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HEFEI CHANGYUAN HYDRAULIC CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    76,126
  • Filing trend
    ⇧ 16.0%
About

HEFEI CHANGYUAN HYDRAULIC CO LTD has a total of 22 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machine tools and engines, pumps and turbines are GUANGDONG ZHICHENG ELECTROHYDRAULIC TECH CO LTD, SAUER DANFOSS APS NORDBORG and TYRONE HYDRAULICS.

Patent filings in countries

World map showing HEFEI CHANGYUAN HYDRAULIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing HEFEI CHANGYUAN HYDRAULIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Peng 5
#2 Deng Yu 4
#3 Liu Genrui 4
#4 Tang Liming 3
#5 Yang Xiupan 3
#6 Chen Wenhui 3
#7 Zheng Jinchao 3
#8 Chen Shankun 2
#9 Cao Shaoyong 2
#10 Zheng Pengfei 2

Latest patents

Publication Filing date Title
CN112145411A Constant flow direction bidirectional gear oil pump
CN112178006A Automatic reversing hydraulic cylinder
CN111852975A Buffer valve for reducing start-stop impact of hydraulic actuating mechanism
CN111997952A Integral multi-way valve for supporting leg oil cylinder of chassis of engineering machinery automobile
CN111749941A Pilot-operated type multi-oil-way control valve group
CN110000585A One kind being suitable for the pneumatic clamp for machining of multi items sleeve combination formula
CN109899284A A kind of high revolving speed lightweight gear pump
CN109869310A A kind of high viscosity medium lubricating gear pump
CN109707868A A kind of reversal valve and valve block of the hydraulic fluid port pressure adjustable for hydraulic steering system
CN109129324A A kind of accumulator plug assembling jig
CN109397171A A kind of small size combination seal assembly tooling and assembly method
CN109114254A A kind of valve group to work in series and parallel for high-low pump and multi-way valve
CN109162975A A kind of Reversing valve plate with jump position and pressure holding function on agricultural machinery
CN108406010A A kind of numerically control grinder air-actuated jaw for gear grinding
CN108425838A A kind of gear oil pump reducing gear force in radial
CN108317127A Novel energy-storage hydraulic cylinder
CN107420299A A kind of multi-joint heavy-duty gear pump of lightweight structure design
CN107414617A A kind of double end centre bore Ginding process and grinder
CN107061138A High-pressure gear motor
CN107023534A A kind of order hydraulic cylinder group