Inventor
Zengkai Liu
Inventor
CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Nprimary
G06NComputing arrangements based on specific computational models15%
E21BEarth or rock drilling10%
G05BControl or regulating systems in general10%
G06FElectric digital data processing10%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes10%
E21DShafts5%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels5%
G01CMeasuring distances, levels or bearings5%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves5%
G01MTesting static or dynamic balance of machines or structures5%
PatentTitleYear
11,922,335Method and system for evaluating macro resilience of offshore oil well control equipment202411,459,887System for navigation detection and inclination measurement of advanced hydraulic supports202211,346,200Method and system for guaranteeing safety of offshore oil well control equipment202211,243,509Method for assessing safety integrity level of offshore oil well control equipment2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2024Patents assigned to UNIV CHINA PETROLEUM EAST CHINA (3)· patent assignee history
2022Patents assigned to TIANDI SCIENCE & TECH CO LTD (1)· patent assignee history
2022Patents assigned to UNIV SHANDONG SCIENCE & TECH (1)· patent assignee history
2022–2024Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA PETROLEUM EAST CHINA | 3 | 2022–2024 |
| TIANDI SCIENCE & TECH CO LTD | 1 | 2022 |
| UNIV SHANDONG SCIENCE & TECH | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2022–2024 |