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.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 12 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machine tools | |
#3 | Chemical engineering | |
#4 | Machines | |
#5 | Transport | |
#6 | Furniture and games | |
#7 | Agriculture |
# | Technology | |
---|---|---|
#1 | Doors and windows | |
#2 | Grinding or polishing devices | |
#3 | Special furniture | |
#4 | Hinges for doors or windows | |
#5 | Accessories for machine tools | |
#6 | Turning | |
#7 | Cleaning | |
#8 | Manufacturing processes | |
#9 | Horticulture | |
#10 | Hand carts |
# | Name | Total Patents |
---|---|---|
#1 | Jiang Qinglin | 12 |
#2 | Jiang Qiangqiang | 12 |
#3 | Jiang Hao | 12 |
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 |