Learn more

SHANDONG HAIHUA GROUP CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    212,300
About

SHANDONG HAIHUA GROUP CO LTD has a total of 13 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and materials and metallurgy are KP2M LTD, BOYING XIAMEN SCI & TECH CO and BGT INTERNATIONAL ENVIRONMENT TECH CO LTD.

Patent filings in countries

World map showing SHANDONG HAIHUA GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing SHANDONG HAIHUA GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yuqiang Pan 3
#2 Chi Qingfeng 3
#3 Jiahai He 3
#4 Liu Jianlu 3
#5 Rongzhen Zhu 2
#6 Lei Ning 2
#7 Chen Yanxiang 2
#8 Zhu Rongzhen 2
#9 Jinlong Liang 2
#10 Dong Guoliang 2

Latest patents

Publication Filing date Title
CN111423018A Efficient seawater desalination method by membrane method
CN111039451A Method for reducing salt water turbidity by air floatation method
CN109607577A A kind of method that zeolite process bittern extracts potassium nitrate
CN102952101A Process for producing epoxypropane by adopting caustic soda saponification method
CN102951769A Method for recycling saponification wastewater generated in process of producing epoxypropane by adopting caustic soda saponification method
CN102531827A Method for preparing dichloroethane through direct chlorination by using dry gas
CN101780464A Method for removing ammoniasoda process calcined soda waste residue chloride ion
CN101671039A Method for comprehensively recycling salt-manufacturing waste liquor
CN101671061A Pretreatment method of refinery waste water
CN1669922A Preparation method of precipitated silicon dioxide
CN1558173A Fluidized bed calcining and drying furnace
CN1429655A New process for fume desulfurization
CN1429769A Method of preparing white magnesium chloride by reduction method