Patents by Inventor Glenda A. Wilson

Glenda A. Wilson 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).

  • Anti-cross contamination valve and fluid delivery systems using same
    Patent number: 5916201
    Abstract: An anti-cross contamination valve for use in medical fluid delivery systems comprises a valve housing having a first port, a second port, and a third port that open into a hollow interior. A valve body is rotatably mounted within the hollow interior and has at least one fluid passageway therethrough. A knob is attached to the valve body and extends outside of the valve housing. The at least one passageway includes a first fluid passageway that opens the first port to the third port when the valve body is rotated to a first position with respect to the valve housing. The second port is closed when the valve is in its first position. The at least one passageway also includes a second fluid passageway that opens the second port to the third port when the valve body is rotated to a second position with respect to the valve housing. The first port is closed when the valve is in its second position.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: June 29, 1999
    Inventors: Roland B. Wilson, Jr., Glenda A. Wilson
  • Anti-cross contamination valve and fluid delivery systems using same
    Patent number: 5540668
    Abstract: An anti-cross contamination valve for use in medical fluid delivery systems comprises a valve housing having a first port, a second port, and a third port that open into a hollow interior. A valve body is rotatably mounted within the hollow interior and has at least one fluid passageway therethrough. A knob is attached to the valve body and extends outside of the valve housing. The at least one passageway includes a first fluid passageway that opens the first port to the third port when the valve body is rotated to a first position with respect to the valve housing. The second port is closed when the valve is in its first position. The at least one passageway also includes a second fluid passageway that opens the second port to the third port when the valve body is rotated to a second position with respect to the valve housing. The first port is closed when the valve is in its second position.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: July 30, 1996
    Inventors: Roland B. Wilson, Jr., Glenda A. Wilson