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HAN XIANFENG

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    167,570
  • Filing trend
    0.0%
About

HAN XIANFENG has a total of 18 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2008. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, transport and weapons are UNIV TECH KOSICIACH, SZYDLOWSKI ALLEN and JIANGSU LISHENG MARINE EQUIPMENT MFG CO LTD.

Patent filings in countries

World map showing HAN XIANFENGs patent filings in countries

Patent filings per year

Chart showing HAN XIANFENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Xianfeng 18
#2 Xiao Xiaoping 1
#3 Hu Binjie 1
#4 Han Chenwei 1
#5 Han Chenyu 1

Latest patents

Publication Filing date Title
CN110271645A Method that Crude Oil at Sea transfers platform and Crude Oil at Sea is transferred
CN108528669A The dry transfer device of occupant docked with submarine for bathyscaph
CN108313253A " X " rudder and the convertible rudder system of " ten " word rudder and its stern rudder bearer sealing device
CN107933827A Crude Oil at Sea transfer platform anchor chain cause lead device
CN107914848A Submarine aft hydroplane card rudder disappears submersible device
CN104673665A Colony count alarming device for vessel ballast water
CN104724837A Biochemical reactor for bacterial colonies in ship ballast water
CN105877473A Cooking stove capable of emission reduction and energy conservation
CN104464843A Nuclear reactor safety rod with rotating mechanism and sealing structure of safety rod
CN103754342A 'X'-shaped rudder and 'crisscross' rudder switching device
CN103474096A Cross tube pressure type heavy-water-moderated and light-water-boiled reactor
CN103470801A Valve for cross pipe pressurized reactor
CN103073137A Swirl partition type ballast water treatment device for ship
CN102921685A Bidirectional clearing device and applying device for natural gas bent pipeline
CN102600927A Flour mill
CN102141164A General valve capable of being maintained on line
CN101846073A Ball head universal joint and single-screw pump utilizing same
WO2009117872A1 A balanceable towing hook for a ship