Patents by Inventor Willliam C. Cloyd

Willliam C. Cloyd 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).

  • Sealing cap with a one way valve having semi-cylindrical valve closure springs
    Patent number: 5202093
    Abstract: A cap for a container having a slit seal and semi-cylindrical spring seal closure members that abut the inner container wall and contact the slit seal at two points spaced from the center of the slit seal. The spring members permit the flexure of the seal into the space defined by the spring when an instrument penetrates the seal. In further embodiments, the cap has a secondary closure and can maintain vacuum in a container.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: April 13, 1993
    Assignee: Medical Robotics, Inc.
    Inventor: Willliam C. Cloyd