Patents by Inventor Robert C. Crouch

Robert C. Crouch 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).

  • Valve device to aid in reconstituting injectable powders
    Patent number: 4543101
    Abstract: A device for use in equalizing the pressure inside a vial during the addition or removal of fluid comprising a one piece sterilizable device for use in equalizing the pressure inside a vial during the addition or removal of fluid which comprises a cannula having a sharpened beveled lower end for puncturing the septum of a vial, a blunt upper end covered with a septum that can be punctured by the needle of a hypodermic syringe, and an enlarged annular portion below the blunt upper end limiting entry of the device into the vial, said enlarged annular portion having an air channel leading from the inside of the cannula through the enlarged annular portion to the outside of the cannula said air channel being provided at its outer end with means for one-way air flow.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: September 24, 1985
    Assignee: Adria Laboratories, Inc.
    Inventor: Robert C. Crouch