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LAN RENSHUI

Overview
  • Total Patents
    15
About

LAN RENSHUI has a total of 15 patent applications. Its first patent ever was published in 1996. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are SHANGHAI WENXING BIOENGINEERIN, OAO NIZHNEKAMSKNEFTEKHIM and FUKUMI SANGYO KK.

Patent filings in countries

World map showing LAN RENSHUIs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing LAN RENSHUIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Lan Renshui 11
#2 Huang Guiming 6
#3 Lan Renshui Huang 4

Latest patents

Publication Filing date Title
CN102617262A Energy-saving process method for separating cyclohexane-cyclohexene-benzene
CN102070445A Purification method of ethyl acetate
CN102040472A Energy-saving process for rectifying alcohol by adopting heat integration of three rectifying columns
CN1765860A Process for concentrating lower polyol from thin aqueous solution
CN1736961A Styrene separation process
CN1693298A Tech process for separating phenylethylene
CN1683309A Process for purifying (methyl) propenoic acid by combined extracting and azeotropic rectification
CN1471990A Forced liquid extracting style parallel spray packing tower plates
CN1395976A Tower plate with defrosting guide structure and no back mix
CN1378872A Tower plate for gas baffling
CN1286129A Catalytic rectifying tower
CN1251314A All-effective zone column plate
CN1204543A Full effective region cross flow tower plate
CN1204545A High-efficient defroster
CN1147412A Parallel jet compounding tower