Patents by Inventor Roland B. Wilson, Jr.

Roland B. Wilson, 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).

  • Patent number: 6174301
    Abstract: A dual use needle cap having a before use portion and an after use portion. The before use portion including an outer surface and an interior surface defining a chamber sized to enclose a needle of a syringe. The after use portion includes a clamp and a hood attached to the outer surface of the before use portion at opposite ends thereof. The clamp is configured to fit on to at least one of a barrel of a syringe or a needle assembly connected to the syringe and the hood is configured to cover a tip of the needle.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: January 16, 2001
    Inventor: Roland B. Wilson, Jr.
  • 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
  • Patent number: 5667496
    Abstract: A syringe includes a barrel, a plunger, a needle assembly and a dual use needle cap. The plunger is mounted to move within the barrel in a typical manner, and the needle assembly is typical in that it includes a generally cylindrical base with a needle attached to a protruding away therefrom. The dual use needle cap includes a before use portion integrated with, but separate from, an after use portion. The before use portion has an outer surface and an interior surface defining a sterile chamber sized to enclosed the needle. The after use portion includes a living clamp and a hood attached to the outer surface adjacent opposite ends of the dual use needle cap. The living clamp is sized to snap fit onto one of either the neck of the syringe barrel or the base of the needle assembly. The hood is sized to cover the tip of the needle.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: September 16, 1997
    Inventor: Roland B. Wilson, Jr.
  • 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