John Edwards
40Patents
13h-index
67Co-inventors
84Inventor score
Filing activity: Sep 22, 1995 → Apr 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7665537B2 | System and method to seal using a swellable material | Fixed Constructions | 129 | Active |
| US6727827B1 | Measurement while drilling electromagnetic telemetry system using a fixed downhole receiver | Fixed Constructions | 87 | Expired |
| US6405808B1 | Method for increasing the efficiency of drilling a wellbore, improving the accuracy of its borehole trajectory and reducing the corresponding computed ellise of uncertainty | Fixed Constructions | 78 | Expired |
| US6307199A | Compensation of errors in logging-while-drilling density measurements | Physics | 57 | Expired |
| US5813196A | Automatic sequential bagging machine with constant feed and method of operation | Performing Operations; Transporting | 51 | Expired |
| US6464021B1 | Equi-pressure geosteering | Fixed Constructions | 30 | Expired |
| US7741841B2 | Time-lapsed diffusivity logging for monitoring enhanced oil recovery | Physics | 30 | Active |
| US8146416B2 | Methods and apparatus to perform stress testing of geological formations | Fixed Constructions | 29 | Active |
| US6788263B2 | Replaceable antennas for subsurface monitoring apparatus | Fixed Constructions | 24 | Expired |
| US8499843B2 | System and method to seal using a swellable material | Fixed Constructions | 22 | Active |
| US6725162B2 | Method for determining wellbore diameter by processing multiple sensor measurements | Fixed Constructions | 15 | Expired |
| US8011438B2 | Downhole flow control with selective permeability | Fixed Constructions | 14 | Active |
| US6065218A | Method and apparatus for logging non-circular boreholes | Fixed Constructions | 14 | Expired |
| US7464755B2 | Methods and systems for sampling heavy oil reservoirs | Fixed Constructions | 9 | Active |
| US7510011B2 | Well servicing methods and systems employing a triggerable filter medium sealing composition | Fixed Constructions | 8 | Active |
| US8397817B2 | Methods for downhole sampling of tight formations | Fixed Constructions | 8 | Active |
| US7432499B2 | Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation | Fixed Constructions | 7 | Expired |
| US7067621B2 | Multifunctional context-activated protides and methods of use | Chemistry; Metallurgy | 7 | Expired |
| US8541008B2 | Pharmaceutical compositions and methods to vaccinate against candidiasis | Human Necessities | 6 | Expired |
| US7067138B1 | Pharmaceutical compositions and methods to vaccinate against disseminated candidiasis | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7380597B2 | Deployment of underground sensors | Fixed Constructions | 5 | Expired |
| US8709446B2 | HYR1 as a target for active and passive immunization against Candida | Chemistry; Metallurgy | 3 | Active |
| US8408296B2 | Methods for borehole measurements of fracturing pressures | Fixed Constructions | 3 | Active |
| US8790662B2 | Methods for treating refractory infections in neutropenic individuals | Chemistry; Metallurgy | 3 | Active |
| US8592375B2 | Multifunctional context-activated protides and methods of use | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.