TREA

David J. O'Callaghan

Follow

Person

  • Bonney Lake, WA, US
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERNALLY CURING CEMENT BASED MATERIALS
    • Publication number 20130213276
    • Publication date Aug 22, 2013
    • WEYERHAEUSER NR COMPANY
    • John A. Westland
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Internally curing cement based materials
    • Publication number 20130000523
    • Publication date Jan 3, 2013
    • WEYERHAEUSER NR COMPANY
    • S. Ananda Weerawarna
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    INTERNALLY CURING CEMENT BASED MATERIALS
    • Publication number 20110073015
    • Publication date Mar 31, 2011
    • WEYERHAEUSER NR COMPANY
    • John A. Westland
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    FIBER CEMENT BOARD WITH MODIFIED FIBER
    • Publication number 20100300330
    • Publication date Dec 2, 2010
    • WEYERHAEUSER NR COMPANY
    • ROBERT T. HAMILTON
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    FIBER CEMENT BOARD WITH MODIFIED FIBER
    • Publication number 20100300329
    • Publication date Dec 2, 2010
    • WEYERHAEUSER NR COMPANY
    • ROBERT T. HAMILTON
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    METHOD OF MAKING A FIBER CEMENT BOARD WITH IMPROVED PROPERTIES AND...
    • Publication number 20100162926
    • Publication date Jul 1, 2010
    • WEYERHAEUSER COMPANY
    • Sherry L. Thomson
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES