Patents by Inventor Royce Jay Laverman

Royce Jay Laverman 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).

  • Guide pole fitting seal for floating roof storage tanks
    Patent number: 5829621
    Abstract: A guide pole fitting seal for use on floating roof tanks that incorporates a well gasket, pole sleeve, pole wiper, float and float wiper that may be used with guide poles to control emissions from the guide pole fitting. The guide pole seal may permit the product level in the tank to be measured and sampled from inside of the guide pole by removing the float during these operations.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: November 3, 1998
    Assignee: Chicago Bridge & Iron Technical Services Company
    Inventors: Royce Jay Laverman, John Edward Owens, Jr.