David L. Brown
85Patents
23h-index
137Co-inventors
91Inventor score
Filing activity: Oct 14, 1980 → Nov 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5924488A | Methods of preventing well fracture proppant flow-back | Fixed Constructions | 209 | Expired |
| US6390195B1 | Methods and compositions for forming permeable cement sand screens in well bores | Fixed Constructions | 205 | Expired |
| US5381864A | Well treating methods using particulate blends | Fixed Constructions | 161 | Expired |
| US6202751A | Methods and compositions for forming permeable cement sand screens in well bores | Fixed Constructions | 148 | Expired |
| US5501274A | Control of particulate flowback in subterranean wells | Fixed Constructions | 143 | Expired |
| US5492178A | Well treating methods and devices using particulate blends | Fixed Constructions | 142 | Expired |
| US6364945B1 | Methods and compositions for forming permeable cement sand screens in well bores | Fixed Constructions | 140 | Expired |
| US5095987A | Method of forming and using high density particulate slurries for well completion | Fixed Constructions | 129 | Expired |
| US6187839A | Methods of sealing compositions and methods | Chemistry; Metallurgy | 106 | Expired |
| US5633272A | Substituted isoxazoles for the treatment of inflammation | Chemistry; Metallurgy | 97 | Expired |
| US5932598A | Prodrugs of benzenesulfonamide-containing COX-2 inhibitors | Chemistry; Metallurgy | 81 | Expired |
| US5680900A | Method for enhancing fluid loss control in subterranean formation | Emerging Cross-Sectional Technologies | 80 | Expired |
| US6978836B2 | Methods for controlling water and particulate production | Chemistry; Metallurgy | 75 | Expired |
| US4447342A | Method of clay stabilization in enhanced oil recovery | Emerging Cross-Sectional Technologies | 60 | Expired |
| US6364016B1 | Methods of reducing the water permeability of subterranean formations | Chemistry; Metallurgy | 56 | Expired |
| US6034256A | Substituted benzopyran derivatives for the treatment of inflammation | Chemistry; Metallurgy | 48 | Expired |
| US4409110A | Enhanced oil displacement processes and compositions | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6077850A | Substituted benzopyran analogs for the treatment of inflammation | Chemistry; Metallurgy | 33 | Expired |
| US7259266B2 | Benzopyran compounds useful for treating inflammatory conditions | Chemistry; Metallurgy | 30 | Expired |
| US7026272B2 | Methods and compositions for sealing oil containing subterranean zones | Chemistry; Metallurgy | 29 | Expired |
| US6271253A | Substituted benzopyran derivatives for the treatment of inflammation | Chemistry; Metallurgy | 25 | Expired |
| US6592660B2 | Methods and compositions for forming permeable cement sand screens in well bores | Fixed Constructions | 24 | Expired |
| US4992159A | Upgrading waxy distillates and raffinates by the process of hydrotreating and hydroisomerization | Chemistry; Metallurgy | 23 | Expired |
| US7028774B2 | Methods for controlling water and particulate production | Chemistry; Metallurgy | 23 | Expired |
| US6143892A | Process for making 5-substituted pyrazoles | Chemistry; Metallurgy | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.