Norman E. Williams
28Patents
9h-index
17Co-inventors
72Inventor score
Filing activity: Aug 2, 1974 → Apr 8, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5889252A | Method of and apparatus for independently controlling electric parameters of an impedance matching network | Electricity | 143 | Expired |
| US5614026A | Showerhead for uniform distribution of process gas | Electricity | 104 | Expired |
| US5467013A | Radio frequency monitor for semiconductor process control | Electricity | 86 | Expired |
| US5472561A | Radio frequency monitor for semiconductor process control | Electricity | 74 | Expired |
| US5859354A | Inbred maize line PH09B | Human Necessities | 47 | Expired |
| US4812600A | Inbred corn like PHK29 | Human Necessities | 22 | Expired |
| US6020543A | Inbred maize line PH1B5 | Human Necessities | 19 | Expired |
| US4018270A | Automotive fan shroud for screening debris | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5429037A | Three-function control mechanism employing a single control lever | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD345599S | Portable fan unit | General | 9 | Expired |
| US6759578B1 | Inbred maize line PH6ME | Human Necessities | 8 | Expired |
| US5929311A | Hybrid maize plant and seed 32J55 | Human Necessities | 8 | Expired |
| US3951206A | Rotary disc type heat exchanger | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6756528B1 | Inbred maize line PH6KW | Human Necessities | 6 | Expired |
| US4139772A | Plasma discharge ion source | Electricity | 6 | Expired |
| US5723722A | Inbred maize line PHND1 | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4100965A | Automotive fan shroud for screening debris | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5763743A | Inbred maize line PH63A | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7314987B1 | Inbred maize line PH6KW | Human Necessities | 3 | Expired |
| US4664203A | Blade support for bulldozers and the like | Fixed Constructions | 3 | Expired |
| US5152268A | Throttle control linkage for internal combustion engines and method of set-up | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5998711A | Inbred maize line PH09E | Human Necessities | 1 | Expired |
| US7465856B1 | Inbred maize line PH6ME | Human Necessities | 1 | Expired |
| US4196860A | Pulverizing and classifying apparatus with improved tailings and contaminant take-out control | Performing Operations; Transporting | 1 | Expired |
| US5804692A | Hybrid maize plant and seed (33R87) | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.