Patents by Inventor Manuel Ruiz-Urbieta

Manuel Ruiz-Urbieta 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).

  • Collector grid for CdS/CuS photovoltaic cells
    Patent number: 4252573
    Abstract: By increasing the line spacing and the width of the grid wires of cadmium sulfide/copper sulfide photovoltaic cells, an easier to manufacture, low cost cell having a higher conversion efficiency is obtained. Seven to eight grid wires per inch have been found to be particularly desirable in achieving these end results.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: February 24, 1981
    Assignee: University of Delaware
    Inventors: Karl W. Boer, Norman S. Freedman, Henry C. Hadley, Jr., James Phillips, Manuel Ruiz-Urbieta