Patents by Inventor Kumar Balakrishnan

Kumar Balakrishnan 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).

  • Carriage for ink-jet hard copy apparatus
    Patent number: 6916084
    Abstract: A carriage for an ink-jet printer constrains torsional deflections by providing carriage to writing-instrument latch interface features having a zero clearance interfit such that when opened, the writing-instrument latch allows individual writing-instruments to be accessed and when closed the writing-instrument latch reduces the carriage torsional deflections and increases the torsional stiffness of the carriage by providing a biasing force at each the interface feature.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: July 12, 2005
    Assignee: Hewlett-Packard Development Company
    Inventors: Kumar Balakrishnan, Kenneth R Williams
  • Carriage for ink-jet hard copy apparatus
    Publication number: 20020154192
    Abstract: A carriage for an ink-jet printer constrains torsional deflections by providing carriage to writing-instrument latch interface features having a zero clearance interfit such that when opened, the writing-instrument latch allows individual writing-instruments to be accessed and when closed the writing-instrument latch reduces the carriage torsional deflections and increases the torsional stiffness of the carriage by providing a biasing force at each the interface feature.
    Type: Application
    Filed: February 15, 2002
    Publication date: October 24, 2002
    Inventors: Kumar Balakrishnan, Kenneth R. Williams
  • Method for reducing torsional deflections
    Patent number: 6378987
    Abstract: A carriage for an ink-jet printer constrains torsional deflections by providing the carriage to writing-instrument latch interface features having a zero clearance interfit such that when opened, the writing-instrument latch allows individual writing-instruments to be accessed and when closed the writing-instrument latch reduces the carriage torsional deflections and increases the torsional stiffness of the carriage by providing a biasing force at each the interface feature.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: April 30, 2002
    Assignee: Hewlett-Packard Company
    Inventors: Kumar Balakrishnan, Kenneth R Williams
  • Carriage for ink-jet hard copy apparatus
    Publication number: 20010035894
    Abstract: A carriage for an ink-jet printer constrains torsional deflections by providing carriage to writing-instrument latch interface features having a zero clearance interfit such that when opened, the writing-instrument latch allows individual writing-instruments to be accessed and when closed the writing-instrument latch reduces the carriage torsional deflections and increases the torsional stiffness of the carriage by providing a biasing force at each the interface feature.
    Type: Application
    Filed: March 12, 2001
    Publication date: November 1, 2001
    Inventors: Kumar Balakrishnan, Kenneth R. Williams
  • Carriage for ink-jet hard copy apparatus
    Patent number: 6238039
    Abstract: A carriage for an ink-jet printer constrains torsional deflections by providing carriage to writing-instrument latch interface features having a zero clearance interfit such that when opened, the writing-instrument latch allows individual writing-instruments to be accessed and when closed the writing-instrument latch reduces the carriage torsional deflections and increases the torsional stiffness of the carriage by providing a biasing force at each the interface feature.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: May 29, 2001
    Assignee: Hewlett-Packard Company
    Inventors: Kumar Balakrishnan, Kenneth R Williams