David Brown
14Patents
7h-index
11Co-inventors
63Inventor score
Filing activity: Oct 10, 1975 → May 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4960965A | Coaxial cable with composite outer conductor | Electricity | 18 | Expired |
| US5597127A | Ultrafines coal pulverizer | Performing Operations; Transporting | 10 | Expired |
| US5275631A | Coal pulverizer purifier classifier | Performing Operations; Transporting | 10 | Expired |
| US5575824A | Coal preparation device | Chemistry; Metallurgy | 9 | Expired |
| US4735909A | Method for forming a polycrystalline monolayer | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4234718A | Process for preparing cellulose acetate | Chemistry; Metallurgy | 8 | Expired |
| US6575391B1 | Mill with quick change, unitized, dynamic elements | Performing Operations; Transporting | 7 | Expired |
| US4461742A | Pyrolysis of hydrocarbons | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4053085A | Dissimilar materials seal for high pressure, high temperature and chemically reactive environments | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6286771A | Two-stage micronizer for reducing oversize particles | Performing Operations; Transporting | 5 | Expired |
| US5637122A | Electrostatic pyrite ash and toxic mineral separator | Chemistry; Metallurgy | 5 | Expired |
| US4349432A | Pyrolysis of hydrocarbons | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6534115B2 | Control process for impregnating porous parts and apparatus therefor | Chemistry; Metallurgy | 1 | Expired |
| US11459453B2 | Broad molecular weight distribution polypropylenes with high melt flow rates and high flexural modulus | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.