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HEFEI CHANGQING MACHINE MFG CO LTD

Overview
  • Total Patents
    216
  • GoodIP Patent Rank
    6,967
  • Filing trend
    0.0%
About

HEFEI CHANGQING MACHINE MFG CO LTD has a total of 216 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and packaging and shipping are TIANJIN CAOSHI BEND PIPE CO LTD, HANS SCHROEDER MASCHB GMBH and SHANGHAI AOLIN CAR FITTINGS CO LTD.

Patent filings in countries

World map showing HEFEI CHANGQING MACHINE MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 216

Patent filings per year

Chart showing HEFEI CHANGQING MACHINE MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Yingju 190
#2 Qiu Yadong 26
#3 Chen Jiyu 2
#4 Zhou Wenjun 2

Latest patents

Publication Filing date Title
CN112171170A Welding tool for machining automobile parts
CN112192121A Welding tool with workpiece fixing function and using method thereof
CN112222264A Stamping die convenient to demold and using method thereof
CN112044631A Even spraying device of car axle
CN112156921A Automobile axle coating equipment and application method thereof
CN112238193A A stamping device for axle processing
CN112171149A Automobile axle welding positioning device
CN112025172A Automobile axle fixing and welding clamp
CN112171145A A balanced suspension for automobile parts welding process
CN112246738A Cleaning device for automobile part stamping die and using method thereof
CN112171326A Multi-angle clamping fixture for automobile part production and use method thereof
CN112139928A Welding seam polishing device for production of automobile welding parts and using method thereof
CN112171146A Electric control clamp for machining automobile welding parts and using method thereof
CN112191048A Welding smoke dust adsorption device for automobile welding and using method thereof
CN112246953A Automobile stamping thin plate trimming device and using method thereof
CN112207107A Smoke purification system for automobile welding workshop and application method thereof
CN112171112A Spark treatment device for automobile part welding processing
CN112238190A Heavy-duty car axle housing shaping and measuring device for stamping and welding
CN112170140A Drying device for automobile paint spraying and using method thereof
CN112264540A Electric control clamp for automobile stamping parts and use method thereof