Inventor
Huaizhi ZHANG
Inventor
CN
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling33%
F04BPositive-displacement machines for liquids33%
H02KDynamo-electric machines17%
G06KGraphical data reading6%
H04BTransmission6%
H04WWireless communication networks6%
PatentTitleYear
12,326,074Fracturing apparatus and control method thereof, fracturing system202512,281,648Fracturing equipment202512,180,819Fracturing apparatus and control method thereof, fracturing system202411,746,636Fracturing apparatus and control method thereof, fracturing system202311,680,474Fracturing apparatus and control method thereof, fracturing system202311,592,020Fracturing equipment202311,328,135Radio frequency identification system, method for constructing relay network, reader, and repeater2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2022–2025Based in CN· patent location history
2023–2025Patents assigned to YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD | 6 | 2023–2025 |
| HUAWEI TECH CO LTD | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 7 | 2022–2025 |