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Shanghai qinghe machinery co ltd

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    128,745
  • Filing trend
    ⇧ 300.0%
About

Shanghai qinghe machinery co ltd has a total of 18 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2013. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, materials and metallurgy and engines, pumps and turbines are PLASMA SYSTEM S A, WALL COLMONOY LTD and BAOJI PETROLEUM STEEL PIPE CO.

Patent filings in countries

World map showing Shanghai qinghe machinery co ltds patent filings in countries

Patent filings per year

Chart showing Shanghai qinghe machinery co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Jianguo 9
#2 Wang He 8
#3 Wei Pinrong 7
#4 Li Yang 7
#5 Xin Yongliang 5
#6 Fan Pinhui 5
#7 Zhu Zhengyu 4
#8 Feng Haikun 4
#9 Wei Jia 3
#10 Fei Jiegao 2

Latest patents

Publication Filing date Title
CN111306055A High-pressure plunger pump hydraulic end valve box
CN110410313A A kind of eccentric type structure plunger pump cylinder body
CN110129688A A kind of high-voltage-resistant anti-corrosion steel and its preparation method and application
CN109128683A A kind of fluid end clack box inner cavity and plunger end sealing hole restorative procedure
CN109026660A A kind of dual-seal circle
CN107351751A Intelligent wrecker
CN106014963A Ball type valve assembly structure
CN104564649A Hydraulic end assembly of fracturing pump
CN104500359A Hydraulic end assembly of five-cylinder plunger pump
CN104265260A Fluid end assembly
CN103451554A Metal material for valve box, and preparation method thereof
CN103447582A 1:16 conicity tooling structure for processing plunger piston pump valve box valve seat hole
CN103433526A Tool set structure for processing plunger pump valve box valve seat hole (1:8 taper)
CN103433889A Screw type disassembling tool
CN103438213A Sealing piece structure