Inventor
Zhengxin ZHANG
Inventor
US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling28%
G06FElectric digital data processing24%
G09GArrangements or circuits for control of indicating devices using static means to present variable information8%
F16JPistons4%
F16KValves4%
G01VGeophysics4%
G05BControl or regulating systems in general4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
G11CStatic stores4%
H01LSemiconductor devices4%
PatentTitleYear
12,595,727Automatic interpretation of drilling dynamics data202612,590,525Drilling framework202612,462,768Gate driving circuit having first suppression module, display panel, driving method and display device202512,436,518Method, device, equipment, and storage medium for aircraft tooling modification202512,241,322Systems and methods for determining wear of downhole tools202512,142,172Driving method for display panel, and display apparatus202411,821,299Automatic interpretation of drilling dynamics data202311,640,012Virtual high-density well survey202311,525,318Motor bypass valve202211,480,049Drilling mode sequence control202211,157,112Display panel, display device and manufacturing method of display panel2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to BEIJING BOE OPTOELECTRONICS TECH CO LTD (3)· patent assignee history
2021–2025Patents assigned to BOE TECHNOLOGY GROUP CO LTD (3)· patent assignee history
2021–2025Based in CN· patent location history
2022–2026Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (6)· patent assignee history
2022–2026Based in US· patent location history
2025Patents assigned to BEIJING BOE TECHNOLOGY DEV CO LTD (1)· patent assignee history
2025Patents assigned to CHENGDU AIRCRAFT IND GROUP CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 6 | 2022–2026 |
| BEIJING BOE OPTOELECTRONICS TECH CO LTD | 3 | 2021–2025 |
| BOE TECHNOLOGY GROUP CO LTD | 3 | 2021–2025 |
| BEIJING BOE TECHNOLOGY DEV CO LTD | 1 | 2025 |
| CHENGDU AIRCRAFT IND GROUP CO LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 7 | 2022–2026 |
| CN | 4 | 2021–2025 |