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PERTOLEUM MACHINERY RES INST SINOPEC OILFIELD EQUIPMENT CORP

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    65,554
About

PERTOLEUM MACHINERY RES INST SINOPEC OILFIELD EQUIPMENT CORP has a total of 25 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, environmental technology and thermal processes are SHAANXI AEROSPACE DELIN SCIENCE AND TECH GROUP CO LTD, STONE & WEBSTER ENG LTD and LIAONING PETROLEUM EQUIPMENT INST CO LTD.

Patent filings in countries

World map showing PERTOLEUM MACHINERY RES INST SINOPEC OILFIELD EQUIPMENT CORPs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing PERTOLEUM MACHINERY RES INST SINOPEC OILFIELD EQUIPMENT CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Zhenglu 11
#2 Li Hong 8
#3 Ren Xiaoling 7
#4 Hu Qiong 6
#5 Qian Weiqiang 6
#6 Pan Lingyong 5
#7 Li Wenquan 5
#8 Xu Jian 5
#9 Che Qiang 4
#10 Chi Shenggao 4

Latest patents

Publication Filing date Title
CN106242132A A kind of processing method of fracturing outlet liquid
CN106437490A Integrated hydraulic power system for mechanical drilling machine
CN106393978A Wireless manual jet-printing operation executive system and method for large-caliber welded pipe
CN106315934A Experiment device for treatment of fracturing flow-back fluid
CN106246106A A kind of pulsed hydraulic jet drilling tool
CN105927161A Telescopic combined derrick and rotary-lifting and lifting method thereof
CN105971520A Drilling machine structure for geothermal well drilling
CN105975671A Method for calculating strength of high-pressure manifold union connection structure and threads for fracturing operation
CN105909186A Pressure relief type shock absorber for drill stems
CN106052432A Micro-channel heat exchanger with cross runners
CN105927145A Electric drilling speed increasing system
CN105000627A Ozone oxidation reactor
CN104989836A Flat gate valve for underwater sand prevention
CN105019844A Pressure-containing replacing device for main control valve of shale gas wellhead
CN105089501A Hydraulic oscillator
CN104806192A Lifting valve eccentric type downhole blowout preventer
CN104790874A Electricity-burning-mechanical energy comprehensive rock breaking drill
CN104775759A Comprehensive rock breaking drill bit
CN104819656A Boundary layer reversal slotted fin
CN104790875A Electrical heat energy-mechanical energy comprehensive rock breaking drill