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NINGBO HAIHONG HYDRAULICS CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    77,526
About

NINGBO HAIHONG HYDRAULICS CO LTD has a total of 22 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, chemical engineering and packaging and shipping are KOMB ORSTA HYDRAULIK VEB, SEV GLOCON LTD and YOUNG TECH CO.

Patent filings in countries

World map showing NINGBO HAIHONG HYDRAULICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing NINGBO HAIHONG HYDRAULICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Deng Bo 19
#2 Dong Wei 2
#3 Jin Jie 2
#4 Luo Limin 1
#5 Zhou Danjun 1
#6 Deng Bei 1
#7 Zhou Changqing 1
#8 Dong Guangliang 1

Latest patents

Publication Filing date Title
CN111188803A Plate type four-position four-way cone valve direct-acting electromagnetic reversing hydraulic valve
CN110630589A Automatic test system and method for hydraulic check valve
CN108302075A The screw thread inserting type pressure opening and closing valve of carry potential overflow
CN108278393A A kind of slide valve type guide one-way overflow valve
CN107781248A A kind of loop wheel machine control valve group
CN106122151A Insert high-flow threeway proportional pressure-reducing valve
CN106917884A Check valve
CN106917783A A kind of hydraulic valve easy to assembly
CN106917785A A kind of hand control valve
CN106917903A Magnetic valve
CN106917899A A kind of sealable control valve
CN106917896A Magnetic valve
CN106917880A A kind of multi-function hydraulic valve
CN106917914A Magnetic valve
CN106917786A A kind of hydraulic valve of long service life
CN106917787A A kind of novel hydraulic valve
CN106917902A Magnetic valve
CN106917906A A kind of hand-operated hydraulic valve
CN106917876A A kind of hydraulic valve of good airproof performance
CN106917784A A kind of one-way hydraulic valve