| SYMPHONY WELLDYNAMICS, B.V.
78435255 15 Jun 2004 | on 12 Oct 2012 | Electronic programmable memory recorder used for recording downhole pr... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Electronic programmable memory recorder used for recording downhole pressure and temperature in oil and gas well testing and drilling operations | | | OPTOLOG WELLDYNAMICS, B.V.
78435187 15 Jun 2004 | on 12 Oct 2012 | Electronic temperature monitoring system, namely, gauges, sensors, and... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Electronic temperature monitoring system, namely, gauges, sensors, and meters that gather well data and allow for continuous temperature profiles in oil and gas well testing and drilling operations | | | FASTQ WELLDYNAMICS, B.V.
78435486 15 Jun 2004 | on 12 Oct 2012 | Multiphase flow meter used to measure and monitor volumes and rates of... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Multiphase flow meter used to measure and monitor volumes and rates of fluids in oil and gas well testing and drilling operations | | | OPTOCOIL WELLDYNAMICS, B.V.
78690731 11 Aug 2005 | on 21 Jul 2008 | Fiber optic monitoring system, namely, gauges, sensors, and meters tha... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Fiber optic monitoring system, namely, gauges, sensors, and meters that gather, monitor, and transmit pressure and temperature data in oil and gas well testing and drilling operations | | | FIBERSTREAM WELLDYNAMICS, B.V.
78459368 30 Jul 2004 | on 14 Apr 2008 | Fiber optics and tubing for measuring the pressure and temperature of ... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products FIBER STREAM | | | FIBERSTEM WELLDYNAMICS, B.V.
78459387 30 Jul 2004 | on 07 Apr 2008 | Fiber optic downhole system, comprised of fiber optic sensors and capi... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Fiber optic downhole system, comprised of fiber optic sensors and capillary tubing used for measuring the pressure and temperature of oil, gas, and geothermal wells. | | | OPTOPULSE WELLDYNAMICS, B.V.
78435295 15 Jun 2004 | on 25 Feb 2008 | Fiber optic monitoring system, namely, gauges, and sensors that gather... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Fiber optic monitoring system, namely, gauges, and sensors that gather, monitor, and transmit pressure and temperature data in oil and gas well testing operations | | | SUNRISE WELLDYNAMICS, B.V.
78435451 15 Jun 2004 | on 23 Aug 2007 | Electronic sensors, namely, used for gathering, monitoring, and record... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Electronic sensors, namely, used for gathering, monitoring, and recording downhole pressure and temperature in oil and gas well testing and drilling operations | | 
