John D. Williams
17Patents
6h-index
22Co-inventors
66Inventor score
Filing activity: Aug 31, 1981 → Dec 31, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5418431A | RF plasma source and antenna therefor | Electricity | 50 | Expired |
| US5924277A | Ion thruster with long-lifetime ion-optics system | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5498290A | Confinement of secondary electrons in plasma ion processing | Electricity | 20 | Expired |
| US5561298A | Destruction of contaminants using a low-energy electron beam | Performing Operations; Transporting | 19 | Expired |
| US5894996A | Method and apparatus for reclaiming plastic | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5833918A | Heat treatment by plasma electron heating and solid/gas jet cooling | Chemistry; Metallurgy | 11 | Expired |
| US5868878A | Heat treatment by plasma electron heating and solid/gas jet cooling | Chemistry; Metallurgy | 6 | Expired |
| US5628831A | Method for cleaning contaminants from a body in space using a space charge neutral plasma | Electricity | 6 | Expired |
| US5696429A | Method for charge neutralization of surface in space with space-charge neutral plasma | Electricity | 6 | Expired |
| US4406142A | Annular corrugator | Performing Operations; Transporting | 4 | Expired |
| US5514936A | RF plasma source and method for plasma cleaning of surface in space | Electricity | 3 | Expired |
| US10961682B1 | System and methods for concrete slab foundation repair | Fixed Constructions | 3 | Active |
| US9722566B1 | Systems and methods for tuning resonators | Electricity | 3 | Active |
| US8922301B1 | High quality-factor resonator | Electricity | 2 | Active |
| US10682622B1 | Micro-fluid reactor with in-plane micro-lenses | Physics | 0 | Active |
| US10796876B2 | Low work function electron beam filament assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US12330825B2 | Systems, methods, and apparatus for creating an enclosure, a regulated atmosphere, and functional treatments for perishable products | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.