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SHANDONG TIANRUI HEAVY IND CO LTD

Overview
  • Total Patents
    72
  • GoodIP Patent Rank
    20,180
  • Filing trend
    ⇩ 33.0%
About

SHANDONG TIANRUI HEAVY IND CO LTD has a total of 72 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2015. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, electrical machinery and energy and engines, pumps and turbines are UPWING ENERGY LLC, CORETEQ LTD and OILFIELD EQUIPMENT DEVELOPMENT CENTER LTD.

Patent filings in countries

World map showing SHANDONG TIANRUI HEAVY IND CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANDONG TIANRUI HEAVY IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yongsheng 72
#2 Li Zhiyu 44
#3 Wang Weilin 43
#4 Zhang Jieyu 36
#5 He Xiaohong 33
#6 Zhang Haigang 26
#7 Zhang Fengqin 23
#8 Yang Qi 23
#9 Zhang Hui 22
#10 Wang Qiujing 20

Latest patents

Publication Filing date Title
CN111933593A Magnetic bearing power amplification module
CN111927885A Permanent magnet biased axial magnetic bearing
CN111794991A Magnetic suspension double round air-blower
CN111730316A Hydraulic rock drill's dismouting axle sleeve frock
CN111623700A Magnetic suspension bearing inductance type displacement sensor
CN111622975A Multistage magnetic suspension air blower adjusting system and control method thereof
CN111854296A Refrigerating system and control method thereof
CN111854295A Gas refrigerating system
CN111734670A Test system and test method of magnetic suspension blower
CN111486139A Nitrogen charging and measuring device for hydraulic rock drill energy accumulator and control method thereof
CN111377243A Pneumatic conveying system and control method thereof
CN111399438A Magnetic suspension power equipment control system and control method thereof
CN111389116A Magnetic suspension vacuum dehydration system
CN111359313A Turbine vacuum system and steam-water separator thereof
CN111262475A Rotor for magnetic suspension motor and novel magnetic suspension motor
CN111262379A Magnetic suspension motor with axially movable rotor and refrigeration equipment
CN111236833A Hydraulic rock drill air-blast proof buffering system
CN111154541A Hydraulic rock drill power medium optimizing liquid and preparation process thereof
CN110763103A Air blower diffuser profile inspection tool
CN110666746A Magnetic suspension blower impeller dismounting tool and dismounting method