Patents by Inventor Wendell R. Parker

Wendell R. Parker 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: 4195632
    Abstract: An improvement in a fluid flow valve is disclosed. The valve comprises a combination of flexible tubing joined to a tubular member having a membrane closing off the passageway in the tubular member. A pointed spike having at least three radially projecting ribs extending longitudinally is located within the tubing adjacent the membrane and is movable by external manipulation of the tubing whereby the spike ruptures the membrane and creates a passageway permitting fluid to flow freely through the tubular member and adjoining tubing.
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: April 1, 1980
    Assignee: Cutter Laboratories, Inc.
    Inventors: Wendell R. Parker, Mark H. Silverman, Willis L. Warner
  • Patent number: 3978859
    Abstract: A closure member for pierceable access ports of flexible containers of the type adapted for effective safe storage and use of parenteral fluids and similar sterile solutions, the access port having a pierceable access closure diaphragm, wherein the closure member includes a base portion in sealed engagement over the neck of the access port on the container, with a rigidifying and strengthening portion or an insert in sealed engagement therebetween, and a free-standing portion extending from the base portion and having a sealed end, the free-standing portion being connected to the base portion by a fragible thinned material section adapted to be ruptured to permit the free-standing portion to be removed, thereby providing access to the pierceable diaphragm for insertion therethrough of a parenteral solution administration spike.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: September 7, 1976
    Assignee: Cutter Laboratories, Inc.
    Inventors: John S. Goodenough, Wendell R. Parker