David James Bell Ritchie

Person

  • Carrum Downs, AU

Patents Grantslast 30 patents

  • Information Patent Grant

    Extrusion of high temperature formable non-ferrous metals

    • Patent number 9,468,960
    • Issue date Oct 18, 2016
    • Commonwealth Scientific and Industrial Research Organisation
    • Robert Simon Wilson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making a cementitious product

    • Patent number 8,815,133
    • Issue date Aug 26, 2014
    • HySSIL Pty Ltd.
    • Swee Liang Mak
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    EXTRUSION OF HIGH TEMPERATURE FORMABLE NON-FERROUS METALS

    • Publication number 20140000332
    • Publication date Jan 2, 2014
    • COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
    • Robert Simon Wilson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Cementitious products

    • Publication number 20060243169
    • Publication date Nov 2, 2006
    • Swee Liang Mak
    • B28 - WORKING CEMENT, CLAY, OR STONE