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JIANGSU HENGLI HYDRAULIC CO LTD

Overview
  • Total Patents
    68
  • GoodIP Patent Rank
    27,388
  • Filing trend
    ⇧ 183.0%
About

JIANGSU HENGLI HYDRAULIC CO LTD has a total of 68 patent applications. It increased the IP activity by 183.0%. Its first patent ever was published in 2013. It filed its patents most often in China, United States and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, materials and metallurgy and machines are BUNYARD ALAN D, BOSCH REXROTH TEKNIK AB and OIL CONTROL SPA.

Patent filings in countries

World map showing JIANGSU HENGLI HYDRAULIC CO LTDs patent filings in countries

Patent filings per year

Chart showing JIANGSU HENGLI HYDRAULIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Liping 58
#2 Lan Genzhao 25
#3 Li Dandan 21
#4 Qiu Yongning 20
#5 Liu Hongguang 17
#6 Lu Qiang 17
#7 Chen Zhan 16
#8 Yuan Fei 14
#9 Zhang Guoliang 10
#10 Wu Youyi 10

Latest patents

Publication Filing date Title
CN111980986A Single-rod high-frequency impact test hydraulic cylinder
CN111852984A Swing hydraulic cylinder
CN111852983A Oil feeding structure of extension cylinder
CN111531131A Casting sand core of plate valve and casting process of plate valve
CN111288039A Double-rod oil cylinder and engineering machinery with same
CN111173801A Double-helix swing hydraulic cylinder
CN111173802A Double-helix swing hydraulic cylinder
CN111014583A Modeling process for solving KW modeling height limitation
CN110454461A Piston component and elevating ram with it
CN110273890A Elongated oil cylinder and engineering machinery with it
CN110273889A Empty van vehicle elevating ram
CN110273887A Servo actuator
CN109869372A Multi-stage oil cylinder
CN111397433A Control method for controlling variable frequency motor through frequency converter
CN109611417A Multiple stage circulation filters hydraulic system
CN109611400A Hydraulic system pipeline structure
CN109340216A Cushion cylinder
CN108953286A Clamping cylinder
CN108679040A Depressurize oil cylinder
CN108980140A Oil cylinder with gear racks and flat car with it