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LI CHANGHAI

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    164,429
About

LI CHANGHAI has a total of 19 patent applications. Its first patent ever was published in 1998. It filed its patents most often in China, Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, surface technology and coating and materials and metallurgy are COMPOSITES HORIZONS LLC, BAKER CHARLES and SYMONS MICHAEL WINDSOR.

Patent filings in countries

World map showing LI CHANGHAIs patent filings in countries

Patent filings per year

Chart showing LI CHANGHAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Changhai 19
#2 Li Ruoning 8
#3 Huang Meixiang 8
#4 Li Chenghai 2
#5 Yu Maocai 2
#6 Li Yuejin 1
#7 Li Zhenyu 1
#8 Jia Dongmei 1
#9 Sun Liandi 1

Latest patents

Publication Filing date Title
CN110820194A Drum-type printing, dyeing and air-drying integrated device
CN110699884A Atmosphere printing and dyeing device for cloth
CN108979050A A kind of new decorative material
CN104589762A Preparation method of multi-material complex distribution film material
CN104369518A Preparation method of multi-material complexly-distributed film material
CN105751506A Mixed stereo shaping method of multicomponent material
CN103538258A Mixed three-dimensional forming method of multi-component material
CN102544829A Single phase tripolar whole sealing contact-type surface contact plug and socket
CN101712616A Method for separating dimethyl benzene and butyl acetate from industrial waste solvent
CN1943302A Combined harvester for rice and wheat
CN1843780A Novel functional decorative material inlaid with luminous material pattern and method for manufacturing the same
CN1740265A Light accumulating stone and its making process
CN1296102A Water discharge implement for reservoir
CN1230487A Making method of high-refractivity reflecting film