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ZHIGANG MA

Overview
  • Total Patents
    17
About

ZHIGANG MA has a total of 17 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and mechanical elements are IVANOV V V, HUZHOU ECO ENVIRONMENTAL TECHNOLOGY CO LTD and KINOSHITA SUSUMU.

Patent filings in countries

World map showing ZHIGANG MAs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing ZHIGANG MAs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhigang Ma 17
#2 Yuansheng An 1
#3 Xiaomei Dong 1
#4 Guoping Geng 1

Latest patents

Publication Filing date Title
CN101768532A Cleanser and preparation method thereof
CN102122596A Direct current smart power grid
CN101692353A Leakage-detectable constant-stress sealing gasket
CN101581365A Internal compression-type sealing ring
CN101593611A The module winding general transformer of negative electric weight can neutralize
CN101567539A Method and device for overhead transmission line harmonic and resonance deicing
CN101455426A Gingko composite beverage
CN101144541A Corrugated self-fastening composite sealing pad
CN101050815A Laminated closed seal spacer and its producing method
CN101033799A Self-reinforcing flexible sealing gasket and manufacture method thereof
CN101232253A Double in series high voltage frequency conversion device
CN1828097A Metal tube and ring rolled seal gasket and manufacturing method thereof
CN1828252A Sealing property testing equipment
CN1834502A Metal tube circular moulded sealing washer and its mfg. method
CN1834503A Dual-ring sealing washer and its mfg. method
CN1599105A Vacuum sintering method of negative plate of nickel-hydrogen battery