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YANCHENG XINYONGJIA PETROLEUM MACHINERY MFG CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    58,422
  • Filing trend
    ⇩ 40.0%
About

YANCHENG XINYONGJIA PETROLEUM MACHINERY MFG CO LTD has a total of 29 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, mechanical elements and macromolecular chemistry and polymers are INTERWELL NORWAY AS, OFFSHORE ENERGY SERVICES INC and CLARENCE EDWARD REED.

Patent filings in countries

World map showing YANCHENG XINYONGJIA PETROLEUM MACHINERY MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing YANCHENG XINYONGJIA PETROLEUM MACHINERY MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Huawen 29
#2 Xu Yonghe 28
#3 Wang Tao 25
#4 Ye Junjie 8
#5 Zhang Guoqi 4
#6 Xi Wenkui 3
#7 Zhang Shuping 2
#8 Chen Jiaoni 1
#9 Zhao Jiangpeng 1
#10 He Chuanjian 1

Latest patents

Publication Filing date Title
CN112252963A Novel combined drilling tool
CN112065266A Screw drilling tool for petroleum drilling
CN111720049A Non-magnetic screw drill
CN111720106A Sand prevention type oil-gas separator of screw drilling tool
CN110485914A A kind of drill bit mounting structure of helicoid hydraulic motor
CN110481617A A kind of helicoid hydraulic motor transport device
CN108868588A A kind of high-strength screw rod drilling tool
CN108952561A A kind of helicoid hydraulic motor using big hydrophthalmia by-passing valve
CN108825120A It is a kind of can anti-oblique and drop angle helicoid hydraulic motor
CN108825118A A kind of driving-shaft assembly of helicoid hydraulic motor
CN108825119A A kind of Novel anti-falling helicoid hydraulic motor
CN109025851A A kind of helicoid hydraulic motor
CN107269266A Deviational survey sucker rod
CN107269231A Easy-to-mount sucker rod anti-abrasion device
CN107313729A Anti-skew shock-absorbing oil pumping rod centering device
CN107269229A Sucker rod with wear automatic-compensation structure
CN107288556A Sucker rod anti-abrasion device
CN109267934A A kind of screw rod drilling tool
CN109267933A A kind of antidetonation helicoid hydraulic motor
CN109138842A One kind can reaming helicoid hydraulic motor