Patents by Inventor Keith Grindstaff

Keith Grindstaff 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).

  • Centralizer-based survey and navigation device and method
    Patent number: 7870912
    Abstract: A Centralizer based Survey and Navigation (CSN) device designed to provide borehole or passageway position information. The CSN device can include one or more displacement sensors, centralizers, an odometry sensor, a borehole initialization system, and navigation algorithm implementing processor(s). Also, methods of using the CSN device for in-hole survey and navigation.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: January 18, 2011
    Assignee: Raytheon UTD, Incorporated
    Inventors: Benjamin Dolgin, William Suliga, Brett Goldstein, David Vickerman, John L. Hill, III, Joram Shenhar, Keith Grindstaff, Steven A. Cotten
  • CENTRALIZER-BASED SURVEY AND NAVIGATION DEVICE AND METHOD
    Publication number: 20100038068
    Abstract: A Centralizer based Survey and Navigation (CSN) device designed to provide borehole or passageway position information. The CSN device can include one or more displacement sensors, centralizers, an odometry sensor, a borehole initialization system, and navigation algorithm implementing processor(s). Also, methods of using the CSN device for in-hole survey and navigation.
    Type: Application
    Filed: August 17, 2009
    Publication date: February 18, 2010
    Inventors: Benjamin Dolgin, William Suliga, Brett Goldstein, David Vickerman, John L. Hill, III, Joram Shenhar, Keith Grindstaff, Steven A. Cotten
  • Centralizer-based survey and navigation device and method
    Patent number: 7584808
    Abstract: A Centralizer based Survey and Navigation (CSN) device designed to provide borehole or passageway position information. The CSN device can include one or more displacement sensors, centralizers, an odometry sensor, a borehole initialization system, and navigation algorithm implementing processor(s). Also, methods of using the CSN device for in-hole survey and navigation.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: September 8, 2009
    Assignee: Raytheon UTD, Incorporated
    Inventors: Benjamin Dolgin, William Suliga, Brett Goldstein, David Vickerman, John L. Hill, III, Joram Shenhar, Keith Grindstaff, Steven A. Cotten
  • Centralizer-based survey and navigation device and method
    Publication number: 20060157278
    Abstract: A Centralizer based Survey and Navigation (CSN) device designed to provide borehole or passageway position information. The CSN device can include one or more displacement sensors, centralizers, an odometry sensor, a borehole initialization system, and navigation algorithm implementing processor(s). Also, methods of using the CSN device for in-hole survey and navigation.
    Type: Application
    Filed: December 14, 2005
    Publication date: July 20, 2006
    Inventors: Benjamin Dolgin, William Suliga, Brett Goldstein, David Vickerman, John Hill, Joram Shenhar, Keith Grindstaff, Steven Cotten