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HARBIN ELECTRIC CORP QHD HEAVY EQUIPMENT CORP LTD

Overview
  • Total Patents
    74
  • GoodIP Patent Rank
    19,559
  • Filing trend
    ⇧ 433.0%
About

HARBIN ELECTRIC CORP QHD HEAVY EQUIPMENT CORP LTD has a total of 74 patent applications. It increased the IP activity by 433.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and mechanical elements are PT I ENERGOMONTAZHPROEKT, GUIZHOU LIYANG AVIATION POWER CO LTD AERO ENGINE CORP OF CHINA and IHI INSPECTION & INSTRUMENTATI.

Patent filings in countries

World map showing HARBIN ELECTRIC CORP QHD HEAVY EQUIPMENT CORP LTDs patent filings in countries
# Country Total Patents
#1 China 74

Patent filings per year

Chart showing HARBIN ELECTRIC CORP QHD HEAVY EQUIPMENT CORP LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zuosen 21
#2 Lu Yang 16
#3 Zhang Yufeng 12
#4 Wu Xiliang 12
#5 Xu Jianmei 11
#6 Wang Yongming 10
#7 Liu Peng 10
#8 Pan Haiquan 9
#9 Li Hongwei 9
#10 Bai Haiyong 8

Latest patents

Publication Filing date Title
CN112284204A Device and method for measuring position degree of screw polished rod axis
CN111843060A Manual tapping positioning device and manual tapping method
CN111842936A Automatic welding method for small-diameter pipe and corresponding welding ring processing and clamping device
CN111842951A Clamping device for machining thickness allowance of sleeper thin plate and machining method
CN111761267A Resilience type square tube welding inner side gas protection device
CN111069775A Connecting system and method for heat exchange tube and tube plate
CN111098004A Manual tungsten electrode argon arc welding torch and lane-dividing welding method for narrow space welding bead
CN111069919A High-temperature gas cooled reactor tube plate weld thread machining equipment and machining process
CN111006015A Mechanical sealing device and sealing method for container pipe joint
CN110961853A Tube bundle assembly auxiliary turnover device and turnover method using same
CN111069682A High temperature gas cooled piles demolishs device of nickel base material support section of thick bamboo seizure screw thread
CN110987983A Radiographic inspection process for weld joint of heat exchange tube and tube plate and sensitivity sample thereof
CN110961765A Inner side supporting device for square tube welding and deformation prevention method for square tube welding
CN110986741A Pipe plate deep hole verticality measuring device and measuring method
CN110871300A Dense hole opening method for large-diameter thin-wall sleeve and circular anti-deformation support
CN110739089A glue pouring penetration sealing structure and sealing method
CN110748740A Energy storage air bag connecting pipe sealing device and sealing method
CN110595699A Helium mass spectrum leak detection device and method for pipe
CN110595698A Helium mass spectrometer leak detection device and method for butt weld of pipe and tube
CN110687205A Ultrasonic longitudinal wave reflection method and diffraction time difference method combined detection method and TOFD probe applied to method