Patents by Inventor John W. McConnell, Jr.

John W. McConnell, Jr. 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).

  • Method of recovering hazardous waste from phenolic resin filters
    Patent number: 4995916
    Abstract: The invention is a process for the recovery of hazardous wastes such as heavy metals and radioactive elements from phenolic resin filter by a circulating a solution of 8 to 16 molar nitric acid at a temperature of 110 to 190 degrees F. through the filter. The hot solution dissolves the filter material and releases the hazardous material so that it can be recovered or treated for long term storage in an environmentally safe manner.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: February 26, 1991
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: David H. Meikrantz, Gary L. Bourne, John N. McFee, Bradley G. Burdge, John W. McConnell, Jr.
  • Underwater shock control system
    Patent number: 4264236
    Abstract: An underwater shock control system, including apparatus and method, the apparatus comprising one or more large underwater cylinder shock or dynamic load dampeners especially adapted to protect against seismic loads (particularly in a high gamma radiation environment) while allowing movement due to temperature. Each underwater cylinder is mounted between underwater equipment to be stabilized and underwater support structure. Each underwater cylinder uses the surrounding water as the working hydraulic fluid which water is drawn in and expelled through various orifices in the cylinder by relative movement between the equipment and support structure.
    Type: Grant
    Filed: June 11, 1979
    Date of Patent: April 28, 1981
    Assignee: Energy Incorporated
    Inventor: John W. McConnell, Jr.