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CHINA HAISUM ENG CO LTD

Overview
  • Total Patents
    64
  • GoodIP Patent Rank
    55,349
  • Filing trend
    ⇩ 100.0%
About

CHINA HAISUM ENG CO LTD has a total of 64 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and chemical engineering are STICHTING WETSUS CT EXCELLENCE SUSTAINABLE WATER TECHNOLOGY, STICHTING WETSUS EUROPEAN CENTRE OF EXCELLENCE FOR SUSTAINABLE WATER TECH and GEBZE TEKNIK UENIVERSITESI.

Patent filings in countries

World map showing CHINA HAISUM ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 64

Patent filings per year

Chart showing CHINA HAISUM ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Liqun 39
#2 He Lei 23
#3 Liu Pan 15
#4 Yang Jiao 10
#5 Liqun Wu 8
#6 Chi Tingyu 6
#7 Pan Liu 6
#8 Huang Defei 6
#9 Zhu Wangping 5
#10 Yu Guoqiang 5

Latest patents

Publication Filing date Title
CN111996832A Tobacco flake base paper capable of being heated and not combusted and preparation method thereof
CN111939767A Flat-plate denitrification film for wastewater treatment and preparation method thereof
CN111760470A Membrane transfer coating MBR (membrane bioreactor) membrane and preparation method thereof
CN111362511A Distributed rural domestic sewage high-efficiency denitrification and carbon removal integrated device
CN110862182A Landfill leachate treatment device and method
CN110862151A Waste water denitrification device based on microorganism carrier gel
CN110496409A A kind of tobacco extract microwave heating concentrating apparatus and method
CN110485191A Wet process is manufactured paper with pulp gas diffusing layer of fuel cell electrode carbon fiber paper and preparation method thereof
CN110272894A A kind of microbe carrier and preparation method thereof of built-in sponge shape porous structure
CN110107126A More high level logistics warehouse modular layout's systems and its application in total figure arrangement
CN109974264A A kind of variable area spout and its control method
CN109793257A A kind of electronic cigarette reconstituted tobacoo and preparation method thereof
CN108164258A Landfill leachate short-cut denitrification decarbonizing technology based on biological stephanoporate ceramic microsphere
CN108031309A A kind of MBR plate membranes of composite electrostatic spinning filter layer and preparation method thereof
CN106430523A Deep ozone treatment device and treatment method for organic wastewater biochemical effluent
CN105565598A Method for comprehensively treating and utilizing cassava vinasse waste water and industrial sludge
CN105363335A Limestone-sodium alkali process sulfur-containing flue gas desulfurization device and method
CN105167155A Production method and device for tobacco sheets
CN105124751A Method for improving physical property of fennel stem sheet substrate through pulping enzyme treatment
CN104608433A Antibacterial deodorizing textile and production device and method thereof