Patents by Inventor Kramadhati Venkata Ravi

Kramadhati Venkata Ravi 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).

  • Manufacture of semiconductor ribbon and solar cells
    Patent number: 4095329
    Abstract: A method is provided for producing solar cells employing slightly curved or nearly flat monocrystalline silicon ribbons. The ribbons are formed by cutting or slicing monocrystalline hollow tubes along their lengths, the tubes having been formed according to crystal growing processes disclosed in U.S. Pat. No. 3,591,348.
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: June 20, 1978
    Assignee: Mobil Tyco Soalar Energy Corporation
    Inventor: Kramadhati Venkata Ravi
  • Flat tubular solar cells and method of producing same
    Patent number: 4056404
    Abstract: The invention provides solar cells in the form of substantially flat oval tubes, i.e. cells having a substantially flat oval ring cross-section.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: November 1, 1977
    Assignee: Mobil Tyco Solar Energy Corporation
    Inventors: Lynne C. Garone, Kramadhati Venkata Ravi