Patents by Inventor David A. Valletta

David A. Valletta 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).

  • Method and apparatus for solar collector with integral stagnation temperature control
    Patent number: 7823582
    Abstract: This invention relates to a method and apparatus for a solar collector having intergral control of the maximum temperature that it can reach, thereby avoiding excessive stagnation temperatures in the collector.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: November 2, 2010
    Assignee: Queen's University at Kingston
    Inventors: Stephen J. Harrison, Qin Lin, Lucio C. Mesquita, David A. Valletta
  • Method and apparatus for solar collector with integral stagnation temperature control
    Publication number: 20070272233
    Abstract: This invention relates to a method and apparatus for a solar collector having intergral control of the maximum temperature that it can reach, thereby avoiding excessive stagnation temperatures in the collector.
    Type: Application
    Filed: August 29, 2006
    Publication date: November 29, 2007
    Inventors: Stephen Harrison, Qin Lin, Lucio Mesquita, David Valletta
  • Method and apparatus for solar collector with integral stagnation temperature control
    Patent number: 7143762
    Abstract: This invention relates to a method and apparatus for a solar collector having intergral control of the the maximum temperature that it can reach, thereby avoiding excessive stagnation temperatures in the collector.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: December 5, 2006
    Assignee: Queen's University at Kingston
    Inventors: Stephen J. Harrison, Qin Lin, Lucio C. Mesquita, David A. Valletta
  • Method and apparatus for solar collector with integral stagnation temperature control
    Publication number: 20040187861
    Abstract: This invention relates to a method and apparatus for a solar collector having intergral control of the the maximum temperature that it can reach, thereby avoiding excessive stagnation temperatures in the collector.
    Type: Application
    Filed: February 6, 2004
    Publication date: September 30, 2004
    Inventors: Stephen J. Harrison, Qin Lin, Lucio C. Mesquita, David A. Valletta