Inventor

ROBERSON MARK W

US39 patents

⚠️ This page may combine multiple inventors who share the name “ROBERSON MARK W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROBERSON MARK W

HALLIBURTON ENERGY SERVICES INC

Methods and systems for detecting RFID tags in a borehole environment

Methods and apparatus for evaluating downhole conditions with RFID MEMS sensors

Downhole wireless communications using surface waves

Methods and apparatus for evaluating downhole conditions through fluid sensing

Timeline from slumber to collection of RFID tags in a well environment

Methods and apparatus for evaluating downhole conditions through RFID sensing

Algorithm for zonal fault detection in a well environment

Determining characteristics of a fluid in a wellbore

Casing coupling having communication unit for evaluating downhole conditions

Dynamic sensing of the top of cement (TOC) during cementing of a well casing in a well bore

Downhole fluid detection using surface waves

Dual-frequency tags to detect cement curing in wellbore applications

Sensor coil for inclusion in an RFID sensor assembly

Electromagnetic telemetry for sensor systems deployed in a borehole environment

Multi-coil RFID sensor assembly

Synchronizing downhole communications using timing signals

Zonal representation for flow visualization

Geometric shaping of radio-frequency tags used in wellbore cementing operations

Determining characteristics of a fluid in a wellbore

Magnetic surface wave effect to probe fluid properties in a wellbore

Downhole communications using frequency guard bands

Downhole communications using selectable modulation techniques

Antenna for downhole communication using surface waves

System and method for communicating along a casing string including a high magnetic permeability substrate

Downhole communications using variable length data packets

Repeater for a wellbore

Downhole communications using selectable frequency bands

TEKTRONIX INC

Structure for a PALC display panel having a helium filling doped with hydrogen

Structure for a PALC display panel having a helium filling doped with hydrogen

Cathode structure for a plasma addressed liquid crystal display panel

Method of fabricating a channel member for a PALC display panel

Plasma addressed liquid crystal display panel with integrated source of hydrogen

Conductive anode for a PALC display panel using hydrogen-doped helium gas

MCNC

Methods for modulating a radiation signal

Modulatable reflectors and methods for using same

Hybrid microelectromechanical system tunable capacitor and associated fabrication methods

Impedance control devices for use in the transition regions of electromagnetic and optical circuitry and methods for using the same

Three dimensional multimode and optical coupling devices

RES TRIANGLE INST

Three dimensional multimode and optical coupling devices