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RIZHAO HAIZHUO HYDRAULIC CO LTD

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    61,317
About

RIZHAO HAIZHUO HYDRAULIC CO LTD has a total of 26 patent applications. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, measurement and machine tools are NORBRO PNEUMATICS LTD, SUN HYDRAULICS LLC and BIERI HYDRAULIK AG.

Patent filings in countries

World map showing RIZHAO HAIZHUO HYDRAULIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 26

Patent filings per year

Chart showing RIZHAO HAIZHUO HYDRAULIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Ruichuan 24
#2 Xu Jikang 9
#3 Liu Chengliang 7
#4 Cui Huanyong 5
#5 Feng Zhen 3
#6 Huang Chuanzhen 3
#7 Wang Zhenlong 3
#8 Yang Junru 3
#9 Zhang Huazhong 3
#10 Liu Yanjun 3

Latest patents

Publication Filing date Title
CN111120443A Multi-way reversing valve based on integral type thread cartridge pilot hydraulic lock
CN111156216A Multi-way valve with integral mechanical pilot check valve and electro-hydraulic proportional control
CN111173797A Multi-way valve with integral mechanical pilot check valve and mechanical hydraulic positioning
CN111185716A Multi-span small-diameter hole coaxiality machining method and machining device
CN111133853A Multi-parameter combined automatic adjusting system and method for tilling depth of tractor
CN110725824A Modularization power hydraulic pressure multiple unit valve of shifting
CN109764018A Multi-way valve with off-load in active gage Yu oil return logic function
CN109751291A A kind of interior multi-way valve that system is waken up with energy of commutation work connection
CN109737111A It is a kind of with the multi-way valve based on one-way or bi-directional hydraulic lock consubstantiality repairing function
CN109764019A Based on the multi-way valve for having the function of androgynous repairing and overloading hydraulic lock being coaxially integrated
CN109356949A Farm tractor clutch assisted control system based on hydraulicdirectional control valve
CN109341904A Novel traction force snesor
CN109269686A Silicon steel sheet stack adding type force snesor
CN105370655A Multi-mode double-oil-way electric-hydraulic proportional overflow speed regulating valve
CN105387245A Six-position five-way logic selector valve
CN105370654A Six-mode double-oil-way oil supply system
CN105351294A Multi-system synchronous energy recovery network system
CN105351293A Energy recovery system for passive volume synchronous system
CN105351264A Multi-oil-cylinder rigid passive synchronous hydraulic control system
CN105351267A Multi-oil-cylinder vector control rigid active synchronous hydraulic system