David E. Smith
22Patents
14h-index
34Co-inventors
81Inventor score
Filing activity: Sep 19, 1979 → Sep 5, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5283054A | Process for producing sodium salts from brines of sodium ores | Chemistry; Metallurgy | 56 | Expired |
| US4610801A | Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith | Textiles; Paper | 45 | Expired |
| US6696631B2 | Music performance system | Physics | 39 | Expired |
| US4711727A | Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith | Textiles; Paper | 39 | Expired |
| US6428759B1 | Production of feed liquors for sodium carbonate crystallization processes | Chemistry; Metallurgy | 39 | Expired |
| US6589497B2 | Process for preparing soda ash from solution mined bicarbonate brines | Chemistry; Metallurgy | 30 | Expired |
| US7356540B2 | Data storage and retrieval system | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5953331A | Wireless packet system for efficient wide area bandwidth utilization | Electricity | 27 | Expired |
| US5406955A | ECG recorder and playback unit | Human Necessities | 26 | Expired |
| US4272297A | Compositions for use with papermaking fillers | Textiles; Paper | 22 | Expired |
| US4295933A | Producing dispersions of preflocculated fillers for use in papermaking | Textiles; Paper | 22 | Expired |
| US6228335A | Process for the production of sodium carbonate crystals | Emerging Cross-Sectional Technologies | 21 | Expired |
| US8262797B1 | Weir design providing optimal purge gas flow, melt control, and temperature stabilization for improved single crystal growth in a continuous Czochralski process | Emerging Cross-Sectional Technologies | 18 | Active |
| US7335833B2 | Music performance system | Physics | 15 | Expired |
| US8877149B2 | Combustion flue gas NOx treatment | Emerging Cross-Sectional Technologies | 5 | Active |
| US6413488B1 | Post conversion of a gas containing hydrogen sulphide, the elimination of sulphur crystallized by cooling | Chemistry; Metallurgy | 4 | Expired |
| US8147785B2 | Combustion flue gas NOx treatment | Emerging Cross-Sectional Technologies | 3 | Active |
| US8257496B1 | Crucible weight measurement system for controlling feedstock introduction in Czochralski crystal growth | Emerging Cross-Sectional Technologies | 3 | Active |
| USD312619S | Information display for a computer disk drive system | General | 2 | Expired |
| US5467774A | Method and system for precise time based presentation of recorded medical data | Human Necessities | 1 | Expired |
| US5676797A | Apparatus for removing high-volume, low concentration non-condensable gases produced in a kraft pulping process | Textiles; Paper | 1 | Expired |
| US9353457B2 | Weir method for improved single crystal growth in a continuous Czochralski process | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.