Company Filing History:

5 out of 1,334

Hughes Electronics Corporation

patents

4 out of 4,197

Hughes Aircraft Company

4. 1 out of 832,680

Other

patents

Years Active: 1988-2005

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6964396 - Automatic accel voltage tracking system for an ion thruster (2005-11-15),

2. 6948305 - Method and apparatus for balancing the emission current of neutralizers in ion thruster arrays (2005-09-27),

3. 6619028 - Electric thruster made with surface treatments for improved thermal management (2003-09-16),

4. 6336318 - Ion thruster having a hollow cathode assembly with an encapsulated heater, and its fabrication (2002-01-08),

5. 6318069 - Ion thruster having grids made of oriented pyrolytic graphite (2001-11-20),

6. 6250070 - Ion thruster with ion-extraction grids having compound contour shapes (2001-06-26),

7. 5947421 - Electrostatic propulsion systems and methods (1999-09-07),

8. 5934965 - Apertured nonplanar electrodes and forming methods (1999-08-10),

9. 5924277 - Ion thruster with long-lifetime ion-optics system (1999-07-20),

10. 5152866 - Plasma/radiation assisted molecular beam epitaxy method (1992-10-06),

11. 5048457 - Plasma/radiation assisted molecular beam epitaxy method and apparatus (1991-09-17),

12. 4838021 - Electrostatic ion thruster with improved thrust modulation (1989-06-13),

13. 4733530 - Emission current control system for multiple hollow cathode devices (1988-03-29),

Title: Innovations of John Robert Beattie

Introduction

John Robert Beattie is a notable inventor based in Westlake Village, California. He holds a total of 13 patents, showcasing his significant contributions to the field of technology, particularly in ion thruster systems.

Latest Patents

One of his latest patents is the "Automatic accel voltage tracking system for an ion thruster." This invention includes a discharge chamber, a screen grid, an accelerator grid, and an accelerator grid voltage controller. The system is designed to optimize the voltage required to prevent electron backstreaming into the ion thruster, enhancing its efficiency. Another significant patent is the "Method and apparatus for balancing the emission current of neutralizers in ion thruster arrays." This invention allows a single power processing unit to drive multiple ion thrusters, ensuring balanced current distribution to each neutralizer cathode.

Career Highlights

Throughout his career, John Robert Beattie has worked with prominent companies such as Hughes Electronics Corporation and Hughes Aircraft Company. His experience in these organizations has contributed to his expertise in developing advanced technologies.

Collaborations

Some of his notable coworkers include Jesse N. Matossian and John Dalton Williams. Their collaboration has likely played a role in the innovative projects they have undertaken together.

Conclusion

John Robert Beattie is a distinguished inventor whose work in ion thruster technology has made a significant impact in the field. His patents reflect his commitment to advancing aerospace technology and improving efficiency in propulsion systems.

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