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ZHEJIANG ZHIHAI CHEMICAL EQUIPMENT ENG CO LTD

Overview
  • Total Patents
    63
  • GoodIP Patent Rank
    23,312
  • Filing trend
    ⇧ 800.0%
About

ZHEJIANG ZHIHAI CHEMICAL EQUIPMENT ENG CO LTD has a total of 63 patent applications. It increased the IP activity by 800.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, thermal processes and mechanical elements are AUTOGEN GASACCUMULATOR KRUEKL, PROSSER NEIL M and HANGZHOU ZHONGTAI CRYOGENIC TECH CORPORATION.

Patent filings in countries

World map showing ZHEJIANG ZHIHAI CHEMICAL EQUIPMENT ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 63

Patent filings per year

Chart showing ZHEJIANG ZHIHAI CHEMICAL EQUIPMENT ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hou Xingang 19
#2 Zhang Yuzhe 14
#3 Wei Ting 11
#4 Peng Rongmei 10
#5 Xu Xiaoqin 9
#6 Zhang Feiming 8
#7 Lou Xulai 8
#8 Wu Zhengjun 8
#9 Sun Xuyang 8
#10 Sun Bin 8

Latest patents

Publication Filing date Title
CN112254562A Multilayer condensation evaporator oxygen heat exchange unit water conservancy diversion structure
CN112229142A Low-coupling multi-strand composite expansion air separation flow device and method
CN112229143A Device and method for producing oxygen and nitrogen by separating air through cryogenic rectification
CN112161493A Steam heating device
CN112093696A Hook device for storing steel wire rope and sling materials in manufacturing workshop
CN111271940A Novel oxygen-enriched production method
CN110645770A Liquid argon cold energy recovery method
CN110645769A Nitrous oxide low-temperature recovery method
CN110487023A A method of liquid nitrogen is produced using LNG cold energy
CN110453717A A kind of air separation cooling box structural column leg structure and its installation method
CN110253169A A kind of New Large Caliber steel aluminium joint welding method
CN110260594A A kind of product nitrogen gas process units and its method
CN109084528A A kind of cryogenic air separation unit system of newly-increased nitrogen tower processed
CN108921344A It is a kind of with ideality method to the optimum design method of self-cleaning air filter resistance
CN108958218A A kind of functional module preventing Temperature jump for control system
CN108580988A A kind of edge milling machines on plate milling side
CN108759161A A kind of single-effect lithiumbromide refrigerator for air separation unit
CN109028642A A kind of single-effect lithiumbromide refrigerator for air separation unit
CN108775771A It is exhaust heat stepped between a kind of compressor stage to utilize system and method
CN108757586A The online impeller cleaning system and method for centrifugal air compressor in a kind of air separation unit