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TIANJIN HANHAI ENVIRONMENTAL PROT EQUIPMENT CO LTD

Overview
  • Total Patents
    11
About

TIANJIN HANHAI ENVIRONMENTAL PROT EQUIPMENT CO LTD has a total of 11 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are PERELMAN ARON T, SHAKHVOROSTOV NIKOLAJ GAVRIILO and CHEN HANCHANG.

Patent filings in countries

World map showing TIANJIN HANHAI ENVIRONMENTAL PROT EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing TIANJIN HANHAI ENVIRONMENTAL PROT EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Wancai Wang 7
#2 Junying Zhao 7
#3 Chuanqing Liu 2
#4 Hualin Ye 2
#5 Mingtian Dong 1
#6 Yafei Jiang 1
#7 Haitao Yang 1

Latest patents

Publication Filing date Title
CN102774476A Environmental protection ship embedded with weir type oil receiving devices
CN102774475A Environmental protection ship embedded with vacuum oil-receiving devices
CN102774477A Environmental protection ship embedded with felt type oil receiving devices
CN102774474A Environmental protection ship embedded with disc type oil receiving devices
CN102493414A High strength oil fence with internal ballast chains
CN102493415A High strength oil fence with external ballast chains
CN102493418A High strength reinforced oil fence
CN102493416A High strength oil fence with external solid floaters
CN102493417A High strength oil fence with reinforced steel wire ropes
CN102493419A High strength oil fence with ballast blocks
CN101838980A Inflatable oil containment boom capable of diving and being dedicated storage