Patents by Inventor Angelo Weigelt

Angelo Weigelt 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).

  • Pick box for housing a mineral cutter pick
    Patent number: 6536847
    Abstract: A “wet” pick box 1 comprises a body member 2, adapted in use to be welded to a rotary cutting head, whilst an aperture 5 is provided in the body member. Bores 15, 16 in the body member define an internal water course 6 connectable, at an inlet end 7, to a source of pressurised water, an aperture 8 in the body member is adapted to house a water discharge nozzle and is connected to an outlet end 9 of the watercourse 6. A tapped hole 10 intersects the bores 15 and 16 and a member 11A or 11B is insertable into, and removable from, the hole 10. A rotary mineral cutting head can be provided to which a plurality of such pick boxes are welded.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: March 25, 2003
    Assignee: Hydra Mining Tools International LTD
    Inventors: William Stephen Clapham, John Joseph Warren, Gunter Dlugosch, Angelo Weigelt