Jeffrey J. Lembcke
55Patents
15h-index
54Co-inventors
87Inventor score
Filing activity: Mar 7, 1988 → Sep 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6281489A | Monitoring of downhole parameters and tools utilizing fiber optics | Physics | 242 | Expired |
| US5749585A | Downhole tool sealing system with cylindrical biasing member with narrow width and wider width openings | Fixed Constructions | 100 | Expired |
| US4796708A | Electrically actuated safety valve for a subterranean well | Fixed Constructions | 90 | Expired |
| US6531694B2 | Wellbores utilizing fiber optic-based sensors and operating devices | Physics | 81 | Expired |
| US6173788A | Wellpacker and a method of running an I-wire or control line past a packer | Fixed Constructions | 79 | Expired |
| US7040390B2 | Wellbores utilizing fiber optic-based sensors and operating devices | Physics | 72 | Expired |
| US6787758B2 | Wellbores utilizing fiber optic-based sensors and operating devices | Physics | 65 | Expired |
| US7201221B2 | Wellbores utilizing fiber optic-based sensors and operating devices | Physics | 57 | Expired |
| US6828547B2 | Wellbores utilizing fiber optic-based sensors and operating devices | Physics | 43 | Expired |
| US5592991A | Method and apparatus of installing a whipstock | Fixed Constructions | 39 | Expired |
| US5893413A | Hydrostatic tool with electrically operated setting mechanism | Fixed Constructions | 35 | Expired |
| US5526884A | Downhole tool release mechanism | Fixed Constructions | 25 | Expired |
| US7870907B2 | Debris protection for sliding sleeve | Fixed Constructions | 22 | Active |
| US7296633B2 | Flow control apparatus for use in a wellbore | Fixed Constructions | 16 | Expired |
| US7455116B2 | Injection valve and method | Fixed Constructions | 15 | Active |
| US7195070B2 | Method and apparatus for downhole artificial lift system protection | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7503389B2 | Method and apparatus for downhole artificial lift system protection | Emerging Cross-Sectional Technologies | 13 | Active |
| US5584488A | Seal | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6158714A | Adjustable orifice valve | Fixed Constructions | 10 | Expired |
| US4811792A | Well tool stabilizer and method | Fixed Constructions | 9 | Expired |
| US5425418A | Multiple-completion packer and locking element therefor | Fixed Constructions | 9 | Expired |
| US8485263B2 | Multi-sleeve plunger for plunger lift system | Fixed Constructions | 8 | Active |
| US9140113B2 | Instrumented rod rotator | Fixed Constructions | 8 | Active |
| US8397802B2 | Swellable packer slip mechanism | Fixed Constructions | 7 | Active |
| US8763706B2 | Self-boosting, non-elastomeric resilient seal for check valve | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.