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LANZHOU LS HEAVY EQUIPMENT CORP LTD

Overview
  • Total Patents
    106
  • GoodIP Patent Rank
    13,710
  • Filing trend
    ⇧ 51.0%
About

LANZHOU LS HEAVY EQUIPMENT CORP LTD has a total of 106 patent applications. It increased the IP activity by 51.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and materials and metallurgy are TIANJIN AEROSPACE CHANGZHENG ROCKET MFG CO LTD, WUHAN YIYE STEEL STRUCTURE CO and HARBIN ELECTRIC CORP (QINHUANGDAO) HEAVY EQUIPMENT CO LTD.

Patent filings in countries

World map showing LANZHOU LS HEAVY EQUIPMENT CORP LTDs patent filings in countries
# Country Total Patents
#1 China 106

Patent filings per year

Chart showing LANZHOU LS HEAVY EQUIPMENT CORP LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jianxiao 28
#2 Liu Xianjun 26
#3 Wang Zhigang 24
#4 Yao Jinshan 24
#5 Du Jintao 23
#6 Pan Jing 22
#7 Ma Donghe 20
#8 Zhou Bin 17
#9 Wang Youyin 16
#10 Li Yimin 16

Latest patents

Publication Filing date Title
CN109894636A A kind of method of shape of a saddle pipe connecting flange height in quick determining cone
CN110542611A Equipment pressure test adapter tube and pressure test method
CN110434793A Spacing location adjusting device and its application method between jacketed vessel cylinder
CN108548725A The pressure-measuring method that pressure vessel minor diameter opening is taken over
CN110273059A Large thin-wall container inner wall heat treatment deformation tooling and its application method
CN110227904A Adjust the tooling and its application method of pipe connecting flange unevenness
CN108480824A Heat exchanger tube sheet and heat exchange pipe orifice overlap joint welding method
CN110231150A A kind of pressure-measuring method of pressure container flange and companion flange
CN110230737A Flange sealing surface protection board and its application method
CN110227674A Flange sealing surface leaks blow device and its application method
CN110231211A More heat exchanger tubes while structure for pressure test and its application method
CN110227894A A kind of pressure vessel opening adapter tube nitrogen charging tooling and its application method
CN110145992A A kind of adjustable bow compass and its application method
CN110142562A Eccentric pipe connecting flange anti-deformation tool and its application method
CN110145996A The general template of dome head curvature measurement and its application method
CN110144450A Large-scale container internal wall is heat-treated supporting tool and its application method
CN110125574A The anti-deformation device and application method of the weldering of big diameter multi-layer coil pipe group and transhipment
CN110132107A Single-side right-angle weld seam concave panel detects template and its application method
CN110107753A Pipeline swing adapter fixtures for rapid assembly and its application method
CN110102857A Titanium exchanger tubes and tubesheets hand tungsten argon arc welding face of weld protective device and its application method