Patents by Inventor Stanley Powell

Stanley Powell 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).

  • Gate assembly for ponds
    Patent number: 4514110
    Abstract: A gate assembly for sub-dividing a pond or reservoir into separate compartments comprises a gate (1) vertically slidable in a cooperating frame (2) secured in the floor and side walls of the pond. The frame (2) is of channel section and a sealing member (9) on the gate (1) cooperates with the frame (1) to provide a seal therebetween. The gate (1) is drawn against the frame (2) as it is lowered into position by means of cooperating wedge members (16,17) on the frame and the gate. On draining the compartment (4) at the side of the gate (1) carrying the sealing member (9) the gate is further urged into sealing engagement with the frame (2) by the pressure of the liquid in the compartment (3) at the opposite side of the gate (1).
    Type: Grant
    Filed: December 21, 1982
    Date of Patent: April 30, 1985
    Assignee: British Nuclear Fuels Limited
    Inventor: Stanley Powell
  • Process for the oxidation of a metal halidein the vapor phase
    Patent number: 4013782
    Abstract: Apparatus and process suitable for oxidising a metal halide in the vapor phase wherein at least part of the wall of the reaction zone is formed from crimped annular plates separated by uncrimped annular plates to form orifices through which at least one of the reactants can be introduced into the reaction zone.
    Type: Grant
    Filed: February 13, 1974
    Date of Patent: March 22, 1977
    Assignee: Tioxide Group Limited
    Inventors: Stanley Powell, Glyn Thomas
  • Reactor
    Patent number: 4012201
    Abstract: Apparatus suitable for oxidizing a metal halide in the vapor phase wherein at least part of the wall of the reaction zone is formed from crimped annular plates separated by uncrimped annular plates to form orifices through which at least one of the reactants can be introduced into the reaction zone.
    Type: Grant
    Filed: October 23, 1974
    Date of Patent: March 15, 1977
    Assignee: Tioxide Group Limited
    Inventors: Stanley Powell, Glyn Thomas