Patents by Inventor William G. Swift

William G. Swift 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).

  • Fitting with prestressed septum
    Patent number: 4655765
    Abstract: A medication infusion device (10) wherein a septum fitting (14) includes a housing (50) that cooperates with an annular band (68) and a septum (66) to define a cavity (80). A poppet (84) cooperates with a seating ring (88), annular band (68) and septum (66) to define an antechamber (85), and to form a seal between the septum and a reservior (32). The septum (66) is held in compression between the annular band (68) and a guide (56) to improve resealing of the septum.
    Type: Grant
    Filed: June 1, 1984
    Date of Patent: April 7, 1987
    Assignee: Parker Hannifin Corporation
    Inventor: William G. Swift