Assignee
CCTEG CHONGQING RES INSTITUTE CO LTD
CN·5 granted patents·0 citations·filing 2023–2024
Top patents by PatentIndex Score
5 records- 0147US12584356B2Power head of directional drillCCTEG CHONGQING RES INSTITUTE CO LTD·Filed 2024·Granted Mar 24, 2026·0 cites·17 claims
- 0244US12509943B2Combined drilling system with double rotary driving devices and control method thereforCCTEG CHONGQING RES INSTITUTE CO LTD·Filed 2023·Granted Dec 30, 2025·0 cites·10 claims
- 0343US12523101B2Rotation angle control and braking device for power head of directional drillCCTEG CHONGQING RES INSTITUTE CO LTD·Filed 2024·Granted Jan 13, 2026·0 cites·9 claims
- 0441US12560028B2Coal mine automatic directional drillCCTEG CHONGQING RES INSTITUTE CO LTD·Filed 2023·Granted Feb 24, 2026·0 cites·10 claims
- 0535US12590493B2High pressure water jet automatic drilling and cutting collaborative system and method for coal seamsCCTEG CHONGQING RES INSTITUTE CO LTD·Filed 2023·Granted Mar 31, 2026·0 cites·10 claims
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