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TIANJIN LAND & OCEAN PETROLEUM EQUIPMENT SYSTEMS ENG CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    229,115
About

TIANJIN LAND & OCEAN PETROLEUM EQUIPMENT SYSTEMS ENG CO LTD has a total of 15 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets measurement are UCHREZHDENIE ROSSIJSKOJ AKADEMII NAUK FIZICHESKIJ INST IM P N LEBEDEVA RAN FIAN, LION TRADING CO LTD and SYMPATEC GMBH.

Patent filings in countries

World map showing TIANJIN LAND & OCEAN PETROLEUM EQUIPMENT SYSTEMS ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing TIANJIN LAND & OCEAN PETROLEUM EQUIPMENT SYSTEMS ENG CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

# Technology
#1 Analysing materials

Top inventors

# Name Total Patents
#1 Dong Lingyan 8
#2 Lingyan Dong 6
#3 Yan Zhiquan 6
#4 Yang Tao 6
#5 Xu Sen 5
#6 Li Dongwei 5
#7 Zhu Desheng 4
#8 Liu Qing 4
#9 Zhao Peiyu 4
#10 Li Yuan 3

Latest patents

Publication Filing date Title
CN110487764A The hand automatic sampling mode switching device of quantitative fluorescence analysis instrument
CN103675167A Rotating disc type automatic headspace sampler
CN103674614A On-site drilling fluid sampling device for oil exploration
CN103674116A Double-vision-field rock debris analysis and explanation system
CN103604782A Solid sample element analyzer based on laser technology
CN103018471A Automatic sample feeding mechanism for light hydrocarbon
CN102944570A Analysis method for rock sample lithology denomination based on X-ray element fluorescence
CN102830105A Petroleum fluorescence collecting and analyzing method based on charge coupled element optical fiber system
CN102506195A Well logging/VMS (volcanic-associated massive sulfide) gas switching valve
CN101915706A Releasing device
CN101871838A Drop impact testing machine for large dangerous cargo transporting package containers
CN101726424A Checking instrument for winch
CN101424669A Complete-releasing-light hydrocarbon automatic sample handling system
CN101424618A Residual carbon analysis system for infrared CO2 detector
CN101408102A Total hydrocarbon intelligent logging system