Patents by Inventor John H.A. Pettigrew

John H.A. Pettigrew 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).

  • Connecting mechanism
    Patent number: 9016730
    Abstract: A method for connecting at least a first component (1) and a second component (2) together, wherein each said component (1, 2) comprises at least one keyway arrangement extending along the component (1, 2) and keyways (11, 13) of the keyway arrangement are spaced apart from one another. The method comprises the steps of: aligning the keyway arrangements of the first and second components (1, 2) such that the keyways (11, 13) intermesh to provide a continuous keyway passage extending longitudinally between the intermeshed keyways (11, 13); and, extending a keyway connector (3) comprising an arrangement of keys longitudinally within the continuous keyway passage such that the keys are retained by the keyways (11, 13) of the keyway arrangements.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: April 28, 2015
    Assignee: Joinlock Pty Ltd
    Inventors: Dean Osman Cameron, John H. A. Pettigrew, Thomas David Percy
  • CONNECTING MECHANISM
    Publication number: 20100260543
    Abstract: A method for connecting at least a first component (1) and a second component (2) together, wherein each said component (1, 2) comprises at least one keyway arrangement extending along the component (1, 2) and keyways (11, 13) of the keyway arrangement are spaced apart from one another. The method comprises the steps of: aligning the keyway arrangements of the first and second components (1, 2) such that the keyways (11, 13) intermesh to provide a continuous keyway passage extending longitudinally between the intermeshed keyways (11, 13); and, extending a keyway connector (3) comprising an arrangement of keys longitudinally within the continuous keyway passage such that the keys are retained by the keyways (11, 13) of the keyway arrangements.
    Type: Application
    Filed: December 11, 2009
    Publication date: October 14, 2010
    Applicant: JOINLOCK PTY LTD.
    Inventors: Dean Osman CAMERON, John H.A. Pettigrew, Thomas David Percy