Inventor
Mao YUAN
Inventor
SA
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Dprimary
G01DMeasuring not specially adapted for a specific variable21%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves21%
G01VGeophysics16%
E21BEarth or rock drilling11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
H04BTransmission11%
G01KMeasuring temperature5%
G01MTesting static or dynamic balance of machines or structures5%
PatentTitleYear
12,481,081Downhole monitoring using few-mode optical fiber based distributed acoustic sensing202512,392,690Automatic sample preparation device for sampling filter membranes of ambient air particulate matter202512,019,200Downhole monitoring using few-mode optical fiber based distributed acoustic sensing202411,698,288Signal to noise ratio management202311,624,681Overcoming OTDR dead zones using a few-mode fiber202311,209,307Hybrid distributed acoustic testing2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to SAUDI ARABIAN OIL CO (5)· patent assignee history
2021–2025Patents assigned to UNIV KING ABDULLAH SCI & TECH (5)· patent assignee history
2021–2025Based in SA· patent location history
2025Patents assigned to CHINA NAT ENVIRONMENTAL MONITORING CENTER (1)· patent assignee history
2025Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAUDI ARABIAN OIL CO | 5 | 2021–2025 |
| UNIV KING ABDULLAH SCI & TECH | 5 | 2021–2025 |
| CHINA NAT ENVIRONMENTAL MONITORING CENTER | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| SA | 5 | 2021–2025 |
| CN | 1 | 2025 |