Inventor · disambiguated record
Fujun Zhan
Also filed as: ZHAN FUJUN
4 granted patents·4 pending applications·2 citations·filing 2014–2024
57Inventor score
Files withNANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD4NANJING DADE STEEL PIPE CO LTD2NANJING LIANZHONG ENGINEERING TECH CO LTD2
Top patents by PatentIndex Score
8 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
- 0247US11796092B2Double-wall spiral welded pipe and manufacturing method thereofNANJING LIANZHONG ENGINEERING TECH CO LTD·Filed 2022·Granted Oct 24, 2023·0 cites·9 claims
- 0346US2024183467A1Large-diameter thin-wall spiral welded pipe and method for manufacturing sameNANJING DADE STEEL PIPE CO LTD·Filed 2024·Application pending·0 cites
- 0446US2024183466A1Large-diameter spiral welded steel pipe with composite structure wall and method for manufacturing sameNANJING DADE STEEL PIPE CO LTD·Filed 2024·Application pending·0 cites
- 0545US10030792B2Underground 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
- 0643US10145502B2Large-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
- 0734US2019003144A1Corner Connection Structure of Steel Structure Comprehensive Pipe GalleryNANJING LIANZHONG CONSTRUCTION ENGINEERING TECH CO LTD·Filed 2018·Application pending·0 cites
- 0831US2022136540A1Corner connecting structure for box-like pipeline or container of corrugated steel platesNANJING LIANZHONG ENGINEERING TECH CO LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →