Patents by Inventor Richard D. Kremen

Richard D. Kremen 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).

  • Apparatus for and method of heating a swimming pool
    Patent number: 4470404
    Abstract: This disclosure relates to a solar heater apparatus for a swimming pool which incorporates a submersible suspendible black body sheet to serve as a device to absorb solar radiation and transfer the collected energy to the pool water so that the pool water can be efficiently heated.
    Type: Grant
    Filed: June 14, 1983
    Date of Patent: September 11, 1984
    Inventor: Richard D. Kremen
  • Apparatus for heating a swimming pool
    Patent number: 4402305
    Abstract: This disclosure relates to a solar heater apparatus for a swimming pool which incorporates a submersible suspendible black body sheet to serve as a device to absorb solar radiation and transfer the collected energy to the pool water so that the pool water can be efficiently heated.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: September 6, 1983
    Inventor: Richard D. Kremen