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QIQIHAR LEIANG HEAVY MACHINERY MFG CO LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    52,852
  • Filing trend
    ⇩ 100.0%
About

QIQIHAR LEIANG HEAVY MACHINERY MFG CO LTD has a total of 32 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets machine tools, materials and metallurgy and packaging and shipping are ADAMS HEINZ, PITTLER GMBH and AFW HOLDING GMBH.

Patent filings in countries

World map showing QIQIHAR LEIANG HEAVY MACHINERY MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing QIQIHAR LEIANG HEAVY MACHINERY MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dai Wei 31
#2 Fan Lei 29
#3 Chang Cheng 25
#4 Sun Mingbao 24
#5 Yin Huaikun 10
#6 Tian Renfu 7
#7 Zhang Wenwu 5
#8 Qian Lin 2
#9 Yang Zhiyong 2
#10 Sun Xianzhu 2

Latest patents

Publication Filing date Title
CN110977560A Pneumatic clamping device
CN111113073A Processing method of sleeping car center frame
CN110587332A Automatic workpiece clamping mechanism for vertical lathe
CN110561142A automatic centering and clamping mechanism for workbench
CN109926622A A kind of drilling rod hole machined supporting arrangement
CN110026789A A kind of inner hole of workpiece automatic positioning clamp system
CN107804789A Hoisting gripping member frock
CN107717578A A kind of train wagons balancing frame processing tool
CN107695706A High speed major diameter workbench hydrostatic slideway hydraulic fluid chamber
CN107717027A Nuclear pressure container support block Special Purpose Machine for Processing
CN107716952A A kind of boring spindle milling arbor tenses frock
CN106735369A Boring machine processing spring groove and undercut frock
CN106735366A Boring bar inside supporting tool
CN106695386A Train truck bogie hole machining tool
CN106737175A Grinding machine processes bore frock
CN106514109A Hydraulic drive wheel rim welding machine tool
CN106826284A Train wagons bogie processes bottom surface frock
CN105290460A Overturning die drilling and drilling tool for drilling machine
CN105291082A Large-diameter workpiece scribing process
CN105290830A Milling tool for plane milling