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UNIV CHANG AN

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    222,504
About

UNIV CHANG AN has a total of 21 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China, Luxembourg and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering and materials and metallurgy are DIMILLO TONY, SEAN INC and CHINA RAILWAY ERJU SECOND ENG CO LTD.

Patent filings in countries

World map showing UNIV CHANG ANs patent filings in countries

Patent filings per year

Chart showing UNIV CHANG ANs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zhao Tieshuan 2
#2 Chen Shuanfa Zheng 2
#3 Xiaoping Jian 2
#4 Haisong Liu 1
#5 Liu Weiwei 1
#6 Xie Yongli Zhang 1
#7 Liu Baojian Xie 1
#8 Jianhua Wang 1
#9 Xueling Wang 1
#10 Weigang Zhang 1

Latest patents

Publication Filing date Title
LU93167A2 Adjustable slope erosion test car
CN101029920A Concentration/distribution formula accumulator of electric car group system for inspecting operation parameter
CN1851429A Steel twisted line tension test sensor
CN1851689A Similar waveform based digital signal end data continuation method
CN1821491A Wag-resisting concrete bridge surface paving method
CN1776095A Compaction-free lean concrete base material and its construction process
CN1776096A Compaction-free porous concrete base material and its construction process
CN1757834A Hydraulic moving driving device of land levelling machine
CN1757830A Four-wheel hydraulic driving device of milling planing machine
CN1746432A Soil curing agent of road
CN1687527A Balanceable percussive road roller
CN1710202A Self-propelled balance-impact road roller
CN1609613A Method for determining lime dosage in long-life limy stabilized soil
CN1587892A Plane strain measurement sensor
CN1587550A Soil pressure regulating method for high fill upper body rigid structures
CN1579923A Electric-manual two-purpose jack
CN1580425A Road-bridge changeover portion subgrade settlement test platform
CN1563911A Constant presssure marsh gas measurer in testing anaerobic digestion
CN1554806A Micro arc oxidation treating process for aluminium alloy cylinder inner surface
CN1455050A Highway bridge abutment wedge flexible attachment strap