James E. Hessert
20Patents
14h-index
13Co-inventors
78Inventor score
Filing activity: Apr 19, 1974 → Nov 28, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6667279B1 | Method and composition for forming water impermeable barrier | Emerging Cross-Sectional Technologies | 143 | Expired |
| US3955998A | Aqueous gels for plugging fractures in subterranean formation and production of said aqueous gels | Fixed Constructions | 71 | Expired |
| US4276935A | Treatment of subsurface gas-bearing formations to reduce water production therefrom | Fixed Constructions | 62 | Expired |
| US4110230A | Aqueous gelable compositions having extended gelation time and methods of preparing same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4043921A | Cellulose ether-polyacrylamide aqueous gels | Emerging Cross-Sectional Technologies | 28 | Expired |
| US3949811A | Method for reducing the permeability of subterranean formations to brines | Chemistry; Metallurgy | 28 | Expired |
| US4040484A | Gel formation by polymer crosslinking | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4120361A | Method for reducing the permeability of subterranean formations to brines | Fixed Constructions | 26 | Expired |
| US4079785A | Oil recovery method using in situ-partitioning surfactant flood systems | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4068720A | Method for acidizing subterranean formations | Emerging Cross-Sectional Technologies | 20 | Expired |
| US3971440A | Method for treating subterranean formations with cellulose ether-polyacrylamide aqueous gels | Chemistry; Metallurgy | 15 | Expired |
| US4169797A | Composition for acidizing subterranean formations | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4068719A | Method for acidizing subterranean formations | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8822388B2 | Multi-component aqueous gel solution for control of delayed gelation timing and for resulting gel properties | Chemistry; Metallurgy | 14 | Active |
| US4146486A | Composition for acidizing subterranean formations | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4068714A | Method for acidizing subterranean formations | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4048079A | Aqueous gels and uses thereof | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4172041A | Composition for acidizing subterranean formations | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7510004B1 | Method for treating an underground formation | Emerging Cross-Sectional Technologies | 9 | Expired |
| USRE29716E | Method of drilling a borehole using gelled polymers | General | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.