Patents by Inventor David Vallejo

David Vallejo 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).

  • Patent number: 7935523
    Abstract: The present invention provides an apparatus for temporal immersion cell culture comprising: A first container for holding culture media; A second container for holding the culturing cells; At least, one tube that connects a port in the first container to a port in the second container; and, A mechanism to move cyclically the containers up and down wherein the culture media on the first container migrates by gravity to the second container when the first container is in a position higher than the second container, and wherein the culture media migrates back by gravity from the second container to the first container when the first container is in a position lower than the second container; and wherein the first container moves independently from the second container.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: May 3, 2011
    Inventors: Lucia Atehortua, David Vallejo, Esther Julia Naranjo, Sandra Milena Ceballos
  • Publication number: 20090133286
    Abstract: The present invention provides an apparatus or machine to pre-dry fabric prints, wherein said machine comprises: A) a moving heat source that moves along a fixed long straight arm; B) a motor that powers the moving heat source by means of a belt; C) a control unit that commands the motor; and D) a stand for the fixed long arm with the heat source, and for the motor; wherein the heat source moves momentarily forth from a zero position along the long straight arm to a position on the top of a fabric that have been printed with a layer of fabric dye, and then the heat source moves back to the zero position.
    Type: Application
    Filed: November 26, 2007
    Publication date: May 28, 2009
    Inventor: DAVID VALLEJO
  • Publication number: 20080176315
    Abstract: The present invention provides an apparatus for temporal immersion cell culture comprising: A first container for holding culture media; A second container for holding the culturing cells; At least, one tube that connects a port in the first container to a port in the second container; and, A mechanism to move cyclically the containers up and down wherein the culture media on the first container migrates by gravity to the second container when the first container is in a position higher than the second container, and wherein the culture media migrates back by gravity from the second container to the first container when the first container is in a position lower than the second container; and wherein the first container moves independently from the second container.
    Type: Application
    Filed: January 22, 2007
    Publication date: July 24, 2008
    Inventors: Lucia Atehortua, David Vallejo, Esther Julia Naranjo, Sandra Milena Ceballos