Patents by Inventor David J. H. Odds

David J. H. Odds 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).

  • Underwater jet blasting apparatus
    Patent number: 4209952
    Abstract: Apparatus for use in high pressure underwater abrasive-laden water jetting has a gun connected to a high pressure water pump and having an inductor connected to a source of abrasive. Abrasive is supplied to the inductor only when the gun is operated by reason of a control valve for an air supply to the abrasive container being opened to pressurize the container when water pressure is supplied, in other cases air continues to flow to prevent water entering the apparatus.
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: July 1, 1980
    Assignee: F. A. Hughes and Company Limited
    Inventor: David J. H. Odds