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QINGHUANGDAO NORTH METAL HOSE CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    170,571
About

QINGHUANGDAO NORTH METAL HOSE CO LTD has a total of 22 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, electrical machinery and energy and measurement are TRELLEBORG IND, ODIN CONNECT AS and MANULI RUBBER IND SRL.

Patent filings in countries

World map showing QINGHUANGDAO NORTH METAL HOSE CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing QINGHUANGDAO NORTH METAL HOSE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Chunyue 5
#2 Song Hongwei 5
#3 Wu Lei 5
#4 Meng Xianchun 4
#5 Zhao Tiezhi 4
#6 Wei Shouliang 4
#7 Zhao Jiangbo 4
#8 Zhao Guang 3
#9 Hao Liwei 3
#10 Huo Zenglong 3

Latest patents

Publication Filing date Title
CN112179151A Method and device for cooling sintered material of circular cooler
CN112086842A Water and electricity integrated explosion-proof slip ring
CN111111357A Horizontal reciprocating rotation device for fog gun
CN111141454A Pressure detector for pipeline component of blast furnace air supply system
CN105904715A A device for forming a nonmetal inner liner of a corrugated pipe
CN104989891A Leakproof oxygen lance cooling water metal hose long in service life
CN104989905A Compactly-combined expansion joint with inlet and outlet perpendicular to each other
CN104279392A High-temperature, wear-resistant, corrosion-resistant and axial torque preventing expansion joint
CN104266012A High-wearing-resistance, low-resistance-loss and flexible rubber hose
CN103335189A Shock absorption and noise reduction curved pipe pressure balancing type expansion joint
CN103302435A Universal assembly welding process device for metal compensator
CN103302434A Assembly welding tool generally used for hot blast main pipe elbows
CN103277625A Balance-type expansion joint for small-sized space
CN102815954A High-performance heat-insulation wear-resistant material and preparation method thereof
CN102829279A Corrosion-resistant wear-resistant composite expansion joint and preparation method thereof
CN102829280A Compound expansion joint capable of resisting strong corrosive medium and preparation method
CN103525976A Solid metal cored wire and preparation method thereof
CN102699087A Partition board forming device for air supply straight blowing pipe of blast furnace
CN102705625A External pressure armored expansion joint
CN102095044A Friction-resistant expansion joint