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Shengli oil field shengji petroleum equipment co ltd

Overview
  • Total Patents
    35
  • GoodIP Patent Rank
    56,857
About

Shengli oil field shengji petroleum equipment co ltd has a total of 35 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and chemical engineering are KARAMAY VICTORY PLATEAU MACHINERY CO LTD, BENTEC GMBH DRILLING & OILFIELD SYSTEMS and FLOWDRIL CORP.

Patent filings in countries

World map showing Shengli oil field shengji petroleum equipment co ltds patent filings in countries
# Country Total Patents
#1 China 35

Patent filings per year

Chart showing Shengli oil field shengji petroleum equipment co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shen Junfang 15
#2 Zhang Xiqing 11
#3 Yang Songyun 8
#4 Ren Shuqiong 8
#5 Zhang Duanguang 7
#6 Wang Guidong 6
#7 Yu Jinling 6
#8 Lyu Hailong 5
#9 Gong Shuzhan 5
#10 Zhao Changzeng 5

Latest patents

Publication Filing date Title
CN112253656A Parking pumping unit
CN112031695A Gas production wellhead device and gas production well
CN112096304A Sucker rod and manufacturing method thereof
CN111622689A Turnover power elevator
CN111594070A Power elevator
CN111577167A Multifunctional power slip
CN111502564A Multi-direction pipe pusher and workover rig
CN111271479A Thermal expansion valve
CN111197572A Ultra-long stroke oil pump
CN111140479A Wear-proof ultra-long oil well pump
CN110714730A Buckle device
CN110657415A Overheat steam-injection boiler
CN110685617A Oil field well repairing operation device
CN110630190A Box elevator and well repair equipment
CN110656899A Automatic aligning and resetting device and hydraulic clamp body
CN110685619A Automatic hydraulic pliers with punching and buckling functions
CN110285049A Forcibly close inlet valve and slant hole pump
CN110067520A A kind of oil well repairing operation automatized shaft mouth operation device
CN109779542A Hydraulic tongs
CN109338425A A kind of zinc-nickel, nickel tungsten electroplate liquid and preparation method thereof and electro-plating method