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NANJING LIANTONG CONSTRUCTION ENG TECH CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    88,237
  • Filing trend
    ⇩ 100.0%
About

NANJING LIANTONG CONSTRUCTION ENG TECH CO LTD has a total of 19 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and mechanical elements are DONG A GEOLOGICAL ENG CO LTD, SMARTEC ENG CO LTD and GEOTECHNICAL RES & DEV CO LTD.

Patent filings in countries

World map showing NANJING LIANTONG CONSTRUCTION ENG TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing NANJING LIANTONG CONSTRUCTION ENG TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhan Fujun 19
#2 Sheng Fuqiang 4

Latest patents

Publication Filing date Title
CN106906844A Corrugated steel structure underground pipe gallery base configuration and its construction method
CN106869167A The bowed out box shape steel structure Urban Underground pipe gallery in section
CN106759489A Steel construction cable underground pipe gallery and its construction method
CN106638685A Corner connection structure of steel-structure comprehensive pipe gallery
CN106677214A Underground comprehensive pipe rack with steel structure water collecting pits
CN106436757A Assembled steel structural underground comprehensive pipe gallery provided with branch pipe
CN106522267A Steel feeding bin structure of underground comprehensive pipe gallery
CN106480906A Feed intake storehouse and the attachment structure of standard block tube coupling and the pipe gallery of changes of section
CN106090450A There is the box pipeline that circumferential obtuse angle connects
CN106323753A Pressure measuring method for spiral welded steel pipe with reinforcing ring
CN106013232A Underground box type pipe gallery of steel-concrete mixed type structure and production method thereof
CN105951878A Steel box-type underground comprehensive pipe gallery provided with arched girder structure
CN105926674A High-strength urban underground comprehensive pipe gallery
CN105821903A Synthesized pipe rack with frame composite structure
CN105626098A Combination type tunnel lining, culvert or underground comprehensive pipe gallery
CN105464131A Combined type box-type pipe gallery
CN105401596A Combined arched pipeline
CN105422129A Splicing structure used for combined type tunnel lining, culvert or comprehensive pipe gallery
CN105401595A Urban underground comprehensive steel pipe gallery