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CHANGZHOU HAOMAI MARINE EQUIPMENT TECHNOLOGY CO LTD

Overview
  • Total Patents
    27
About

CHANGZHOU HAOMAI MARINE EQUIPMENT TECHNOLOGY CO LTD has a total of 27 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets measurement, optics and consumer goods are GULUNOV ALEXEY V, AZIMUTH LTD and ZHENG LINKUN.

Patent filings in countries

World map showing CHANGZHOU HAOMAI MARINE EQUIPMENT TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing CHANGZHOU HAOMAI MARINE EQUIPMENT TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Di Danyan 27
#2 Zhu Liang 27

Latest patents

Publication Filing date Title
CN103565068A Sextant instrument box for fixing oil pot
CN103487017A Sextant dial
CN103487005A Special case for three-arm protractor
CN103487021A Sextant index mirror
CN103487038A Central needle assembly for three-arm protractor
CN103482188A Sextant instrument container for fixing brush
CN103487006A Lengthening device of three-arm protractor
CN103482190A Sextant instrument container
CN103487008A Surveying and mapping device of three-arm protractor
CN103487019A Protection cover for sextant center shaft
CN103487003A Three-arm protractor case
CN103482242A Sextant instrument container for fixing accessories
CN103487016A Sextant
CN103487007A Movable handle device of three-arm protractor
CN103487020A Dial for sextant
CN103487009A Three-arm protractor
CN103487004A Special case for three-arm protractor
CN103482241A Instrument container for fixing sextant
CN103487018A Transmission device of sextant
CN103482191A Special instrument box for sextant