Patents by Inventor John Gordon Hardwick

John Gordon Hardwick 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).

  • Filament winding machines
    Patent number: 4034934
    Abstract: A drive for a filament guide wherein reciprocatory motion of a first member is transferred to the filament guide via a gear mechanism to give a predetermined amplification factor.
    Type: Grant
    Filed: May 22, 1975
    Date of Patent: July 12, 1977
    Assignee: Imperial Metal Industries (Kynock) Limited
    Inventor: John Gordon Hardwick
  • Winding apparatus
    Patent number: 3977614
    Abstract: A filament winding apparatus comprising an arm pivotable to traverse a filament guide longitudinally of a mandrel, the guide being pivotally mounted on the arm, and the pivotal motions of the arm and guide being derived from a common rotatable member with a phase difference such that the guide is maintained in advance of the arm in the direction of travel of the latter.
    Type: Grant
    Filed: March 1, 1974
    Date of Patent: August 31, 1976
    Assignee: Imperial Metal Industries (Kynoch) Limited
    Inventor: John Gordon Hardwick