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CANRIG DRILLING TECH LTD

Overview
  • Total Patents
    231
  • GoodIP Patent Rank
    16,056
  • Filing trend
    ⇩ 100.0%
About

CANRIG DRILLING TECH LTD has a total of 231 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1995. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, electrical machinery and energy and machines are BROWN OIL TOOLS, OTIS ENG CO and RASMUSSEN CHESTER A.

Patent filings per year

Chart showing CANRIG DRILLING TECH LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kuttel Beat 54
#2 Ellis Brian 32
#3 Hunter Douglas A 30
#4 Yousef Faisal J 25
#5 Boone Scott G 19
#6 Larkin Brendan 17
#7 Pace Gary 16
#8 Richardson Allan S 14
#9 Williams Kevin 14
#10 Weems Craig 13

Latest patents

Publication Filing date Title
US2017229869A1 Micro grid power optimization
US2017002612A1 Active monitoring of alignment of rig component
US2017243383A1 3D toolface wellbore steering visualization
US2016197570A1 High speed ratio permanent magnet motor
US2016031686A1 Direct drive drawworks with bearingless motor
CA2896235A1 Active monitoring of heavy weight lubrication oil
US2015376987A1 Ruggedized housing
WO2015153778A1 A method for controlling torque in permanent magnet motor drives
US2015275647A1 Stiction control
US2015267490A1 Back pressure control system
CA2939850A1 Predictive landing failsafe
CA2939670A1 Low inertia direct drive drawworks
US2015263650A1 Predictive Landing Failsafe
CA2941463A1 Multi-speed electric motor
US2015263660A1 Multi-speed electric motor
CA2942356A1 System for operating a top drive assembly for subterranean operations
US2016237802A1 Drill pipe oscillation regime and torque controller for slide drilling
WO2015120162A1 Internal closed loop cooling
CN106165231A Generator loading controls
US2015222154A1 Methods for coupling permanent magnets to a rotor body of an electric motor