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CNPC TUBULAR GOODS RES INSTITUTE

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    36,317
  • Filing trend
    ⇧ 7.0%
About

CNPC TUBULAR GOODS RES INSTITUTE has a total of 42 patent applications. It increased the IP activity by 7.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets measurement, mechanical elements and materials and metallurgy are TIANJIN YINKE XINCHUANG TECH CO LTD, METRICORR APS and AERODYNAMICS NAT KEY LAB.

Patent filings in countries

World map showing CNPC TUBULAR GOODS RES INSTITUTEs patent filings in countries
# Country Total Patents
#1 China 42

Patent filings per year

Chart showing CNPC TUBULAR GOODS RES INSTITUTEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Hongbo 18
#2 Bai Qiang 15
#3 Liu Qiang 15
#4 Song Shengyin 14
#5 Wang Pengbo 14
#6 Li Houbu 11
#7 Li Jike 10
#8 Yang Zhuanzhao 10
#9 Liu Yinglai 9
#10 Wang Chang'An 9

Latest patents

Publication Filing date Title
CN110763765A Seamless steel pipe multi-channel non-contact automatic ultrasonic detection system and method
CN110886967A Pipeline state sensing device and using method
CN110864655A Casing drift diameter thickness measuring device and sorting and repairing method for old stored casings
CN111220710A Pipeline stripping monitoring system and monitoring method
CN110763760A Reference block for electromagnetic ultrasonic automatic detection of in-service oil pipe and design method
CN110470202A A kind of round thread tooth form angle detection device and method
CN110579228A sensor mounting and protecting method for monitoring surfaces of pipelines with different specifications
CN110469779A A kind of gathering line monitoring multielement bar installation and protection location and device
CN110425974A A method of nonmetallic gathering line military service elongation strain is monitored on-line
CN110594593A Multi-element sensor embedding and protecting method for monitoring gathering and transportation pipeline
CN110487164A A kind of nonmetallic gathering line axial deformation on-Line Monitor Device
CN110469780A The installation of reducing sensor and protection location and device for the monitoring of more specification pipelines
CN110153634A A kind of pipeline girth weld welding repair method again
CN110174086A A kind of measuring device and measuring method at elbow curvature angle
CN109848650A A kind of processing method of Type B sleeve
CN109706344A High-strength, high-tenacity titanium alloy tubing and preparation method thereof for oil and gas development
CN109114317A A kind of corrosion-resistant oil pipe
CN108827125A A kind of coupling surface pit depth detection instrument and detection method
CN108931577A A kind of oil-gas transportation steel plate electromagnetic acoustic automatic checkout system and method
CN108798550A A kind of titanium alloy oil pipe anti-galling air-tight seal screw joint