Patents by Inventor William Patrick Campbell, III

William Patrick Campbell, III 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).

  • Solar energy system
    Patent number: 4081289
    Abstract: A system for extracting energy from the sun's rays including a bank of solar energy cells which generate electrical current when exposed to the rays of the sun, immersed in a bath of liquid formed to serve as a lens, concentrating the sun rays on the cells, and transmitting heat away from the cells.
    Type: Grant
    Filed: December 24, 1975
    Date of Patent: March 28, 1978
    Inventor: William Patrick Campbell, III