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XACT DOWNHOLE TELEMETRY INC

Overview
  • Total Patents
    63
  • GoodIP Patent Rank
    46,861
  • Filing trend
    ⇩ 83.0%
About

XACT DOWNHOLE TELEMETRY INC has a total of 63 patent applications. It decreased the IP activity by 83.0%. Its first patent ever was published in 2003. It filed its patents most often in Canada, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, measurement and machines are VENTORA TECH AG, SCIENT DRILLING INT INC and HALLIBURTON ENERGY DEVICES INC.

Patent filings in countries

World map showing XACT DOWNHOLE TELEMETRY INCs patent filings in countries

Patent filings per year

Chart showing XACT DOWNHOLE TELEMETRY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Camwell Paul L 27
#2 Van Zelm John-Peter 16
#3 Neff James M 12
#4 Mcrory John Godfrey 11
#5 Drumheller Douglas S 10
#6 Whalen David D 7
#7 Camwell Paul 7
#8 Xiao Xiaojun 5
#9 Logan Derek W 5
#10 Reeves Michael 4

Latest patents

Publication Filing date Title
WO2018068147A1 Method and apparatus for pre-loading a piezoelectric transducer for downhole acoustic communication
WO2017147721A1 Method and system for controlling voltage applied across a piezoelectric stack of a downhole acoustic transmitter
EP2972515A1 Robust telemetry repeater network system and method
EP2971500A1 Acoustic receiver for use on a drill string
WO2015134030A1 Downhole low rate linear repeater relay network timing system and method
EP2961925A1 Range positioning tool for use within a casing or liner string
US2015377017A1 Acoustic transmitter for transmitting a signal through a downhole medium
US2014153369A1 Downhole low rate linear repeater relay network timing system and method
CA2796261A1 Tapered thread em gap sub self-aligning means and method
CA2714984A1 Apparatus and method for acoustic telemetry measurement of well bore formation debris accumulation
CA2765605A1 Air hammer optimization using acoustic telemetry
CA2692937A1 Acoustic telemetry stacked-ring wave delay isolator system and method
CA2692907A1 System and method for accurate wellbore placement
CA2691410A1 Parallel-path acoustic telemetry isolation system and method
CA2685688A1 Improved downhole timing recovery and signal detection
CA2628997A1 Drill string telemetry method and apparatus
US2007258326A1 Telemetry wave detection apparatus and method
US2008013403A1 Telemetry transmitter optimization using time domain reflectometry
US2008025148A1 Dynamic efficiency optimization of piezoelectric actuator
US2007257809A1 Acoustic telemetry system optimization