Patents by Inventor Marion D. Cohen

Marion D. Cohen 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).

  • Extra-focal, convective suppressing solar collector
    Patent number: 4132219
    Abstract: A novel type of solar collector is disclosed comprising an absorber within a downwardly directed cavity, a reflector for reflecting solar radiation up into the cavity and onto the absorber, and a light transmitting sheet which allows solar rays to pass therethrough. The solar collector has the property that convective loss is suppressed.
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: January 2, 1979
    Inventors: Jeffrey M. Cohen, Marion D. Cohen
  • High efficiency solar collector
    Patent number: 4022188
    Abstract: A novel type of solar collector apparatus is disclosed which comprises a generally planar, horizontally extending absorber having a radiation-accepting aperture in the lower surface thereof, and a duct extending therethrough for receiving a heat transfer fluid. A non-steered reflector is disposed directly beneath the absorber, the reflector exhibiting a cross-sectional configuration of a parabolic cylindrical nature.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: May 10, 1977
    Inventors: Jeffrey M. Cohen, Marion D. Cohen