Assignee
SICHUAN HONGHUA PET EQUIPMENT
CN·9 granted patents·3 pending applications·4 citations·filing 2012–2023
Top patents by PatentIndex Score
12 records- 0187US11286731B1Pipe racking systemSICHUAN HONGHUA PET EQUIPMENT·Filed 2021·Granted Mar 29, 2022·4 cites·20 claims
- 0266US12331784B2Crosshead part and crosshead system for drilling pumps and the drilling pumpsSICHUAN HONGHUA PET EQUIPMENT·Filed 2023·Granted Jun 17, 2025·0 cites·15 claims
- 0353US12571391B2High-power five-cylinder drilling pump set, solid control system and drilling rigSICHUAN HONGHUA PET EQUIPMENT·Filed 2022·Granted Mar 10, 2026·0 cites·25 claims
- 0446US11299942B1Drilling machines and methods thereofSICHUAN HONGHUA PET EQUIPMENT·Filed 2021·Granted Apr 12, 2022·0 cites·16 claims
- 0540US12157097B2Fully electric-drive sand-mixing apparatus, and automatic control system for fully electric-drive sand-mixing apparatusSICHUAN HONGHUA PET EQUIPMENT·Filed 2020·Granted Dec 3, 2024·0 cites·15 claims
- 0640US2024183344A1Efficient five-cylinder drilling pump system, solids control system and drilling rigSICHUAN HONGHUA PET EQUIPMENT·Filed 2022·Application pending·0 cites
- 0737US12152448B2Coiled tubing operating system and coiled tubing operating methodSICHUAN HONGHUA PET EQUIPMENT·Filed 2022·Granted Nov 26, 2024·0 cites·15 claims
- 0836US2023175376A1Electric fracturing operation systemSICHUAN HONGHUA PET EQUIPMENT·Filed 2021·Application pending·0 cites
- 0933US12234711B2Hard pipe connecting device and manifold system thereofSICHUAN HONGHUA PET EQUIPMENT·Filed 2022·Granted Feb 25, 2025·0 cites·20 claims
- 1033US11603720B2Methods for tripping a drilling rig or a workover rigSICHUAN HONGHUA PET EQUIPMENT·Filed 2021·Granted Mar 14, 2023·0 cites·10 claims
- 1133US2015078924A1Fracturing PumpSICHUAN HONGHUA PET EQUIPMENT·Filed 2012·Application pending·0 cites
- 1230US11028651B2Drilling rigSICHUAN HONGHUA PET EQUIPMENT·Filed 2017·Granted Jun 8, 2021·0 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →