Patents/Assignees

SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., Ltd

6 patents in portfolio

US12571391utility2026
High-power Five-cylinder Drilling Pump Set, Solid Control System and Drilling Rig
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US12331784utility2025
Crosshead Part and Crosshead System for Drilling Pumps and the Drilling Pumps
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US12234711utility2025
Hard Pipe Connecting Device and Manifold System Thereof
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US12157097utility2024
Fully Electric-drive Sand-mixing Apparatus, and Automatic Control System for Fully Electric-drive Sand-mixing Apparatus
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US12152448utility2024
Coiled Tubing Operating System and Coiled Tubing Operating Method
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US11603720utility2023
Methods for Tripping a Drilling Rig or a Workover Rig
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