David Harvey
18Patents
8h-index
33Co-inventors
72Inventor score
Filing activity: Sep 8, 1977 → Nov 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5411897A | Machine and method for applying solder paste to electronic devices such as solar cells | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4757707A | Molten metal gas analysis | Physics | 38 | Expired |
| US5098229A | Source material delivery system | Performing Operations; Transporting | 37 | Expired |
| US5102494A | Wet-tip die for EFG cyrstal growth apparatus | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5814789A | Forced convection furnance gas plenum | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6394794B2 | Modular furnace system | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4937053A | Crystal growing apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5695331A | Multiple width boat carrier for vertical ovens | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5037622A | Wet-tip die for EFG crystal growth apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US10633765B2 | Method for maintaining contained volume of molten material from which material is depleted and replenished | Chemistry; Metallurgy | 6 | Active |
| US4199349A | Production of sponge iron | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8764901B2 | Removing a sheet from the surface of a melt using elasticity and buoyancy | Chemistry; Metallurgy | 1 | Active |
| US11186894B2 | Preparation of rare earth metals and other chemicals from industrial waste coal ash | Emerging Cross-Sectional Technologies | 1 | Active |
| US11866804B2 | Preparation of rare earth metals and other chemicals from industrial waste coal ash | Emerging Cross-Sectional Technologies | 0 | Active |
| US8328932B2 | Ribbon crystal pulling furnace afterheater with at least one opening | Emerging Cross-Sectional Technologies | 0 | Active |
| US7780782B2 | Method and apparatus for growing a ribbon crystal with localized cooling | Emerging Cross-Sectional Technologies | 0 | Active |
| US8293007B2 | Removable thermal control for ribbon crystal pulling furnaces | Emerging Cross-Sectional Technologies | 0 | Active |
| US8388751B2 | Controlling transport of gas borne contaminants across a ribbon surface | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.