Assignee
CHINA RAILWAY ELEVENTH BUREAU GROUP CO LTD
CN·2 granted patents·0 citations·filing 2023–2024
Top patents by PatentIndex Score
2 records- 0150US12366679B2Method and device for identifying full-section excavation parameters of large-section tunnel with broken surrounding rockCHINA RAILWAY ELEVENTH BUREAU GROUP CO LTD·Filed 2024·Granted Jul 22, 2025·0 cites·10 claims
- 0246US11920472B2Reasonable millisecond time control method for excavation blasting of tunnelCHINA RAILWAY ELEVENTH BUREAU GROUP CO LTD·Filed 2023·Granted Mar 5, 2024·0 cites·8 claims
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