Inventor
QIUHUA LIU
Inventor
US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling38%
G01VGeophysics14%
G06FElectric digital data processing14%
G06NComputing arrangements based on specific computational models14%
G06TImage data processing or generation, in general14%
C25DProcesses for the electrolytic or electrophoretic production of coatings3%
G05BControl or regulating systems in general3%
PatentTitleYear
12,584,403Systems and methods for determining downlinks for transmitting to a downhole tool202612,560,073Systems and methods for determining downhole tool status202612,560,074Systems and methods for determining downhole tool status202612,534,994Drilling control202612,522,938Rare earth-based electrolytic coloring method, electrolyte, and alloy product202612,443,166Multi-domain planning controller for drilling operations202512,252,975Drilling control202512,078,048Field operations system with filter202411,828,155Drilling control202311,674,375Field operations system with filter202311,603,749Field operations system202311,591,894Field operations system with particle filter2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2026Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (11)· patent assignee history
2023–2026Based in US· patent location history
2026Patents assigned to SHENZHEN XIN MAO XIN IND CO LTD (1)· patent assignee history
2026Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 11 | 2023–2026 |
| SHENZHEN XIN MAO XIN IND CO LTD | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 11 | 2023–2026 |
| CN | 1 | 2026 |