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WANG HAIJIANG

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    101,127
About

WANG HAIJIANG has a total of 21 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machines and civil engineering are CERTECH, KOBE RIKAGAKU KOGYO KK and OKAZAKI MINERALS REFINING.

Patent filings in countries

World map showing WANG HAIJIANGs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing WANG HAIJIANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Haijiang 19
#2 Tang Shenglai 6
#3 Wang Yunlong 2
#4 Haijiang Wan 1
#5 Tonggang Li 1
#6 Zou Nianbu 1
#7 Wang Haijiang Wang 1
#8 Muo Xiao 1

Latest patents

Publication Filing date Title
CN110919818A Low-temperature forming method for semi-solid slurry for producing casting head system
CN111214896A Forming method for producing molten metal filter
CN110899618A Casting process method for improving appearance of casting sand grains and improving strength of sand mold
CN110860650A Extrusion forming process method of sand mould or shell for casting
CN110860648A Casting process method for improving appearance of casting sand grains and improving strength of sand mold
CN110467419A A kind of semi solid slurry forming method based on land plaster
CN110590307A Brick-shaped shell forming method for producing electric melting bricks
CN110526616A One kind is based on the certainly hard molding casting mold processing method of gypsum sand
CN110421694A A kind of molding engineering ceramics manufacturing technique method of liquid pouring
CN110480799A A kind of mud for producing fused cast refractories/slurry molding production process
CN110216246A A kind of mud shape casting technique for metal casting
CN109302672A A kind of novel to maintain equipment of municipal road construction
CN109267528A A kind of novel to maintain equipment of municipal road construction
CN106585093A Smart watch trademark efficient engraving device
CN106613798A New energy household floriculture equipment
CN106553116A A kind of pilotless automobile efficient burnishing device of component surface
CN106594461A Waterproof base used for automatically operating and maintaining important equipment of machine room
CN102633969A Thermosetting environment-friendly phenolic resin and manufacturing method thereof
CN102634309A Acid-cured environment-friendly binder and preparation method thereof
CN1948589A New design of computer embroidering machine embroidered piece device