Inventor · disambiguated record
John R. Beattie
Also filed as: BEATTIE JOHN R · BEATTIE JOHN ROBERT
13 granted patents·509 citations·filing 1986–2003
94Inventor score
Top patents by PatentIndex Score
13 records- 0197US4838021AElectrostatic ion thruster with improved thrust modulationHUGHES AIRCRAFT CO·Filed 1987·Granted Jun 13, 1989·134 cites·6 claims
- 0293US6336318B1Ion thruster having a hollow cathode assembly with an encapsulated heater, and its fabricationHUGHES ELECTRONICS CORP·Filed 2000·Granted Jan 8, 2002·60 cites·17 claims
- 0392US5924277AIon thruster with long-lifetime ion-optics systemHUGHES ELECTRONICS CORP·Filed 1996·Granted Jul 20, 1999·78 cites·20 claims
- 0488US5947421AElectrostatic propulsion systems and methodsFiled 1997·Granted Sep 7, 1999·77 cites·5 claims
- 0586US6318069B1Ion thruster having grids made of oriented pyrolytic graphiteHUGHES ELECTRONICS CORP·Filed 2000·Granted Nov 20, 2001·36 cites·19 claims
- 0686US6250070B1Ion thruster with ion-extraction grids having compound contour shapesHUGHES ELECTRONICS CORP·Filed 2000·Granted Jun 26, 2001·43 cites·18 claims
- 0772US4733530AEmission current control system for multiple hollow cathode devicesHUGHES AIRCRAFT CO·Filed 1986·Granted Mar 29, 1988·28 cites·8 claims
- 0869US6619028B2Electric thruster made with surface treatments for improved thermal managementBOEING CO·Filed 2001·Granted Sep 16, 2003·14 cites·20 claims
- 0965US6964396B2Automatic accel voltage tracking system for an ion thrusterBOEING CO·Filed 2001·Granted Nov 15, 2005·16 cites·22 claims
- 1058US6948305B2Method and apparatus for balancing the emission current of neutralizers in ion thruster arraysBOEING CO·Filed 2003·Granted Sep 27, 2005·10 cites·23 claims
- 1138US5934965AApertured nonplanar electrodes and forming methodsHUGHES ELECTRONICS CORP·Filed 1997·Granted Aug 10, 1999·7 cites·31 claims
- 1233US5152866APlasma/radiation assisted molecular beam epitaxy methodHUGHES AIRCRAFT CO·Filed 1990·Granted Oct 6, 1992·3 cites·14 claims
- 1333US5048457APlasma/radiation assisted molecular beam epitaxy method and apparatusHUGHES AIRCRAFT CO·Filed 1990·Granted Sep 17, 1991·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →