bohnert

Jozef Bohnert 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).

  • Mining equipment, mainly for extraction of heavy beds
    Patent number: 4547098
    Abstract: A mine excavator especially for heavy coal beds comprises a base on which the power loader and conveyor are provided and on which the roof support or shield is pivotally mounted. According to the invention, a back member connected to the roof plate and spaced above the base has a downwardly and forwardly swingable door which deposits caved material onto the conveyor at a forward portion of the main base.
    Type: Grant
    Filed: December 29, 1982
    Date of Patent: October 15, 1985
    Assignees: Kozponti Banyaszati Fejlesztesi Intezet, Varpalotai Szenbenyak
    Inventors: Matyas Martinko, Andras Elekes, Kalman Simon, Jozef Bohnert, Janos Nemeth, Karoly Bole, Zoltan Ilyes