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CCCC SECOND HIGHWAY FOURTH ENG CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    91,506
  • Filing trend
    ⇩ 25.0%
About

CCCC SECOND HIGHWAY FOURTH ENG CO LTD has a total of 18 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machines and computer technology are China railway 23rd bureau group co ltd, GUANGDONG FOUND ENGINEERING GROUP CO LTD and MASSEY CONCRETE PRODUCTS CORP.

Patent filings in countries

World map showing CCCC SECOND HIGHWAY FOURTH ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing CCCC SECOND HIGHWAY FOURTH ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cheng Weifeng 11
#2 Cheng Keda 7
#3 Liu Guangjun 6
#4 Duan Defeng 6
#5 Wang Xiaochuan 5
#6 Liang Bin 5
#7 Liu Hongwei 4
#8 Ruan Minghe 3
#9 Ding Jiaoyue 3
#10 Zhang Yaoyang 3

Latest patents

Publication Filing date Title
CN112095384A Construction method for preventing and treating freezing-thawing instability of roadbed slope in plateau frozen soil area
CN111997062A Method for treating support deviation of steel sheet pile in coastal soft soil deep foundation pit
CN111851466A Lap joint structure of two support systems in soft soil deep foundation pit and construction method
CN111236277A Construction method for reinforcing and treating inclination of anti-slide pile by counterfort structure
CN111319118A Prefabrication construction method of box girder in plateau valley bridge construction
CN111304986A Construction method for treating soft foundation settlement in plateau frozen soil area
CN110282936A A kind of high property spray concrete and mixing method
CN110318787A A kind of unidirectional four lane road tunnel assembled can excavate and steel arch-shelf installs trolley
CN110373982A A kind of construction method administered for tunnel road surface infiltration
CN110067205A A kind of permanent protecting tube embedding construction method of bridge pier column outsourcing
CN108797372A A kind of construction method for deep water shallow overburden steel trestle
CN108914952A A kind of earth-retaining wall construction method with friction pile for landslide control
CN108560428A A kind of assembled steel reinforced binding moulding bed group suitable for different size Precast T-Beams
CN107893383A One kind assembling installing type concrete culvert
CN107363988A The hydraulic internal mold rack rails running gear and traveling method of prefabricated case beam
CN107100645A Shield tunnel curve section section of jurisdiction preassembling selection designing method based on BIM technology
CN107060792A A kind of drilling type experimental rig and method for shield model test
CN106522835A Mobile sliding rail pushing type automatic side slope drilling device