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BEIJING HYDRAULIC RES INST

Overview
  • Total Patents
    32
About

BEIJING HYDRAULIC RES INST has a total of 32 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and biotechnology are YUASA TRADING CO LTD, HELI WANG and IWATE PREF GOV.

Patent filings in countries

World map showing BEIJING HYDRAULIC RES INSTs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing BEIJING HYDRAULIC RES INSTs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Rihong Liao 9
#2 Liao Rihong 7
#3 Qijun Li 6
#4 Li Qijun 6
#5 Jiangang Chen 5
#6 Liu Honglu 5
#7 Wu Wenyong 5
#8 Qingyi Meng 5
#9 Shuhan Zhang 5
#10 Honglu Liu 4

Latest patents

Publication Filing date Title
CN102531230A Reclaimed water supplying-type surface water deep purification combined process method and device
CN102531180A Application of fast ion conductor as alga suppression material
CN102507070A Soil depressimeter air-free-water device integrated with preparation and filling
CN102410977A Ground water seepage coefficient testing device
CN102507264A Underwater fixed horizon sampling device and method
CN102499022A Anti-blockage regenerated water trickle irrigation system
CN102499023A Planting bed irrigation device utilizing capillary action of planting medium
CN102342306A Application of betel palm serving as alga suppressing material
CN102249431A Vertical current hydraulic-drop aerating device
CN102174373A Microcystis aeruginosa research device
CN102172154A Method for culturing submerged plant seeds
CN102134143A Method for treating sewage in anaerobic bio-filter and solar aeration bio-filter
CN102092857A Method for restoring river/lake water system by biological chain construction technology
CN102101717A Flexible carrier biological contacting oxidation in-situ strength processing method and device for water in rivers and lakes
CN102079593A Combined type process method and device for cycling filtration, denitrification, dephosphorization and alae killing of polluted surface water
CN101973667A Combination process and device for deep purification of contaminated surface water
CN101708934A Prepositive denitrification pre-ozonation aerated biological activated carbon filter river purification method and device
CN101759298A Rapid manual land infiltration treatment system and method for purifying river water by applying the same
CN101759324A Biological filter-ceramic membrane biological reactor device and water purifying application method thereof
CN101759325A Baffling aeration biological filter chamber treatment system and method for purifying sewage by applying same