Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6964396 | Automatic accel voltage tracking system for an ion thruster | John Dalton Williams, Prakash C. Soni | 2005-11-15 |
| 6948305 | Method and apparatus for balancing the emission current of neutralizers in ion thruster arrays | Prakash C. Soni | 2005-09-27 |
| 6619028 | Electric thruster made with surface treatments for improved thermal management | Kurt B. Kreiner | 2003-09-16 |
| 6336318 | Ion thruster having a hollow cathode assembly with an encapsulated heater, and its fabrication | Louis R. Falce | 2002-01-08 |
| 6318069 | Ion thruster having grids made of oriented pyrolytic graphite | Louis R. Falce | 2001-11-20 |
| 6250070 | Ion thruster with ion-extraction grids having compound contour shapes | Kurt B. Kreiner, Alois Wittmann, Lewis S. Pilcher | 2001-06-26 |
| 5947421 | Electrostatic propulsion systems and methods | Philip J. Goswitz | 1999-09-07 |
| 5934965 | Apertured nonplanar electrodes and forming methods | — | 1999-08-10 |
| 5924277 | Ion thruster with long-lifetime ion-optics system | John D. Williams, Jesse N. Matossian | 1999-07-20 |
| 5152866 | Plasma/radiation assisted molecular beam epitaxy method | Julius Hyman, Jr., Jesse N. Matossian, Owen K. Wu, Juan F. Lam, Lawrence E Anderson | 1992-10-06 |
| 5048457 | Plasma/radiation assisted molecular beam epitaxy method and apparatus | Julius Hyman, Jr., Jesse N. Matossian, Owen K. Wu, Juan F. Lam, Lawrence E Anderson | 1991-09-17 |
| 4838021 | Electrostatic ion thruster with improved thrust modulation | — | 1989-06-13 |
| 4733530 | Emission current control system for multiple hollow cathode devices | Donald J. Hancock | 1988-03-29 |