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ZHENHAI PETROCHEMICAL JIANAN ENG CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    74,197
  • Filing trend
    ⇧ 200.0%
About

ZHENHAI PETROCHEMICAL JIANAN ENG CO LTD has a total of 38 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 2010. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets thermal processes, basic materials chemistry and chemical engineering are POBEGALOV SERGEJ ALEKSANDROVIC, SAKAE SANGYO KK and REHBERG PETER.

Patent filings per year

Chart showing ZHENHAI PETROCHEMICAL JIANAN ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Jianliang 30
#2 Hu Xingmiao 26
#3 Liu Lijiang 18
#4 Zhang Xian An 14
#5 Li Junjie 12
#6 Ma Huili 9
#7 Wang Yu 9
#8 Zhang Xian'An 9
#9 Zhang Xianan 8
#10 Tao Jiang 7

Latest patents

Publication Filing date Title
CN112254552A Heat exchange system and heat exchange process for aluminum oxide smelting
CN110849189A Tube plate forming method in capillary tube shell-and-tube heat exchanger
CN110420608A A kind of depolymerization system with wrap-round tubular heat exchanger
CN110373222A A kind of Atmospheric vacuum heat-exchange system and heat-exchanging process with wrap-round tubular heat exchanger
CN109999619A A kind of wrap-round tubular heat exchanger absorbed for gas
CN108160006A Dehydrogenating propane device and dehydrogenating propane method
CN108334132A A kind of multiunit automatic temp controller and method
CN108384941A A kind of the electric heating temperature device and its application method of power adjustable
CN107062951A A kind of heat exchanger group
CN104964583A Normal pressure tower top oil-gas heat exchanging device and heat exchanging method
CN104730090A Online real-time X-ray detection system for welded tubes
CN104691098A Pipe-manufacturing online marker
CN104567518A Redistribution device structure of heat exchanger
CN104444563A Pipe coiler
CN104479735A Heat exchange system and process of atmospheric and vacuum distillation unit
CN104359335A Novel multi-strand flow heat exchanger
CN103756718A Method for online clearing scale from gasoline fractionating tower of ethylene device
WO2014067223A1 Heat exchanger structure
CN103114190A Continuous bright solution thermal treatment device for stainless steel welded tube
CN102914211A Gas-liquid distributor mounted at inlet of heat exchanger