Patents by Inventor John H. Stade

John H. Stade 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).

  • Power syringe with volume reducing adapter
    Patent number: 4705509
    Abstract: A syringe for a power injector has an adapter with engaging and gripping means for being secured to the machine grippable protrusion of a backer plate of the piston of the syringe. The rear end of the adapter has a machine grippable protrusion so that the syringe, having its volume reduced by the length of the adapter, can be utilized in a conventional power injection machine.
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: November 10, 1987
    Assignee: Mallinckrodt, Inc.
    Inventor: John H. Stade
  • Power syringe with volume reducing adapter
    Patent number: 4636198
    Abstract: A syringe for a power injector has an adapter with engaging and gripping means for being secured to the machine grippable protrusion of a backer plate of the piston of the syringe. The rear end of the adapter has a machine grippable protrusion so that the syringe, having its volume reduced by the length of the adapter, can be utilized in a conventional power injection machine.
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: January 13, 1987
    Assignee: Mallinckrodt, Inc.
    Inventor: John H. Stade