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CHANGAN AUTOMOBILE GROUP

Overview
  • Total Patents
    33
About

CHANGAN AUTOMOBILE GROUP has a total of 33 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets machines, civil engineering and materials and metallurgy are ZENG SHAOWEN, KORYO PYROTECHNICS CO LTD and FIRECOM S R L.

Patent filings in countries

World map showing CHANGAN AUTOMOBILE GROUPs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing CHANGAN AUTOMOBILE GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zaizai Fu 5
#2 Chengyu Gu 5
#3 Chunming Zhu 2
#4 Bo Li 2
#5 Lunying Qu 2
#6 Weilin Peng 2
#7 Dexun Song 2
#8 Zhonglan Yang 2
#9 Honglin Wang 2
#10 Keli Mei 2

Latest patents

Publication Filing date Title
CN101446487A Device for measuring parameters of plum blossom petal-shaped inner chamber of product
CN101413773A Steel plastic combined artificial rain bullet detonator
CN101402191A Large-scale thin-wall wimble barrel disassembling clamper
CN101396697A High strength aluminum alloy quincunx deep blind hole piece extrusion molding technique
CN101428302A Aldural conical thin-wall member workblank extrusion forming process
CN101398376A Method for detecting strontium content in magnesium-strontium intermediate alloy by flame atomic absorption spectrometry
CN101347891A Method for processing cone gage with multiple steepness
CN101347890A Method for processing internally-expanding clamping fixture head
CN101214523A Automatically coiling method for overlength sheath spring
CN101214530A Precision shaping molds separating group processing method
CN101229416A Forest firefighting mortar bomb
CN101168079A Fire-fighting missile for forest
CN101169365A Bench for metal material welding component dynamic loading stress and corrosion experiment
CN101134995A Alloy spring steel ultra-fine martensite heat treatment quenching strengthening technology
CN101134217A Method for preventing cockling and cracking for the thin board deep drawing deep box shaped part or special-shaped part
CN101134992A Fine details slide track type quenching device
CN101138770A Extrusion destabilization prevented extrusion die blank positioning device
CN1995408A Continuous intensification method of 0Cr17Ni7A1 material after timing heat treatment
CN1995911A Method for detecting planeness of large-sized ring-shaped platform
CN101173847A Measurer for measuring distance between off-centering taper hole and periphery of revolution body