Patents by Inventor Charles E. McElveen, Jr.

Charles E. McElveen, Jr. 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).

  • Dual-valved connector for intravenous systems
    Patent number: 5163922
    Abstract: A connector provides access to intravenous fluid lines, bags, and vials with either conventional needles or needleless fittings. The connector has a housing with at least one input port and an output port. Two valves normally biased to closed positions control passage of fluid between the one input port and the output port, One of the valves is displaceable to an open position by a needleless fitting, and the other valve is displaceable to an open position by a conventional needle.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: November 17, 1992
    Assignee: Charles E. McElveen, Jr.
    Inventors: Charles E. McElveen, Jr., George F. Arp