Patents by Inventor David G. Rael

David G. Rael 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).

  • Glove port retrofit assembly and method of replacing components
    Patent number: 8887365
    Abstract: What is disclosed is a system for retrofitting a sealed enclosure for performing work therein having an outer enclosure assembly configured to be clamped to the outer annular face of a port ring and form a sealed engagement with the outer annular surface of the port ring, a change assembly having an inner ring and an access element wherein the inner ring has a first annular cylinder body that is sized to be slidably received by the port ring and the access element is configured to be sealably and slidably positioned within the first annular cylinder body of the inner ring.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: November 18, 2014
    Assignee: Delaware Capital Formation, Inc.
    Inventors: Isaac M. Giesen, Michael E. Cournoyer, David G. Rael