Earl B. Brookbank
28Patents
12h-index
34Co-inventors
81Inventor score
Filing activity: Jul 6, 1981 → Jan 6, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6192983A | Coiled tubing strings and installation methods | Fixed Constructions | 111 | Expired |
| US6328111A | Live well deployment of electrical submersible pump | Fixed Constructions | 81 | Expired |
| US4681169A | Apparatus and method for supplying electric power to cable suspended submergible pumps | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5070940A | Apparatus for deploying and energizing submergible electric motor downhole | Electricity | 42 | Expired |
| US6143988A | Coiled tubing supported electrical cable having indentations | Electricity | 38 | Expired |
| US5086196A | Electro-mechanical cable for cable deployed pumping systems | Electricity | 31 | Expired |
| US6883604B2 | Shaft locking couplings for submersible pump assemblies | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5821452A | Coiled tubing supported electrical cable having clamped elastomer supports | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4621689A | Cable suspended submergible pumping system with safety valve | Fixed Constructions | 20 | Expired |
| US6099271A | Downhole electrical submersible pump with dynamically stable bearing system | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5988996A | Electrical shaft grounding brush assembly and holder for a submersible pump motor | Electricity | 19 | Expired |
| US5828149A | Lubricant inducer pump for electrical motor | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4453892A | Submergible pump installations | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7325601B2 | Shaft locking couplings for submersible pump assemblies | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8435015B2 | Heat transfer through the electrical submersible pump | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6571879B1 | Surface-actuated release tool for submersible pump assemblies | Fixed Constructions | 8 | Expired |
| US8596348B2 | Downhole connector maintenance tool | Fixed Constructions | 7 | Active |
| US8684100B2 | Electrically engaged, hydraulically set downhole devices | Fixed Constructions | 7 | Active |
| US8708664B2 | System to measure vibrations using fiber optic sensors | Physics | 5 | Active |
| US8028753B2 | System, method and apparatus for controlling the flow rate of an electrical submersible pump based on fluid density | Fixed Constructions | 5 | Active |
| US8358043B2 | Enhanced thermal conductivity material in annular gap between electrical motor stator and housing | Emerging Cross-Sectional Technologies | 4 | Active |
| US8950472B2 | System for monitoring linearity of down-hole pumping systems during deployment and related methods | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8891076B2 | Fiber optic measurement of parameters for downhole pump diffuser section | Physics | 3 | Active |
| US7984766B2 | System, method and apparatus for gas extraction device for down hole oilfield applications | Fixed Constructions | 3 | Active |
| US8830471B2 | Measuring operational parameters in an ESP seal with fiber optic sensors | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.