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LIUZHOU LIUGONG EXCAVATORS CO LTD

Overview
  • Total Patents
    171
  • GoodIP Patent Rank
    9,145
  • Filing trend
    ⇧ 105.0%
About

LIUZHOU LIUGONG EXCAVATORS CO LTD has a total of 171 patent applications. It increased the IP activity by 105.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, mechanical elements and transport are HUNAN SUNWARD INTELLIGENT MACH, XCMG EXCAVATOR MACHINERY CO and SANY HEAVY MACHINERY CO LTD.

Patent filings in countries

World map showing LIUZHOU LIUGONG EXCAVATORS CO LTDs patent filings in countries
# Country Total Patents
#1 China 171

Patent filings per year

Chart showing LIUZHOU LIUGONG EXCAVATORS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Jian 42
#2 Xing Shuxin 29
#3 Li Wenxin 27
#4 Lu Chunlin 27
#5 Wang Qieren 20
#6 Liu Xiaoqiang 20
#7 Li Jian 20
#8 Bin Xuzhou 17
#9 Cheng Pan 17
#10 Hu Yong 16

Latest patents

Publication Filing date Title
CN112112216A Excavator hydraulic system, excavator and control method
CN112160952A Hydraulic fan system and engineering machinery
CN112127414A Excavator control method and system and operation mode switching method and system
CN112017339A Excavator control system
CN111877444A Excavator electronic enclosing wall configuration method, excavator controller and excavator
CN111874115A Rail-changing walking frame and engineering machinery
CN111828416A Pile hammer hydraulic control system and pile driver
CN111851615A Swing arm descending energy recovery hydraulic system and excavator
CN111704043A Telescopic boom structure, operation boom and engineering machinery
CN111594504A Balance valve for traveling motor and crawler excavator
CN111576510A Boom and construction machine
CN111498781A Rotary lifting device and engineering machinery
CN111456125A Excavator working device and excavator
CN111350227A Rotary hydraulic system, control method of rotary hydraulic system and excavator
CN111306027A Method and system for controlling power of main pump of rotary drilling rig
CN111140164A Rotary drilling rig
CN111146759A Engineering machinery fuse burnout warning circuit
CN110844616A Urea liquid filling auxiliary device
CN110792652A Quick-change connector electromagnetic valve
CN110792644A High-low pressure quick-change hydraulic system of excavator