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SHANGHAI HUGONG ELECTRIC WELDING MACHINE MFG CO LTD

Overview
  • Total Patents
    49
About

SHANGHAI HUGONG ELECTRIC WELDING MACHINE MFG CO LTD has a total of 49 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are LIJUAN MA, FEDERAL NOE G BJUDZHETNOE OBRAZOVATEL NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL NOGO OBRAZOVANIJA TOM G and HAIAN QIRUI ELECTRONICS CO LTD.

Patent filings in countries

World map showing SHANGHAI HUGONG ELECTRIC WELDING MACHINE MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 49

Patent filings per year

Chart showing SHANGHAI HUGONG ELECTRIC WELDING MACHINE MFG CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Shu Jun 6
#2 Zhenyu Shu 6
#3 Lifang Yu 6
#4 Qianbo Yu 4
#5 Xuexin Li 3
#6 Wenhua Cheng 3
#7 Gongju Li 3
#8 Yuetang Pan 3
#9 Huan Xu 3
#10 Dingbin Yu 3

Latest patents

Publication Filing date Title
CN101853736A Novel technology for assembling transformers
CN101850455A Inverse direct-current arc welding machine for welding copper welding rods
CN101850465A Water cooling system of large power inverted gas protective welder
CN101934416A Direct-current arc welding machine
CN101934405A Brazing method
CN101934425A Hydraulic control system of friction welding machine
CN101934317A Method and device for controlling laser tailor-welded blank
CN101879647A Arc initiating device and method for electric welder
CN101882882A Inverter device and control method thereof
CN101879106A Protective face shield of ordinary AC welding machine
CN101879648A Energy saver of alternating current welding machine
CN101879644A Semi-automatic multifunction electric welding machine
CN101478138A Overcurrent protection circuit and method
CN101474704A Energy-saving wireless remote control arc welding apparatus
CN101474705A Inverter energy-saving electric shock-proof submerged arc welding machine
CN101480747A Double-wire bonding control method based on CAN bus
CN101480748A Digital energy-storage welding power supply control method based on DSP
CN101480749A Total digital control method for inverter-controlled arc welding power supply with pulsed variable polarity output
CN101477352A Automatic regulation method of numerical control plasma cutting gun
CN101480754A Capacitance energy storage type inversion spot welding method