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LU JIUQING

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    178,603
About

LU JIUQING has a total of 14 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China, Canada and United States. Its main competitors in its focus markets measurement and civil engineering are LITRE METER LTD, XINJIANG CENTRAL TANON OIL & GAS TECH CO LTD and PROTOPOPOV VITALIJ A.

Patent filings in countries

World map showing LU JIUQINGs patent filings in countries

Patent filings per year

Chart showing LU JIUQINGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Lu Jiuqing 13
#2 Wang Lianggui 3
#3 Dong Qingfeng 3
#4 Wang Hongchun 1
#5 Gu Hong 1
#6 Zhuo Hua 1
#7 Lu Jinqing 1
#8 Yang Xiaodong 1
#9 Liu Wu 1
#10 Wang Junqi 1

Latest patents

Publication Filing date Title
CN104977050A Variable flow wedge shaped flowmeter
CN104316673A Device for measuring water content of oil
CN104314551A Automatic multiphase flow measurement device for well selection
CN104089665A Single-pipe three-phase flowmeter
CN104074508A Intelligent three-phase flowmeter
CN104075760A Flowmeter for gas and liquid
CN104101396A Intelligent multiphase flowmeter
CN103990557A Multi-tube bundle tubular column-type cyclone separator
CN102872657A Gas-liquid separating device
CN102095453A Conical orifice plate flow meter
CA2786826A1 Metering and separating device for natural gas
US2013006545A1 Metering and separating device for natural gas
CN1609563A Gas and liquid two-phase flowmeter