TREA

Sphere Investments Limited

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  • Nassau, BS
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for sorting objects of ore by monitoring refle...
    • Patent number 4,600,105
    • Issue date Jul 15, 1986
    • Sphere Investments Limited
    • Ian D. Van Zyl
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Electrostatic shield
    • Patent number 4,451,812
    • Issue date May 29, 1984
    • Sphere Investments Limited
    • Valentino F. Vescovi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sorting apparatus
    • Patent number 4,373,638
    • Issue date Feb 15, 1983
    • Sphere Investments Limited
    • Mark A. Schapper
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Feed apparatus and method
    • Patent number 4,365,717
    • Issue date Dec 28, 1982
    • Sphere Investments Limited
    • Alan M. Stone
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Detection and sorting systems
    • Patent number 4,320,841
    • Issue date Mar 23, 1982
    • Sphere Investments Limited
    • Hilton P. Gordon
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Bulk sorting of particulate material
    • Patent number 4,231,478
    • Issue date Nov 4, 1980
    • Sphere Investments Limited
    • Alan M. Stone
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Fluid flow manifold
    • Patent number 4,225,089
    • Issue date Sep 30, 1980
    • Sphere Investments Limited
    • Alan M. Stone
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valves
    • Patent number 4,210,311
    • Issue date Jul 1, 1980
    • Sphere Investments Limited
    • Alan M. Stone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Photometric sorters
    • Patent number 4,122,952
    • Issue date Oct 31, 1978
    • Sphere Investments Limited
    • Arthur W. Richards
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Tracking systems for sorting apparatus
    • Patent number 3,977,526
    • Issue date Aug 31, 1976
    • Sphere Investments Limited
    • Roderick J. Gordon
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

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