Patents by Inventor George A. Sivert

George A. Sivert 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).

  • Needleless injection port arrangement
    Patent number: 4915687
    Abstract: A needleless injection port arrangement (10) for intravenous fluid systems wherein the arrangement (10) includes a valving unit (12) disposed in a valve housing unit (11) having a dual port upper valve housing member (13): wherein, the valving unit (12) includes a valve head member (50) mounted on a resilient biasing member (40) to control the introduction of medicant fluids through a medicant fluid port (18) formed in the upper valve housing member (13).
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: April 10, 1990
    Inventor: George A. Sivert