Patents by Inventor Christopher Charles Norris Callow

Christopher Charles Norris Callow 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).

  • Patent number: 7143678
    Abstract: A wire-cutting apparatus 10 used in the manufacture of bricks. The apparatus includes a pair of spaced generally parallel coextensive beams 13 and 14 between which cutting wires 15 pass. Associated with each wire 15 are groove-forming blades 27 and 28.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: December 5, 2006
    Assignee: Boral Bricks (NSW) Pty. Ltd.
    Inventor: Christopher Charles Norris Callow
  • Publication number: 20020056356
    Abstract: A wire-cutting apparatus 10 used in the manufacture of bricks. The apparatus includes a pair of spaced generally parallel coextensive beams 13 and 14 between which cutting wires 15 pass. Associated with each wire 15 are groove-forming blades 27 and 28.
    Type: Application
    Filed: May 30, 2001
    Publication date: May 16, 2002
    Inventor: Christopher Charles Norris Callow