Patents by Inventor Gary B. Wiley

Gary B. Wiley 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).

  • Low friction vacuum valve and drying apparatus
    Patent number: 4584781
    Abstract: A vacuum valve maintaining the simplicity of operation and reliability of a glass stopcock for large bore, low impedance vacuum procedures, such as continuous freeze drying. A rigid inner member, with friction reducing raised circumferential and longitudinal portions, is rotated within a clear elastomeric outer member to provide various vacuum connections.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: April 29, 1986
    Assignee: Martin Parkinson
    Inventors: Martin C. Parkinson, Gary B. Wiley