Zengkai Liu
5Patents
3h-index
30Co-inventors
46Inventor score
Filing activity: Dec 5, 2019 → Dec 31, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10989019B2 | Fully-electrically driven downhole safety valve | Fixed Constructions | 138 | Active |
| US11243509B2 | Method for assessing safety integrity level of offshore oil well control equipment | Emerging Cross-Sectional Technologies | 108 | Active |
| US11346200B2 | Method and system for guaranteeing safety of offshore oil well control equipment | Physics | 97 | Active |
| US11922335B2 | Method and system for evaluating macro resilience of offshore oil well control equipment | Physics | 0 | Active |
| US11459887B2 | System for navigation detection and inclination measurement of advanced hydraulic supports | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.