Downhole tools used in the drilling of oil and gas wells for steerable rotary drilling, namely, a rotary steerable drilling machine; downhole motors, namely, turbines for drilling oil and gas wells; power operated downhole well drilling tools, namely, a rotary steerable drilling machine; turbine alternators; vacuum machines for separating and removing air, water, solvents, light petrocarbons and particulate contaminants from hydraulic oil, namely, vacuum pumps, vacuum filling machines consisting of a device that provides a means to fill the compensation reservoir of a downhole tool with clean, air-free oil, and vacuum sealers for industrial purposes; specialty components for downhole drilling equipment, namely, metallic rotary seals being mechanical seals

Oil and gas well downhole survey and measurement equipment; measurement while drilling equipment, namely, rotary pulsers being devices for signaling and transmitting data from a well to the surface, flow switches for detecting the flow of drilling fluids, and vibration isolators to support equipment used while drilling; surface equipment for downhole well surveying and measurement, namely, transducers, decoders, geolograph encoders, hydraulic pressure sensors, and computers and electric sensors that decode, monitor, record and plot downhole data relating to wellbore azimuth, wellbore inclination, natural gamma radiation, formation resistivity, rate of penetration, hole depth, weight on bit, torque on bit bending on bit on bottom data, bit depth, temperature and vibration; equipment for subterranean drilling operations, namely, encoders, hydraulic pressure sensors, data transfer equipment being pressure level transmitters and depth measuring gauges and sensors that monitor and record rate of penetration, hole depth, weight on drill bit, on bottom level data, drill bit depth, hook load, and block height; computer hardware and downloadable computer programs for recording, logging, monitoring and evaluating subterranean drilling operations, namely, gamma readings, resistivity readings, drilling mud data, pressure readings, directional tracking, shock, vibration, temperature, weight on bit, and torque on bit; monitoring equipment for use in oil and gas drilling, namely, computer hardware, pressure sensors, mud pumps for detecting and measuring flow while drilling, and downloadable computer software for monitoring the proper functioning of oil and gas drilling equipment; downloadable computer software for designing downhole equipment, for establishing tool build rate limits for downhole equipment, and for analyzing failures of equipment; battery housings; computer hardware in the nature of rig floor computer display monitors; magnetometers; pressure sensors; computer assisted measurement guidance devices, namely, electronic proximity sensors for detecting parameters in a downhole well and telemetry devices in the nature of telemeters; equipment used in the downhole drilling of oil and gas wells, for measuring, calculating and recording vibrations, pressure, resistivity, direction, gamma radiation and temperature while drilling, namely, proximity sensors, sensors for detecting vibrations, and sensors for measuring pressure, temperature, gamma radiation, and resistivity

Design, testing, and development for others for new product development in the field of electromechanical hardware and sensor technology, namely, design, testing and development of pressure sensors, temperature sensors, and resistivity sensors; consultation relating to the provision of measurements and downhole telemetry while drilling oil and gas wells, none of the foregoing relating to utility or power generation, transmission or distribution services