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SHANDONG CCHC HYDRAULICS CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    105,666
About

SHANDONG CCHC HYDRAULICS CO LTD has a total of 16 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, mechanical elements and environmental technology are Hunan sanyi road surface machinery co ltd, JIANGSU BADA HEAVY INDUSTRY MACHINERY CO LTD and REBA BV.

Patent filings in countries

World map showing SHANDONG CCHC HYDRAULICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing SHANDONG CCHC HYDRAULICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Lijin 8
#2 Wang Jinghua 7
#3 Yuan Qingzhao 6
#4 Ying Xiao 6
#5 Xun Qingxiang 5
#6 Zhang Guizhong 4
#7 Liu Jun 4
#8 Gong Xiujiang 3
#9 Fang Xingyu 3
#10 Zhong Mo 3

Latest patents

Publication Filing date Title
CN111173794A Sheet type retaining valve structure for walking machinery
CN111015567A Tool for assembling and disassembling locking nut
CN104019071A Energy-saving hydraulic valve used for hydraulic excavator
CN104017950A Surface hardening heat treatment process of construction mechanical movable arm intermediate shaft
CN103994118A Sealed oil cylinder resistant to oil and gas
CN103994107A Hydraulic power energy accumulator energy charging device
CN103993617A Excavator bucket
CN104005435A Efficient energy-saving environment-friendly oil-hydraulic hybrid powder excavator
CN104005440A Potential energy recovering control device of hydraulic excavator boom
CN103993625A Three-oil cylinder movable arm working device of hydraulic excavator
CN103994140A Connecting structure of bucket pin roll
CN104005439A Oil-hydraulic hybrid power system of efficient energy-saving environment-friendly hydraulic excavator
CN103994282A Adjustable hydraulic pipeline fixing pipe clamp
CN103994185A Main crank efficient rotation power assembly of hydraulic excavator
CN103993624A Energy release control device of energy accumulator of hydraulic excavator
CN104006037A Three-pump type hydraulic excavator oil supply device