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HANGZHOU KAIERDA ELECTRIC WELDING MACHINE CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    164,765
  • Filing trend
    ⇩ 100.0%
About

HANGZHOU KAIERDA ELECTRIC WELDING MACHINE CO LTD has a total of 19 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets machine tools, electrical machinery and energy and materials and metallurgy are DANYANG PREC ALLOY FACTORY CO LTD, ANHUI REMFG ENGINEERING DESIGN CT CO LTD and HYUNDAI WELDING CO LTD.

Patent filings in countries

World map showing HANGZHOU KAIERDA ELECTRIC WELDING MACHINE CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing HANGZHOU KAIERDA ELECTRIC WELDING MACHINE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hou Runshi 9
#2 Wu Yongjian 8
#3 Hua Chu 6
#4 Lan Zhaodan 6
#5 Runshi Hou 6
#6 Wang Guanghui 5
#7 Guanghui Wang 5
#8 Wang Qingqing 4
#9 Xiuquan Wei 3
#10 Yongjian Wu 3

Latest patents

Publication Filing date Title
CN111001901A Short-circuit type AC welding control circuit and welding power supply
CN111001897A Welding auxiliary circuit and welding power supply
CN111001902A Welding control circuit and alternating current welding power supply
CN108085564A A kind of memorial alloy of field drives deformation and preparation method thereof
CN107860964A Three-phase electricity based on crest voltage detection is over-pressed, under-voltage, phase shortage warning circuit
CN107953018A Realize the identification circuit that plasma cutting machine main arc is switched fast with transferred arc
CN106655925A Speed control method for DC motor
CN104538159A Magnetic biasing resisting device of inverter welding machine and magnetic biasing resisting transformer
CN104539157A Slope compensation control method and circuit for inverted welding power source with peak current control mode
CN104625333A Novel DC/AC arc welding device
CN102554404A Guide arc current circuit for plasma cutting power supply
CN102069267A Universal arc welding robot teaching method regarding cylinder intersection welding seam
CN101905404A Automatic clamping and centering method and device
CN101870032A Molten drop timed and forced short-circuiting transfer control method in large-current CO2 welding process
CN101791735A Method and device for controlling inverse welding machine without output end feedback
CN101738531A Method for detecting output current of inverting welding machine
CN101733520A Push-pull pulsed wire feeding device
CN101733521A Double eccentric wheel type push-pull pulsed wire feeding method and device
CN101474708A Method and system for realizing electric arc wire feeding for arc welding power source