Patents by Inventor Pavan Jain

Pavan Jain 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 using a closed loop controlled actuator for surface profilometry
    Patent number: 6901677
    Abstract: An apparatus for profiling the surface of a workpiece, including a probe adapted to make contact with the surface of a workpiece, a sensor for determining or deriving the force between the probe and the workpiece surface, an actuator that adjusts the position of the probe along an axis, which is generally perpendicular to the surface of the workpiece, in order to maintain a constant force between the probe and the surface, and a closed control loop, including a controller that controls the operation of the actuator based on information from the sensor.
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: June 7, 2005
    Assignee: University of North Carolina at Charlotte
    Inventors: Stuart T. Smith, Marcin B. Bauza, Pavan Jain, Shane C. Woody
  • Method and apparatus using a closed loop controlled actuator for surface profilometry
    Publication number: 20040221465
    Abstract: An apparatus for profiling the surface of a workpiece, including a probe adapted to make contact with the surface of a workpiece, a sensor for determining or deriving the force between the probe and the workpiece surface, an actuator that adjusts the position of the probe along an axis, which is generally perpendicular to the surface of the workpiece, in order to maintain a constant force between the probe and the surface, and a closed control loop, including a controller that controls the operation of the actuator based on information from the sensor.
    Type: Application
    Filed: May 5, 2004
    Publication date: November 11, 2004
    Applicant: University of North Carolina at Charlotte
    Inventors: Stuart T. Smith, Marcin B. Bauza, Pavan Jain, Shane C. Woody
  • Method and apparatus using a closed loop controlled actuator for surface profilometry
    Patent number: RE41057
    Abstract: An apparatus for profiling the surface of a workpiece, including a probe adapted to make contact with the surface of a workpiece, a sensor for determining or deriving the force between the probe and the workpiece surface, an actuator that adjusts the position of the probe along an axis, which is generally perpendicular to the surface of the workpiece, in order to maintain a constant force between the probe and the surface, and a closed control loop, including a controller that controls the operation of the actuator based on information from the sensor.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: December 29, 2009
    Assignee: Insitutec, Inc.
    Inventors: Stuart T. Smith, Marcin B. Bauza, Pavan Jain, Shane C. Woody