- USA Patent Number 4,835,537. Entitled, 'Telemetry Burst Collision Avoidance System.' Issued May 30, 1989. This patent discloses a system for using GPS signals for collision avoidance between aircraft, ships or motor vehicles as well as preventing collision with fixed geographic obstructions.
- USA Patent Number 5,351,194. Entitled, 'Apparatus and Method of Closing Flight Plans and Locating Aircraft.' Issued September 27, 1994. This patent discloses a system for the GPS navigation of aircraft. An included feature enables automatic reporting of the GPS location of downed aircraft and other aircraft emergency situations. Furthermore, this patent discloses the use of GPS navigation in association with aircraft flight plans and the air traffic control system. May also be used in maritime applications.
- USA Patent Number 5,444,444. Entitled, 'Apparatus and Method for Notifying a Recipient of an Unscheduled Delivery.' Issued August 22, 1995. This patent disc loses a system for using GPS devices in a fleet of vehicles such as delivery vehicles, taxis, buses or ships. Through the use of GPS signals and identification card reader units, a delivery vehicle can notify a person of an unscheduled delivery and perform other fleet management functions.
- USA Patent Number 5,648,770. Entitled, 'Apparatus and Method of Notifying a Party of a Pending Delivery or Pickup.' Issued July 15, 1997. This patent has expanded on the parent application of a current WNS patent entitled, 'Apparatus and Method of Notifying a Recipient of an Unscheduled Delivery' (U.S. 5,444,444) and extends the intellectual property rights with an additional 16 claims. May be used to track a ship and/or a ship's cargo containers.
- USA Patent Number 5,673,305. Entitled, 'Apparatus and Methods for Tracking and Reporting Location of Motor Vehicles.' Issued September 30, 1997. This patent discloses a GPS based system for theft prevention of motor vehicles. It includes the use of a central station to track a GPS equipped motor vehicle and receive authorization codes from the motor vehicle. The same technology can be applied to tracking maritime vessels globally.
- USA Patent Number 5,714,948. Entitled, 'Satellite Based Aircraft Traffic Control System.' Issued February 3, 1998. This patent discloses a GPS based system for the identification and location of aircraft to the air traffic control system. The system works in conjunction with aircraft radio communications to automatically identify aircraft to the air traffic control system. The patent also applies to ground and maritime vehicle control/monitoring systems incorporating visual display of GPS derived location, transmitted via wireless communications with associated icons, symbols and status information about the vehicle.
- USA Patent Number 6,314,366. Entitled, 'Satellite Based Collision Avoidance System.' This patent disclosesa method of collision avoidance wherein a data link is established between two vehicles, generally aircraft, to exchange position and movement data, and to generate an evasive maneuver for one or more vehicles as necessary to maintain safe separation of the vehicles. This is accomplished by utilizing the Global Positioning Systems precision time to synchronize transmission of said position, movement, and evasive maneuvers of the vehicles in question.
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