Assignee
NANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD
CN·3 granted patents·1 pending application·2 citations·filing 2014–2018
Top patents by PatentIndex Score
4 records- 0163US10648152B2Box-type pipeline with circumferential obtuse angle connectionNANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD·Filed 2016·Granted May 12, 2020·2 cites·10 claims
- 0245US10030792B2Underground steel-concrete structure pipeline with spiral composite reinforcement ring on inner wall and manufacturing method thereofNANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD·Filed 2014·Granted Jul 24, 2018·0 cites·16 claims
- 0343US10145502B2Large-aperture spiral welded steel pipe with metal linings and manufacturing method thereofNANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD·Filed 2014·Granted Dec 4, 2018·0 cites·12 claims
- 0434US2019003144A1Corner Connection Structure of Steel Structure Comprehensive Pipe GalleryNANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD·Filed 2018·Application pending·0 cites
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