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WANG CHANGZHI

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    200,793
About

WANG CHANGZHI has a total of 37 patent applications. Its first patent ever was published in 1989. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, materials and metallurgy and civil engineering are MENEZES PEDRO RICARDO PAULINO, FEDERAL NOE G BJUDZHETNOE UCHREZHDENIE NAUKI INST NEFTI I GAZA SIB OTDEL ROSSIJSKOJ AKADEMII NAUK and ESTATE CHEMICAL KK.

Patent filings in countries

World map showing WANG CHANGZHIs patent filings in countries
# Country Total Patents
#1 China 37

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Wang Changzhi 20
#2 Changzhi Wang 17
#3 Du Wenlin 2
#4 Du Juan 1
#5 Wang Congyi 1
#6 Lianzhen Chen 1
#7 Nie Dewei 1
#8 Zhang Zhijian 1

Latest patents

Publication Filing date Title
CN106275335A Stealthy Naval Ship Outfitting
CN104612212A Water vapor pressurizing water producing device
CN105566846A Modified amino foam insulation board and preparation method thereof
CN105565954A Multifunctional modified amidogen foam plant facilitation nutrition medium and preparing method
CN103965933A Apparatus for production of bio-oil through rapid cracking of biomass
CN103131198A Road pitch or building pitch made of coal pitch
CN102409639A Flood-prevention leakage-stopping device
CN101072368A Full-channel stereo-vision television
CN101072367A Two-dimensional picture stimulated three-dimensional image display method
CN1872356A Artificial lung
CN1779719A Simulated three-dimensional image display method with two-dimensional frames
CN1541946A Fresh water condensation apparatus for fog dehumidify
CN1507815A Plasma food
CN1507814A Medium-free cryogenic plasma processed food device
CN1402558A All-channel stereovision TV
CN1331273A Process for preparing soil improver from xanthohumic acid, composite amino acids and draught-resistant organic fertilizer
CN1221704A Prodn. of concentrated sulphuric acid with dilute sulphuric acid and integrally producing battery sulphuric acid
CN1172268A Image parallactic stereoscopic display
CN1168864A Fresh water collecting apparatus by means of temp. difference
CN1138995A Rehabilitation liquid for allergic rhinitis and ophthalmitis