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TIANJIN GUOWEI FEEDING & DRAINAGE EQUIPMENT MENT MFG CO LTD

Overview
  • Total Patents
    44
  • GoodIP Patent Rank
    55,810
  • Filing trend
    ⇩ 50.0%
About

TIANJIN GUOWEI FEEDING & DRAINAGE EQUIPMENT MENT MFG CO LTD has a total of 44 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, chemical engineering and civil engineering are SHANGHAI GEAR PLASTIC CO LTD, JIANGSU XINGYA MARINE VALVE CO LTD and LI XIANGQING.

Patent filings in countries

World map showing TIANJIN GUOWEI FEEDING & DRAINAGE EQUIPMENT MENT MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 44

Patent filings per year

Chart showing TIANJIN GUOWEI FEEDING & DRAINAGE EQUIPMENT MENT MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yong 42
#2 Gong Gaoshi 41
#3 Liu Qing 31
#4 Liu Jie 7
#5 Wang Yangchun 6
#6 Zhang Zhipeng 4
#7 Yong Liu 2
#8 Qing Liu 2
#9 Gaoshi Gong 2
#10 Guo Chujiang 2

Latest patents

Publication Filing date Title
CN109027379A The adjusting method of remote adjustment valve system and remote adjustment valve system
CN108612904A Combined type air inlet and exhaust valve
CN107990029A A kind of backflow preventer drain valve with emergency treatment device
CN107376479A A kind of replacing filter with pressure
CN107013737A Unidirectional magnetic lockable gate valve
CN106545677A Rotary pressure-reducing valve
CN106246931A A kind of adjustable soft sealing butterfly valve
CN106195282A A kind of compressed spring type mud valve
CN106195382A A kind of air bleeding valve of built-in filter mantle
CN106195411A A kind of Extension Spring-type mud valve
CN106223408A One is energy-saving holds pressure relief valve
CN106195415A A kind of ball-cock assembly
CN106090369A A kind of piloted reducer
CN105927786A Online detection valve
CN105370966A Sealing floating ball of air releasing and compensating valve
CN105402447A Miniature slowly-closed check valve
CN105370967A Floating ball valve device capable of realizing control of any water level
CN106870746A It is a kind of to be blown the exhaust structure that closes
CN105422975A Control valve
CN105352721A Valve pressure and performance test system