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QINGDAO NPA IND CO LTD

Overview
  • Total Patents
    99
  • GoodIP Patent Rank
    29,217
  • Filing trend
    ⇧ 100.0%
About

QINGDAO NPA IND CO LTD has a total of 99 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China, Canada and EPO (European Patent Office). Its main competitors in its focus markets machine tools, materials and metallurgy and macromolecular chemistry and polymers are JIANGSU BOLIN MACHINERY MFG CO LTD, SUZHOU WEISIDAO INTELLIGENT TECH CO LTD and BENGBU TIMES ELECTRONICS CO LTD.

Patent filings per year

Chart showing QINGDAO NPA IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gu Chaoxiong 42
#2 Wang Xinglei 26
#3 Chang Weining 22
#4 Zhang Hongmin 8
#5 Li Shangping 5
#6 Qu Zijian 5
#7 Luo Heli 5
#8 Wu Yonghua 5
#9 Wang Jiantao 5
#10 Wei Lijuan 4

Latest patents

Publication Filing date Title
CN112030080A Resource-saving high-temperature high-strength heat-resistant alloy steel material
CN110926705A Semi-automatic pipe section air tightness testing machine
CN110744098A High-efficient deep hole broaching and boring machine
CN110744097A Anti-seismic boring bar support of deep hole boring machine
CN110744074A High-efficient double-end numerical control pipe lathe
CN110744305A Efficient deep hole turning and boring machine and method for machining deep hole by using same
CN110788372A Deep hole boring machine tool rest carriage transmission device
EP3650560A1 Oxidation-resistant heat-resistant alloy and preparing method
CN109127821A A kind of three-dimensional space bend pipe process equipment
CN109127822A A kind of space bent pipe equipment
CN107167019A Heat exchange elements and its manufacture method
CN106346268A Lathe boring fixture
CN106391819A Angle-adjustable elbow pressing tool
CN105499529A Furnace tube columnar crystal texture forming method and temperature control device
CN106541104A Ethane cracking furnace S bend pipe bends technology
CN106541102A Ethane cracking furnace U-tube bends technology
CN106541101A Radiation pipe surface red bayberry particle former control method
CN106541103A Galvanized wire furnace roller manufacturing technology
CN106541247A Chrome-faced furnace roller manufacturing technology
CN106541248A Petrochemical industry Y-piece foundry engieering