Patents
Patents
DatePatent (PDF) Patent #
May 20, 2008  Use of Geo-Stationary Satellites to Augment Wide_Area Multilateration Synchronization 7,375,683 
September 11, 2007  Method and Apparatus for Correlating Flight Identification Data with Secondary Surveillance Radar Data RE39829 
July 24, 2007  Correlation of Flight Track Data with Other Data Sources 7,248,219 
November 7, 2006 Method and Apparatus for Accurate Aircraft and Vehicle Tracking 7,132,982
October 24, 2006 Minimum Altitude Warning 7,126,534
October 17, 2006 Correlation of Flight Track Data with Other Data Sources 7,123,192
January 31, 2006 Method & Apparatus to Correlate Aircraft Flight Tracks and Events 6,992,626
April 25, 2005 Correlation of Flight Track Data with Other Sources 6,885,340
November 2, 2004 Voice Recognition Landing Fee Billing System 6,812,890
October 19, 2004 Method & Apparatus for Improving the Utility of ADS-B 6,806,829
October 14, 2004 Method & Apparatus for Improving the Utility of ADS-B 6,633,259
May 20, 2003 Method & Apparatus for Improving the Utility of ADS-B 6,567,043
September 10, 2002 Method & Apparatus for Correlating Flight ID Data with Secondary Surveillance 6,448,929
May 7, 2002 Method & Apparatus for Correlating Flight ID Data with Secondary Surveillance 6,384,783
April 3, 2001 Method & Apparatus for Improving Surveillance Coverage in a Radar-Based System 6,211,811
July 25, 2000 Multilateration Auto Calibration & Position Error Correction 6,094,169
April 11, 2000 Method & Apparatus for Improving the Accuracy of Relative Position 6,049,304
December 7, 1999 Method & Apparatus for Improving Surveillance Coverage 5,999,116
DatePatent Application PublicationApplication #
November 1, 2007  Method and Apparatus for ADS-B Validation, Active and Passive Multilateration, and Elliptical Surveillance 2007/0252760 
August 30, 2007  Method and Apparatus for Improving ADS-B Security  2007/0200761 
May 24, 2007  Extension of Aircraft Tracking and Positive Identification from Movement Areas into Non-movement Areas 2007/0115165
August 31, 2006 Multilateration Enhancements for Noise and Operations Management 2006/0191326
June 8, 2006 Method and Apparatus to Improve ADS-B Security 2006/0119515
April 20, 2006 Automated Management of Airport Revenues 2006/0085236
February 16, 2006 Airport Pavement Management System 2006/0036378
September 15, 2005 Aircraft Boundary Transition Warnings and Auto Alerting 2005/0200501
August 18, 2005 Land Use Compatibility Planning Software 2005/0182557