Patents by Inventor Richard G. Dye

Richard G. Dye 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: 4541265
    Abstract: A process for forming an improved deep drawn and ironed metal shell for use as a pressure vessel having selectively controlled wall thicknesses to impart additional strength to predetermined portions of the improved metal shell. A stepped mandrel is utilized in conjunction with at least one ironing die to fabricate the improved metal shell.
    Type: Grant
    Filed: July 17, 1984
    Date of Patent: September 17, 1985
    Assignee: Purolator Products Inc.
    Inventors: Richard G. Dye, Arthur W. Robichaud
  • Patent number: 4320848
    Abstract: An improved deep drawn and ironed metal shell for use as a pressure vessel having selectively controlled wall thicknesses to impart additional strength to predetermined portions of the improved metal shell. A stepped mandrel is utilized in conjunction with at least one ironing die to fabricate the improved metal shell.
    Type: Grant
    Filed: June 7, 1979
    Date of Patent: March 23, 1982
    Inventors: Richard G. Dye, Arthur W. Robichaud