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CHEN CHANGZHU

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    155,750
About

CHEN CHANGZHU has a total of 12 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, machine tools and environmental technology are SMART LIFTS LLC, SHANGHAI HONGSHEN SCIENCE & TECHNOLOGY DEV CO LTD and TOSHIBA ELEVATOR TECHNOS CO LT.

Patent filings in countries

World map showing CHEN CHANGZHUs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHEN CHANGZHUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Changzhu 12
#2 Feng Changhui 9
#3 Liu Hanrui 9
#4 Li Kai 9
#5 Liu Gaoqi 9

Latest patents

Publication Filing date Title
CN112207536A Automobile engine crankshaft mounting device
CN112171232A Automatic press fitting device for positioning pin of automobile gearbox shell
CN104803260A Transmission system of intelligent corridor ride-instead-of-walk elevator
CN104803259A Method for additionally mounting building intelligent transportation elevator on existing stairs
CN104649105A Intelligent corridor walking elevator
CN104724579A Intelligent corridor elevator instead of walk
CN104724580A Control system and method for intelligent corridor elevator instead of walk
CN104803258A Intelligent passageway transportation elevator
CN104692216A Intelligent passageway riding-instead-of-walking elevator
CN104724581A Intelligent corridor elevator instead of walk
CN104724578A Intelligent passageway transpiration elevator
CN102878161A Wall-hung board