Patents by Inventor Ronald W. Gardner

Ronald W. Gardner 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).

  • Test port
    Patent number: 7155989
    Abstract: A test port assembly and method are utilized for returning air characteristics within a closed chamber. The test port assembly is positioned in an exterior wall or panel and as required the test port is opened by removing a threaded cap. A thermometer can then be inserted through the test port assembly and the temperature of the air within the chamber quickly determined.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: January 2, 2007
    Assignee: Environmental Air Systems, Inc.
    Inventors: Stewart J. Gerold, Ronald W. Gardner