Patents by Inventor Carlos Boy

Carlos Boy 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).

  • Determining whether thermal fluid-ejection nozzle ejected fluid upon firing based on temperature and/or resistance
    Patent number: 7232079
    Abstract: A method of one embodiment of the invention is disclosed that determines the temperature and/or firing resistance of a thermal fluid-ejection nozzle as the fluid-ejection nozzle is fired. The method determines whether the fluid-ejection nozzle ejected fluid upon firing based on the temperature and/or firing resistance of the fluid-ejection nozzle.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: June 19, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kenneth J. Courian, John Wade, Xavier Soler, Carlos Boy, Tom Dragnes
  • Determining whether thermal fluid-ejection nozzle ejected fluid upon firing based on temperature and/or resistance
    Publication number: 20050077377
    Abstract: A method of one embodiment of the invention is disclosed that determines the temperature and/or firing resistance of a thermal fluid-ejection nozzle as the fluid-ejection nozzle is fired. The method determines whether the fluid-ejection nozzle ejected fluid upon firing based on the temperature and/or firing resistance of the fluid-ejection nozzle.
    Type: Application
    Filed: September 12, 2003
    Publication date: April 14, 2005
    Inventors: Kenneth Courian, John Wade, Xavier Soler, Carlos Boy, Tom Dragnes