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LING XIANCHANG

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    134,012
About

LING XIANCHANG has a total of 14 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, environmental technology and measurement are HEINTZMANN CORP, CHINA RAILWAY 19 BUREAU GROUP RAIL TRANSIT ENG CO LTD and STATE KEY LABORATORY SHIELD MACHINE & BORING TECH.

Patent filings in countries

World map showing LING XIANCHANGs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing LING XIANCHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ling Xianchang 14
#2 Tang Liang 9
#3 Xu Dingjie 4
#4 Geng Lin 4
#5 Ling Yuze 4
#6 Ling Runze 4
#7 Yang Yingzi 4
#8 Luo Jun 3
#9 Yu Chengyi 2
#10 Zhang Hongwei 2

Latest patents

Publication Filing date Title
CN111472817A Water-stopping and anti-freezing structure for tunnel in high-cold freezing and thawing water-rich environment and construction method
CN110792449A Rapid underground excavation construction method for large-span shallow tunnel
CN109738480A A kind of the frost heave device and its monitoring method of scene comprehensive monitoring soil
CN109765260A Frost heave monomer, detection device and its detection method of flexible non-contact formula detection soil
CN109870477A A kind of the frost heave monomer and its detection method of non-contact detection soil
CN109781773A A kind of frost heave device and its detection method being layered telescopic detection soil
CN106677206A Intelligent supporting structure of expansive soil in seasonally frozen region
CN106644750A Dynamic and static triaxial tester for frozen and thawed soil in open system
CN103981839A Fixing method for repairing old concrete gravity dam with cracks through FRP
CN103982191A Reserved soil column up-down-asynchronous and left-right-synchronous excavation method
CN104234725A Method for preventing tunnel freezing damage of seasonally frozen regions
CN103951360A Metal mineral product exploitation tailing slurry curing agent and its application technology
CN103835267A Method for reinforcing old concrete gravity dam with cracks through FRP sheets
CN1464143A Special clay hardening slurry