| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Reactive propulsive thrusts | |
| #3 | Springs | |
| #4 | Plasma technique | |
| #5 | Vehicle suspension arrangements | |
| #6 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kaufman Harold R | 12 |
| #2 | Robinson Raymond S | 7 |
| #3 | Kahn James R | 2 |
| #4 | Reimondo Esu Robinson | 1 |
| #5 | Hughes William E | 1 |
| #6 | Nethery Richard E | 1 |
| #7 | Harorudo Aaru Kaufuman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2015084496A1 | End-hall ion source with enhanced radiation cooling | |
| US2011163674A1 | Mitigation of plasma-inductor termination | |
| US5154635A | Coaxial vacuum cable | |
| US4954751A | Radio frequency hollow cathode | |
| CA1295428C | Ion source | |
| US4873467A | Ion source with particular grid assembly | |
| CA1268864A | End-hall ion source | |
| US4862032A | End-Hall ion source | |
| US4481062A | Electron bombardment ion sources | |
| US3156090A | Ion rocket | |
| US2596031A | Pneumatic spring |