comprising a screw mechanism

Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery of metal from dross and apparatus therefore

    • Patent number 6,159,269
    • Issue date Dec 12, 2000
    • Pyrogenesis Inc.
    • Michel G. Drouet
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3328017

    • Patent number 3,328,017
    • Issue date Jun 27, 1967
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents