Inventor
SHENG CHANG
Inventor
CN
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling26%
F04BPositive-displacement machines for liquids20%
F02CGas-turbine plants8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants7%
F01DNon-positive displacement machines or engines, e.g. steam turbines6%
F16HGearing4%
H01BCables4%
B62DMotor vehicles2%
F01MLubricating of machines or engines in general2%
H02KDynamo-electric machines2%
PatentTitleYear
12,560,064Semi-trailer-loaded turbine fracturing equipment202612,553,515Lubrication system for continuous high-power turbine fracturing equipment202612,540,575Hydraulic fracturing system for driving a plunger pump with a turbine engine and noise reduction thereof202612,460,631Fracturing apparatus202512,442,370Fracturing equipment having multiple electric-power supplies202512,410,695Turbine fracturing equipment202512,405,436Electrically conductive fiber optic slickline for coiled tubing operations202512,331,626Fracturing device driven by a variable-frequency adjustable-speed integrated machine and a well site layout202512,326,074Fracturing apparatus and control method thereof, fracturing system202512,313,059Variable-speed integrated machine and wellsite apparatus202512,281,648Fracturing equipment202512,276,201Turbine cleaning system202512,247,472Fracturing apparatus202512,180,819Fracturing apparatus and control method thereof, fracturing system202412,163,394Reduced torque wireline cable202412,134,963Fracturing apparatus and fracturing system202412,091,953Hydraulic fracturing system for driving a plunger pump with a turbine engine202412,092,097Fracturing apparatus and vibration reduction method thereof202412,078,093Turbine fracturing equipment202412,071,840Electrically-driven fracturing well site system202412,065,916Hydraulic fracturing system for driving a plunger pump with a turbine engine2024D1038178Mobile fracturing equipment202412,006,925Fracturing apparatus202412,006,806Fracturing apparatus and fracturing system202412,000,253Fracturing apparatus and fracturing system202411,982,169Fracturing device driven by a variable-frequency adjustable-speed integrated machine and a well site layout202411,952,999Plunger pump base and plunger pump device202411,887,287Production monitoring and analysis method based on an image data algorithm202411,859,481Fracturing apparatus202411,828,277Turbine-driven fracturing system on semi-trailer202311,815,087Automatic system and method for disassembly and assembly of plunger pumps202311,788,519Turbine fracturing equipment202311,746,636Fracturing apparatus and control method thereof, fracturing system202311,680,474Fracturing apparatus and control method thereof, fracturing system202311,668,289Fracturing apparatus202311,603,797Compartment unit for turbine engine202311,592,020Fracturing equipment202311,575,249Cable laying device202311,557,887Cable laying device202311,519,395Turbine-driven fracturing system on semi-trailer202211,499,405Hydraulic fracturing system for driving a plunger pump with a turbine engine202211,441,483Soundproof cabin of turbine engine202211,387,014Torque-balanced, gas-sealed wireline cables202211,315,706Downhole cable and method of making a downhole cable202211,268,329Electrically conductive fiber optic slickline for coiled tubing operations202211,242,737Turbine fracturing equipment202211,158,442Manufacturing techniques for a jacketed metal line2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (6)· patent assignee history
2021–2025Based in US· patent location history
2022–2026Patents assigned to YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (40)· patent assignee history
2022Patents assigned to YANTAI JEREH PETROLEUM EQUIPMENT AND TECH CO LTD (1)· patent assignee history
2022–2026Based in CN· patent location history
2024Patents assigned to CHANGSHU INST TECH (1)· patent assignee history
2024Patents assigned to PENGCHEN NEW MATERIAL TECH CO LTD (1)· 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 | 40 | 2022–2026 |
| SCHLUMBERGER TECHNOLOGY CORP | 6 | 2021–2025 |
| CHANGSHU INST TECH | 1 | 2024 |
| PENGCHEN NEW MATERIAL TECH CO LTD | 1 | 2024 |
| YANTAI JEREH PETROLEUM EQUIPMENT AND TECH CO LTD | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 41 | 2022–2026 |
| US | 6 | 2021–2025 |