Inventor

FERNALD MARK R

US89 patents

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

FERNALD MARK R

CIDRA CORP

Compression-tuned bragg grating and laser

Tube-encased fiber grating

Multi-core waveguide

Temperature compensated optical device

Compression-tuned Bragg grating and laser

Apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe

Apparatus and method for measuring settlement of solids in a multiphase flow

Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors

Strain-isolated Bragg grating temperature sensor

Bragg grating pressure sensor for industrial sensing applications

Optical filter device having creep-resistant optical fiber attachments

Creep-resistant optical fiber attachment

Method and apparatus for forming a tube-encased bragg grating

Bragg grating-based laser

Apparatus having a multi-band sensor assembly for measuring a parameter of a fluid flow flowing within a pipe

Compression-tuned grating-based optical add/drop multiplexer

Method for annealing an optical waveguide having a bragg grating to accelerate ageing

WEATHERFORD LAMB

Bragg grating pressure sensor

Method and apparatus for interrogating fiber optic sensors

Fused tension-based fiber grating pressure sensor

Optical differential pressure sensor

Optical sensor having differing diameters

Pressure-isolated bragg grating temperature sensor

Fabry-Perot sensing element based on a large-diameter optical waveguide

Fluid diffusion resistant glass-encased fiber optic sensor

Pressure-isolated bragg grating temperature sensor

Optical sensor device having creep-resistant optical fiber attachments

Fluid diffusion resistant glass-encased optical sensor

Fluid diffusion resistant glass-encased optical sensor

ROTHMAN PAUL J

Mineral separation using functionalized filters and membranes

Synthetic beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interest

Mineral recovery in tailings using functionalized polymers

Synthetic bubbles or beads having hydrophobic surface

CIDRA CORPORATE SERVICES INC

Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors

Method and apparatus for measuring a parameter of a fluid flowing within a pipe

Wear monitoring with rotational sensor and sensor thickness

UNITED TECHNOLOGIES CORP

Optical fiber grating based sensor

Common optical path interferometric gauge

FERNALD MARK R

Optimizing acoustic efficiency of a sonic filter or separator

Sonic filter for measuring and capturing particles having a particular particle size in a fluid, mixture or process flow

DAVIS MICHAEL A

Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors

Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors

HOWTEK INC

Digitizing scanner

(unassigned)

Fiber optic bragg grating pressure sensor

KERSEY ALAN D

Tunable optical filter having large diameter optical waveguide with bragg grating and being configured for reducing the bulk modulus of compressibility thereof

HUGHES DANBURY OPTICAL SYST

Optical beam homogenizing apparatus and method

EXPRO METERS INC

Apparatus having an array of piezoelectric film sensors for measuring parameters of a process flow within a pipe

RAYTHEON CO

Infrared seeker

LOOSE DOUGLAS H

Applications of pump performance monitoring

CIDRA COPORATE SERVICES INC

Re-lined pipe technique for wear mitigation in slurry transport pipeline