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ZUWEN ZHANG

Overview
  • Total Patents
    12
About

ZUWEN ZHANG has a total of 12 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are SHENZHEN ZEUS TELECOMM HOLDING, SHANGHAI FUZHAN LIGHTING TECHNOLOGY CO LTD and MO OTDEL ZNAK POCHETA NII PERE.

Patent filings in countries

World map showing ZUWEN ZHANGs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing ZUWEN ZHANGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zuwen Zhang 12

Latest patents

Publication Filing date Title
CN102726984A Production method for three-purpose framework of single bed, double bed and writing table
CN102573327A Method for manufacturing power electronic circuit board and power module special for power supply
CN101854777A Fabricating methods for special power electronic circuit board for power supply and power module
CN101592083A Inhale iron transmission or many turbine generation of shaft drive wide temperature range unit
CN101478193A Electric power cooling structure with steam engine refrigerator
CN101316071A Adjustable multipurpose power source
CN101144390A Crankshaft transmission low-temperature multi-cylinder piston engine
CN1948720A Permanent magnet driving low temperature multistage turbogenerator
CN1845439A Adjustable frequency-stabilizing voltage-stabilizing variable-frequency variable-voltage power supply
CN1808872A Variable time constant-temperature AC voltage/current transformation power supply
CN1702586A Large power DC voltage stabilization and current stabilization variable voltage and variable current power supply
CN1652443A Adjccstable AC stable voltage stable current power supply