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LIU GONGQIN

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    204,939
About

LIU GONGQIN has a total of 14 patent applications. Its first patent ever was published in 1999. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, environmental technology and thermal processes are SICHUAN ORIENT SOFTWARE SCIENCE & TECHNOLOGY CO LTD, ARAI SUMIO and HUIHUANG PLUMBING GROUP CO LTD.

Patent filings in countries

World map showing LIU GONGQINs patent filings in countries

Patent filings per year

Chart showing LIU GONGQINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Gongqin 14

Latest patents

Publication Filing date Title
CN105115153A Water and fire direct heat exchange household heating stove
CN105115154A Inner cyclic heating device of water and fire direct exchange type boiler
CN103899805A Micro-force switch valve with backflow stopping function
CN103322207A Micro-strength switching valve
CN103322208A Hydraulically-controlled opening and closing valve
CN102353149A Boiler with device capable of adjusting circulation water flow rate automatically
CN102313025A Hydraulic control switch valve
WO2009026750A1 Effective boiler
CN1613978A Parallel coal gasifying furnace
CN1546891A Controllable automatic switch valve
CN1405276A Self-balanced coal continuous gasification furnace
CN1290839A Direct fire-jetting and water-spraying heat exchanger
CN1271832A Shower-type heat exchanger