Patents by Inventor Roger J. Batstone

Roger J. Batstone 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).

  • Automatic swimming pool cover
    Patent number: 4285078
    Abstract: An automatic cover for a liquid storage container and a method of control corresponding thereto including a cover disposed within the container, a membrane connected to a portion of the storage container and connected along a peripheral portion of the membrane to the cover, the membrane and the cover separating the storage container into a liquid storage compartment and a liquid balancing compartment, a pressurized mechanism connected to the peripheral portion of the membrane for controlling the shape and dimension of the cover and a member for feeding balancing liquid to and for withdrawing balancing liquid from the liquid balancing compartment in such a manner that hydrostatic pressure of the storage container is maintained within any predetermined range.
    Type: Grant
    Filed: May 7, 1980
    Date of Patent: August 25, 1981
    Assignee: French Masterpieces, Inc.
    Inventor: Roger J. Batstone
  • Automatic swimming pool cover
    Patent number: 4236258
    Abstract: An automatic cover for a liquid storage container and a method of control corresponding thereto including a cover disposed within the container, a membrane connected to a portion of the storage container and connected along a peripheral portion of the membrane to the cover, the membrane and the cover separating the storage container into a liquid storage compartment and a liquid balancing compartment, a pressurized mechanism connected to the peripheral portion of the membrane for controlling the shape and dimension of the cover and a member for feeding balancing liquid to and for withdrawing balancing liquid from the liquid balancing compartment in such a manner that hydrostatic pressure of the storage container is maintained within any predetermined range.
    Type: Grant
    Filed: April 17, 1979
    Date of Patent: December 2, 1980
    Assignee: French Masterpieces, Incorporated
    Inventor: Roger J. Batstone