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HUDONG HEAVY MACHINERY CO LTD

Overview
  • Total Patents
    251
  • GoodIP Patent Rank
    9,930
  • Filing trend
    ⇩ 33.0%
About

HUDONG HEAVY MACHINERY CO LTD has a total of 251 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2002. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, machine tools and engines, pumps and turbines are DEUTZ AG, CSSC POWER INST CO LTD and INTERNATL ENGINE INTELLECTUAL PROPERTY CO LLC.

Patent filings in countries

World map showing HUDONG HEAVY MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 251

Patent filings per year

Chart showing HUDONG HEAVY MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Fan 11
#2 Chen Xiaolei 10
#3 Wang Yubao 10
#4 Long Lingang 9
#5 Wang Kai 8
#6 Wen Liming 8
#7 Hou Chunguo 8
#8 Tu Danhong 7
#9 Wang Junqing 7
#10 Gao Yongjian 7

Latest patents

Publication Filing date Title
CN110908414A System and method for controlling temperature of pipeline confluence liquid
CN110814277A Metal model system for furan resin sand molding and molding method
CN110886670A Marine low-pressure gas supply system capable of self-pressurizing gas supply and self-pressurizing gas supply method thereof
CN110763402A Testing device for universal use of multiple valves
CN110761871A Oil supply and injection equipment for marine diesel engine
CN110736366A body two-section type heat exchanger and heat exchange method
CN110671246A Multi-fuel switching and adjusting device for marine engine
CN110721533A Metal DPF (diesel particulate filter) filter screen washing regeneration treatment device and treatment method
CN110744486A Disassembling tool and disassembling method for crankshaft damper of diesel engine
CN110712176A Device and method for taking out high-power diesel engine oil injector
CN110695846A Diesel engine cylinder cover sealing surface inspection and grinding device and using method thereof
CN110553578A Measuring device for crankshaft angle signal of marine low-speed diesel engine
CN110566323A Mounting structure of marine HPSCR auxiliary system
CN109909696A A kind of detachable gear wheel case method for processing and assembling
CN109926655A A kind of simple pneumatic crankshaft reaming device
CN109945793A A kind of electronic type air cylinder of marine diesel engine diameter measuring device and measurement method
CN109973242A A kind of engine exhaust heat based on phase-transition heat-storage utilizes device and application method
CN109945036A Stepless plane adjusting device, power equipment for ship and installation method
CN109958550A The effective flexible support component of the double-walled of dual fuel engine and its method for supporting
CN110067684A A kind of control method of dual fuel engine high load capacity operating condition combustion stability