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BAOJI SAFE PETROLEUM MACHINERY CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    107,636
About

BAOJI SAFE PETROLEUM MACHINERY CO LTD has a total of 19 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 and measurement are VERTECHS OIL & GAS TECH CO LTD, VEZERFORD TEKNOLODZHI KHOLDINGZ ELELSI and PEAK WELL SOLUTIONS AS.

Patent filings in countries

World map showing BAOJI SAFE PETROLEUM MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing BAOJI SAFE PETROLEUM MACHINERY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Li Jianbo 13
#2 Zhang Dawei 9
#3 Jiang Xijun 8
#4 Wu Sheping 4
#5 Yao Jianfeng 3
#6 Lei Xingang 3
#7 Ge Xu 3
#8 Zhang Qiujuan 2
#9 Zhao Yonggang 2
#10 Wang Wanning 2

Latest patents

Publication Filing date Title
CN112177556A Wellhead grabbing and lifting operation mode of pumping cable blowout preventer
CN111155956A Double-piston composite double-ram blowout preventer and method for suspending oil pipe and sealing wellhead
CN110566152A Metal sealing high-pressure pipe cable hanger
CN109779548A A kind of long-range plug-in connector of well head and the long-range well head connection of blowout hookup and operational method
CN109113663A A kind of cable is strike-off device
CN109695427A A kind of lubricator vertical lifting system
CN108533196A A kind of lubricator string well head alignment device and its alignment method
CN108535283A A kind of crude oil stock tank oil (s.t.o.) device for detecting water content and its detection method
CN105401910A Double-card removable oil pipe obstruction device
CN104929576A Hydraulic-control dual-clack valve
CN104929560A Sand-prevention blanking plug
CN104453768A Three-slip continuous oil pipe hanger
CN104251127A Controllable hydraulic packer
CN104314545A Hydraulically-controlled continuous ball-throwing device
CN103982156A BOP (Blowout Preventer) gate plate body guiding structure
CN103953317A High-reliability hydraulic ejector
CN103252295A Anti-disengaging sealed nozzle structure
CN102644455A Hydraulic control rotary ball injector
CN102337850A Titanium alloy blowout-prevention pipe