Patents by Inventor Frederick D. Lawrence

Frederick D. Lawrence 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).

  • Radially channeled guide post for a nuclear fuel assembly
    Patent number: 4265708
    Abstract: An improved nuclear reactor fuel assembly of a type having a control rod guide tube through which a control rod may be reciprocated from above and through which a coolant flow is maintained from below wherein the improvement comprises the guide tube having a flow restriction at its upper end and having a plurality of flow bypass channels spaced around the tube circumference below the restriction for directing coolant flow generally radially outward from the guide tube.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: May 5, 1981
    Assignee: Combustion Engineering, Inc.
    Inventor: Frederick D. Lawrence