Patents by Inventor Arthur L. Carpenter

Arthur L. Carpenter 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: 4901568
    Abstract: A hood assembly for opacity monitoring equipment including an opacity monitor fixedly secured to an outside surface of a smokestack or chimney includes a hood for protectably covering the opacity monitor and associated guide. The guide is connectable to the monitor in a stationary relationship therewith and cooperates with the hood for guiding bodily displacement of the hood relative to the monitor along a substantially vertical path between a lowered condition at which the monitor is substantially covered by the hood and an elevated condition at which the monitor is accessible.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: February 20, 1990
    Assignee: International Chimney Corporation
    Inventors: Gregory Stroup, Michael A. Krapf, Arthur L. Carpenter