Learn more

SHANDONG ZEYUAN PETROLEUM MACHINERY CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    149,164
About

SHANDONG ZEYUAN PETROLEUM MACHINERY CO LTD has a total of 11 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and packaging and shipping are NETZSCH OILFIELD PRODUCTS GMBH, PINE TREE GAS LLC and PCM.

Patent filings in countries

World map showing SHANDONG ZEYUAN PETROLEUM MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing SHANDONG ZEYUAN PETROLEUM MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ding Xi 4
#2 Liu Xinyong 3
#3 Zheng Yawen 2
#4 Zhang Xibao 2
#5 Dang Ningjun 2
#6 Sui Zhongxun 2
#7 Yu Hui 2
#8 Lyu Abo 2
#9 Sun Sifan 1
#10 Zhu Yubo 1

Latest patents

Publication Filing date Title
CN111425154A Pipe rod conveyor
CN110306939A One kind can the road Duan Chaimao machine
CN110306942A A kind of cat road machine
CN109869119A A kind of extracting device of oil
CN109592395A Sucker rod conveyer
CN109555820A A kind of retarder for submersible screw pumping system
CN109296344A Submersible screw pump retarder protector
CN109519132A A kind of Drill-pipe conveyed machine and board migration device
CN109236642A Metal screw pump stator moulding process
CN109253107A A kind of mechanical seal for submersible electric pump motor protecter
CN109595145A Latent oil reciprocator and its plunger pump system