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JINAN WORLDWIDE AUTO ACCESSORY LTD

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    128,931
  • Filing trend
    ⇩ 50.0%
About

JINAN WORLDWIDE AUTO ACCESSORY LTD has a total of 27 patent applications. It decreased the IP activity by 50.0%. 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, chemical engineering and measurement are XUZHOU DKEC ELECTRICAL TECHNOLOGY CO LTD, SHENZHEN QUANJIA ELECTROMECHANICAL TECH CO LTD and DROGOBYCHSKOE PK T B V PROMY O.

Patent filings in countries

World map showing JINAN WORLDWIDE AUTO ACCESSORY LTDs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing JINAN WORLDWIDE AUTO ACCESSORY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dong Bing 14
#2 Qu Wenqiang 13
#3 Zhang Jie 13
#4 Chen Xueping 10
#5 Xiao Xuelin 10
#6 Nie Yuanlong 9
#7 Lyu Cuifeng 5
#8 Tao Zixiang 4
#9 Li Songyan 4
#10 Wang Zhongcheng 4

Latest patents

Publication Filing date Title
CN111238415A Automatic detection equipment for valve coaxiality
CN111302048A Valve vacuum conveying system
CN110977625A Method for improving wear resistance of conical surface of valve disc and reducing surface roughness
CN110293379A A kind of processing method of martensite steel inlet valve discone antenna surface
CN108103436A A kind of nitrocarburizing method for engine valve and its nitridation salt used
CN107283131A The manufacture method of head hollow valve
CN107350750A The manufacture method of hollow valve
CN105345666A Bi-directional bearing supporting diamond roller dressing device
CN104801512A Surface and inner hole cleaning and drying equipment for hollow valves and using method thereof
CN104174507A Coolant liquid centrifuge for grinding machine
CN104111011A Device for measuring valve cone height, corrected length and conical surface bounce
CN103990944A Method for manufacturing hollow sodium inflating valve with closed disc end
CN103757187A Overlay welding quenching unit for fungiform tappets
CN103521831A Valve flange punching and shearing device
CN103499451A Engine air distribution mechanism abrasion testing device
CN103495934A Equipment for shot-blasting treatment of air valve
CN103498711A Air valve with alloy arranged on plate conical face in bead-weld mode and nitride layer reserved on alloy layer
CN103552048A Inserting plate for valve blanks
CN103433225A Chain type valve cleaning, rust prevention and drying equipment
CN103419115A End part cutter for valve rod