Inventor · disambiguated record
Longhai Wei
Also filed as: WEI LONGHAI
0 granted patents·2 pending applications·0 citations·filing 2025–2025
Files withCCCC SECOND HIGHWAY CONSULTANTS CO LTD2
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2 records- 0145US2025263982A1Tunnel drainage method for laying drainage pipe based on ultra-long distance horizontal directional drillingCCCC SECOND HIGHWAY CONSULTANTS CO LTD·Filed 2025·Application pending·0 cites
- 0244US2025146415A1Prefabricated tunnel prestressed anchor and manufacturing method and use method thereforCCCC SECOND HIGHWAY CONSULTANTS CO LTD·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →