Patents by Inventor Bhashar Ramakrishnan

Bhashar Ramakrishnan 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).

  • Ink jet pen having a free ink chamber
    Publication number: 20070076083
    Abstract: An ink jet pen that is equipped with a free ink chamber. The ink jet pen has a free ink chamber in fluid communication with a negative pressure producing chamber. The negative pressure producing chamber is in communication with a printhead. The ink jet pen has a power source and a surface detection device. The surface detection device is adapted to move along a surface of the substrate.
    Type: Application
    Filed: September 30, 2005
    Publication date: April 5, 2007
    Inventors: Trevor Gray, Bhashar Ramakrishnan, Jerry Stokesbary