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LIAO WANZHEN

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    228,077
About

LIAO WANZHEN has a total of 11 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and engines, pumps and turbines are ASTAKHOV VALERIJ V, ZAP KAZAKHSTANSKIJ SELSKOKHOZ and PK B GL UPRAVLENIYA LOKOMOTIVN.

Patent filings in countries

World map showing LIAO WANZHENs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing LIAO WANZHENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liao Wanzhen 11

Latest patents

Publication Filing date Title
CN107448275A A kind of piston and the internal combustion engine of cylinder body tapered geometry
CN104282296A Sound generation method of whistle tube of sun flint structure
CN1987995A Mixed hole drilling method for alto pipe instrument
CN1845236A Inelastic single-ended fixed musical instrument
CN1790477A Hard stringed musical instrument
CN1775629A Flat-clock type spaceship orbital cabin
CN1765696A Flat round shape submarine with internal small nail
CN1664489A Burning glass type bullet and projectile
CN1560832A Whole modulation musical instrument like pappipes
CN1545083A Universal row type wind playing musical instrument
CN1405751A Wind instrument