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WU WEN CHANG

Overview
  • Total Patents
    11
About

WU WEN CHANG has a total of 11 patent applications. Its first patent ever was published in 1996. It filed its patents most often in France, United Kingdom and South Africa. Its main competitors in its focus markets electrical machinery and energy and machines are BRUCK GMBH & CO KG, WU WEN-CHANG and HOFFMEISTER LEUCHTEN KG.

Patent filings in countries

World map showing WU WEN CHANGs patent filings in countries
# Country Total Patents
#1 France 9
#2 United Kingdom 1
#3 South Africa 1

Patent filings per year

Chart showing WU WEN CHANGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy
#2 Machines

Top inventors

# Name Total Patents
#1 Wu Wen Chang 9
#2 Wu Wen-Chang 1

Latest patents

Publication Filing date Title
FR2861451A3 Electrical connector for use on electrical lighting units has main socket unit that is clamped to housing and which receives a connecting plug that latches in position
GB0321853D0 Lighting fixtures
FR2837027A3 Physical and electrical connection system between a lamp rod and an electrical connection box
FR2835039A3 Device for quick mounting of lamp rod and lamp socket
FR2834388A3 Connection box mounting structure
FR2834331A3 Fixing structure with locking rod lighting rod
ZA9601361B Improved gear lever stock assembly