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NINGBO HILEAD HYDRAULIC CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    183,835
  • Filing trend
    ⇩ 100.0%
About

NINGBO HILEAD HYDRAULIC CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements and engines, pumps and turbines are PISTONPOWER APS, METERING PUMPS LTD and HALDEX HYDRAULICS CORP.

Patent filings in countries

World map showing NINGBO HILEAD HYDRAULIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing NINGBO HILEAD HYDRAULIC CO LTDs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Servomotors
#2 Pumps

Top inventors

# Name Total Patents
#1 Zhao Jingyi 5
#2 Pi Siyuan 4
#3 Zhang Yi 4
#4 Guo Rui 4
#5 Wei Liwang 4
#6 Sun Hongyuan 3
#7 Hu Hailin 3
#8 Shi Huaijun 3
#9 Wei Houshi 2
#10 Zhang Hongliang 2

Latest patents

Publication Filing date Title
CN106763004A A kind of hydraulic pump intelligently filters structure
CN106368937A Servo control structure of hydraulic pump
CN104847738A Parallel energy-saving technology based high-frequency single-acting hydraulic cylinder durability test device and method
CN104895871A Comprehensive and energy-saving testing device and method for reliability of electromagnetic valves and hydraulic cylinders
CN104454791A Parallel-energy-saving-technology-based hydraulic device for testing durability of hydraulic pumps and overflow valves
CN104454748A Reliable comprehensive energy-saving hydraulic test device for gear pumps, overflow valves and one-way valves
CN104154056A High-flow hydraulic reversing loop with interlocking function
CN103273682A Stroke adjusting mechanism for ejection cylinder of hydraulic press
CN103291575A Electric proportional variable axial plunger pump
CN102615845A Composite material hydraulic press system
CN102628458A Hydraulic control system of aeration machine
CN101315068A Electrohydraulic proportion variable axial plunger pump