Patents by Inventor Julian Kornecki

Julian Kornecki 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).

  • High pressure water assisted mining and tunnelling machine
    Patent number: 5114213
    Abstract: An accessory for a mining or tunnelling machine comprising a cutting drum is disclosed. The accessory comprises a radial piston pump mountable in the cutting drum, the pump comprising a plurality of piston and cylinder assemblies adapted to supply water under pressure to a nozzle or nozzles mounted in the periphery of the drum.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: May 19, 1992
    Assignee: Sasol Mining (Proprietary) Limited
    Inventors: Julian Kornecki, Charles J. Armstrong, deceased