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LANZHOU LANLUO OIL REFINERY & CHEMICAL PROC EQUIPMENT CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    149,863
About

LANZHOU LANLUO OIL REFINERY & CHEMICAL PROC EQUIPMENT CO LTD has a total of 11 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets thermal processes are YOSHIDA KANJI, SHEKRILADZE IRAKLIJ G and EBARA BOILER KK.

Patent filings in countries

World map showing LANZHOU LANLUO OIL REFINERY & CHEMICAL PROC EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing LANZHOU LANLUO OIL REFINERY & CHEMICAL PROC EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Thermal processes

Focus technologies

# Technology
#1 Heat-exchanger without contact

Top inventors

# Name Total Patents
#1 Liu Lansheng 11
#2 Zhang Yan 10
#3 Zhang Lei 10
#4 Yan Ruqiang 10
#5 Liu Li 8
#6 Ding Yongping 8
#7 Wang Xiangwen 8
#8 Zhou Fengjiao 6
#9 Luo Jiying 5
#10 Jin Wanyun 5

Latest patents

Publication Filing date Title
CN109945702A Big flow mixes runner spiral heat exchanger
CN109764703A The wear-resistant inlet and outlet device of Novel spiral sheet heat exchanger
CN109764704A Spiral plate type air preheater
CN105318742A Spiral-plate air cooler
CN105318751A Mixed flow channel spiral-plate heat exchanger
CN105318752A End face double-sealing spiral plate type high-temperature flue gas reboiler
CN104236378A Spiral plate type heat exchanger eddy current and centrifugal sand discharge connector device
CN104236351A Wide-passage and equal-cross-section flow passage spiral plate type cooler
CN104226762A Spiral plate flanging device
CN104212485A Detachable crude oil quick dirt separator
CN104165536A Heat tracing type pulverized coal conveying, heat exchange and separation device