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ZHANG ZHENGWEI

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    68,149
  • Filing trend
    ⇧ 700.0%
About

ZHANG ZHENGWEI has a total of 24 patent applications. It increased the IP activity by 700.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, medical technology and environmental technology are HAOYUE AUTOMOBILE SAFETY SYSTEM TECH LIMITED, ELZETT ZAR ES VASALATARUGYAR and KELIN XU.

Patent filings in countries

World map showing ZHANG ZHENGWEIs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing ZHANG ZHENGWEIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Zhengwei 23
#2 Chen Yu 3
#3 Liu Yisi 3
#4 Song Yankui 3
#5 Zhou Bin 3
#6 Ding Yuqin 2
#7 Tian Binghua 1
#8 Yang Li 1
#9 Cao Ran 1
#10 Chen Junliang 1

Latest patents

Publication Filing date Title
CN111803759A Constant temperature heating infusion perfusion treatment pump
CN111803188A Waterless abdominal cavity puncturing technology
CN111648664A Closed-hole type ratchet piece lock core and key
CN111535667A Spring bolt toggle mechanism of closed-cell ratchet piece lock cylinder
CN110566041A Closed hole type wheel sheet lock core and key
CN110566042A Closed-hole type ratchet piece lock core and key
CN110331894A A kind of wheel piece lock core
CN110331895A A kind of wheel piece lock core
CN108951555A With the rubber dam for blocking rubbish
CN108979327A Take turns the lock gall of mortice lock
CN108915372A Dynamic formula wheel mortice lock and key afterwards
CN108952335A Take turns the cryptography architecture of mortice lock
CN108824981A Skeleton reference wheel mortice lock and key
CN108952334A Take turns mortice lock and key
CN108868339A Take turns the skeleton of mortice lock
CN108952327A Take turns the check and correction ring of mortice lock
CN107955438A Insulating water-proof composite coating coating and its construction technology
CN106121375A Wheel sheet rotates check and correction lock core
CN106121374A Wheel sheet rotary comb teeth check and correction lock core
CN106121373A Angle-regulating comb location lock core