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ZHANG DAHUA

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    127,474
  • Filing trend
    ⇩ 16.0%
About

ZHANG DAHUA has a total of 13 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, agriculture and machines are ANHUI YONGSHENGTANG PHARMACEUTICAL CO LTD, ZHENGZHOU LIDIYA MEDICINE TECH CO LTD and CHENGDU GUIHE SCIENCE & TECH CO LTD.

Patent filings in countries

World map showing ZHANG DAHUAs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing ZHANG DAHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Dahua 13
#2 Zhang Lin 3
#3 Zhang Wenqiang 3
#4 Liu Hu 1
#5 Zhang Yanrong 1

Latest patents

Publication Filing date Title
CN108435537A One cultivates peanut swing type screening installation
CN108405298A A kind of agricultural soybean gyratory sifter screening device
CN108337974A A kind of agricultural hand propelled fertilizer apparatus
CN108450087A A kind of agricultural farmland vegetable plot borehole equipment
CN108293381A A kind of agricultural planting soil squash type fertilizing equipment
CN108076912A A kind of agricultural greenhouse is banketed equipment with seedling culture case
CN107126810A It is a kind of to be used for indoor air cleaning unit
CN107029569A A kind of integrated surface trimming mixing arrangement of Chinese medicine
CN107199089A A kind of Chinese medicine crushing grinding device
CN107175765A A kind of self-circulation type concrete mixer
CN107131735A A kind of drying system of pharmaceutical raw material
CN104524417A Medicine for treating recurrent oral ulceration
CN104149607A Hybrid electromagnetic/hydraulic speed reducer of lorry