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ZHEJIANG CHANGHUA AUTO PARTS CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    50,290
  • Filing trend
    ⇩ 33.0%
About

ZHEJIANG CHANGHUA AUTO PARTS CO LTD has a total of 34 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and mechanical elements are CHANGSHU DONY ELECTRONICS CO LTD, ANHUI CHENGFEI INTEGRATION RUIHU AUTOMOBILE MOLD CO LTD and SMITH OLOF AB.

Patent filings in countries

World map showing ZHEJIANG CHANGHUA AUTO PARTS CO LTDs patent filings in countries
# Country Total Patents
#1 China 34

Patent filings per year

Chart showing ZHEJIANG CHANGHUA AUTO PARTS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Changtu 32
#2 Diyu Lu 2
#3 Zhangtu Wang 2
#4 Zhizhong Xu 2
#5 Yong Ma 2

Latest patents

Publication Filing date Title
CN112171035A Automatic spot welding device for efficient upper longitudinal beam support
CN112024759A Efficient U-shaped bolt manufacturing device
CN111531040A Efficient stamping part flexible adjustment shaping die
CN111496453A Efficient stamping workpiece welding jig
CN111468663A High-precision blind rivet nut assembling device
CN109226491A Efficient stamping parts flange apparatus for turning
CN109226492A Efficient stamping parts reinforcing rib apparatus for turning
CN108955446A High-precision stamping parts Simple checking device
CN108955606A Efficient stamping parts detection device
CN108955503A Efficient stamping parts flatness checking device
CN108955457A Efficient stamping parts hole location device for fast detecting
CN107377652A Efficiently strong extrusion cold forming mould
CN107261776A Efficient cracking gas steam removal device
CN107287644A Electrophoresis cleans air blowing water trap
CN107321855A Efficient three ply stress mold
CN107035754A High-accuracy high-efficiency nutplate and forming method
CN107186066A High-accuracy high-efficiency pad chamfer forming device
CN107008815A High-accuracy high-efficiency automobile bolt and eccentric washer riveting set
CN106984713A The shaped device of high-accuracy high-efficiency automobile nut
CN107100925A A kind of efficient fastener flat metallic gasket