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CHANGZHOU WELLMAN PHOTOELECTRIC INSTR CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    211,452
About

CHANGZHOU WELLMAN PHOTOELECTRIC INSTR CO LTD has a total of 13 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets measurement and machine tools are ARZAMASSKOE NPP TEMP AVIA OAO ANPP TEMP AVIA AOOT, ALONSO GATO JUAN and MENG FANXIANG.

Patent filings in countries

World map showing CHANGZHOU WELLMAN PHOTOELECTRIC INSTR CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing CHANGZHOU WELLMAN PHOTOELECTRIC INSTR CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zhu Xuhui 13

Latest patents

Publication Filing date Title
CN108020219A The laser of cross projection
CN108036779A Automatic laser frame for line marking instrument
CN108362306A A kind of frame for line marking instrument detection workbench
CN103557845A Energy-saving-type green laser marking device
CN104515507A Small-size cross line laser
CN104515505A Dynamic laser receiver
CN104515512A Square cross line laser
CN104515508A Four-directional cross line laser
CN104515511A Cross line laser
CN104515506A Cross shaft adjustment mechanism used in cross line laser
CN104515510A Static laser receiver
CN104515513A Portable cross line laser
CN104515509A Rotary laser