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WEI DUAN

Overview
  • Total Patents
    13
About

WEI DUAN has a total of 13 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are INOE 2000 FILIALA INST DE CERCETĂRI PENTRU HIDRAULICĂ ŞI PNEUMATICĂ, G OBRAZOVATEL NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL NOGO OBRAZOVANIJA UFIM G ATU and SHANGHAI ZHONGCE INDUSTRY & TR.

Patent filings in countries

World map showing WEI DUANs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing WEI DUANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Wei Duan 13
#2 Yongzhi Liu 8
#3 Hongcheng Wu 3

Latest patents

Publication Filing date Title
CN102798111A Overheat steam generation device
CN102785302A Superheated steam plastic recycling device
CN102788382A Hot water heating system of central magnetic pump
CN102715288A Device for frying tea leaves by using overheat steam
CN102715637A Device for baking tobacco leaves by superheated steam
CN102719257A Device for treating food garbage through superheated steam
CN102715628A Device for dewatering vegetable by using superheated steam
CN102700689A Multipurpose water platform
CN102721166A Electromagnetic heating system
CN101785734A Positive pressure repairing cabin for human body antigravity
CN101780002A Anti-gravity repairing health promotion bed
CN101734360A Multipurpose over-water platform
CN101423108A Multi-purpose water platform