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GUOYANG COUNTY HAPPINESS DOOR IND CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    141,173
About

GUOYANG COUNTY HAPPINESS DOOR IND CO LTD has a total of 12 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and chemical engineering are JIANGSU LANZE SHARE CO LTD, THERRIEN GERARD and HUNAN ZHANGUAN BUILDING MAT CO LTD.

Patent filings in countries

World map showing GUOYANG COUNTY HAPPINESS DOOR IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing GUOYANG COUNTY HAPPINESS DOOR IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jiang Qinglin 12
#2 Jiang Qiangqiang 12
#3 Jiang Hao 12

Latest patents

Publication Filing date Title
CN111119684A Guiding and fixing device for metal door and window glass
CN111112187A Glass cleaning device for glass production
CN110950527A Glass cutting device capable of removing burrs
CN111140151A Sealed metal door
CN111069649A Metal door tapping device
CN111119701A Metal door with fireproof and heat-insulating functions
CN111140143A Metal door
CN111058737A Fireproof door easy to open after overheating
CN111086546A Conveyer is used in glass production
CN111069897A Window frame rigging equipment
CN111067308A Metal door display device
CN111075330A Metal door and window base drainage device