Inventor
Kaishen LIU
Inventor
CN
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling28%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines9%
H02HEmergency protective circuit arrangements9%
H05FStatic electricity9%
G08BSignalling systems, e.g. personal calling systems7%
F04BPositive-displacement machines for liquids5%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%
G01RMeasuring electric variables4%
H02JElectric power networks4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
PatentTitleYear
12,497,880Fracturing system and control system and method for the fracturing system202512,442,370Fracturing equipment having multiple electric-power supplies202512,382,568Fracturing well site system202512,338,085Sand storage and conveying apparatus202512,336,081Fracturing well site system202512,259,434Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method202512,187,545Sand conveying apparatus and control method thereof, control device, and storage medium202512,163,510Control method and control device applied to electric fracturing apparatus202412,084,946Monitoring system and method for wellsite equipment202412,044,114Fracturing system and control system and method for the fracturing system202412,021,389Power supply system for electrically driven wellsite facility202411,867,594Evaluation method and evaluation device of health state of well site equipment, and storage medium202411,739,623Fracturing system and control system and method for the fracturing system202311,729,893Fracturing well site system202311,702,920Fracturing control method and fracturing system202311,683,878Fracturing well site system202311,677,238Electric power supply method and electric power supply system202311,662,384Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method202311,596,047Fracturing well site system2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (19)· patent assignee history
2023Patents assigned to YANTAI JEREH PETROLEUM EQUIPMENTS TECH CO LTD (1)· patent assignee history
2023–2025Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD | 19 | 2023–2025 |
| YANTAI JEREH PETROLEUM EQUIPMENTS TECH CO LTD | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 19 | 2023–2025 |