Inventor

WALKER DAVID J

US56 patents

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

WALKER DAVID J

BABCOCK & WILCOX CO

Circulating fluidized bed reactor with internal primary particle separation and return

Wall protection from downward flowing solids

Indirect cooling of primary impact type solids separator elements in a CFB reactor

Internal impact type particle separator

Impingement type solids collector discharge restrictor

CFB with controllable in-bed heat exchanger

CFB impact type particle collection elements attached to cooled supports

Compact footprint CFB with mechanical dust collector

Particulate collector channel with cooling inner elements in a CFB boiler

Erosion protection at line discontinuity for enclosure and internal walls in fluidized bed combustors and reactors

Controlled discharge from a standpipe containing particulate materials

Circulating fluidized bed reactor with plural furnace outlets

Bubble cap assembly

Cooled tubes arranged to form impact type particle separators

Transport conduit for hot particulate material

Wall protection from downward flowing solids

Means for vertically supporting a segmented high-temperature internal conduit

Wetted particle and droplet impingement surface

Floored impact-type solids separator using downward expanding separator elements

KLA TENCOR

Multi-pixel methods and apparatus for analysis of defect information from test structures on semiconductor devices

Stepper type test structures and methods for inspection of semiconductor integrated circuits

Dual probe test structures for semiconductor integrated circuits

Continuous movement scans of test structures on semiconductor integrated circuits

Multiple directional scans of test structures on semiconductor integrated circuits

Test structures and methods for inspection of semiconductor integrated circuits

BJ SERVICES CO

Bi-directional ball seat system and method

Bi-directional ball seat system and method

Multi-zone, single trip well completion system and methods of use

Multi-zone, single trip well completion system and methods of use

KLA TENCOR CORP

Apparatus and method for secondary electron emission microscope

Apparatus and method for secondary electron emission microscope

Apparatus and method for secondary electron emission microscope

Apparatus and method for secondary electron emission microscope

COMMSCOPE TECHNOLOGIES LLC

Flat panel array antenna with integrated polarization rotator

Flat panel array antenna with integrated polarization rotator

Radome—reflector assembly mechanism

3-D printing process for forming flat panel array antenna

KLA TENCOR TECH CORP

Multiple directional scans of test structures on semiconductor integrated circuits

Test structures and methods for inspection of semiconductor integrated circuits

Multiple directional scans of test structures on semiconductor integrated circuits

MCDERMOTT TECHNOLOGY INC

Circulating fluidized bed furnace/reactor with an integral secondary air plenum

Drainable discharge pan for impact type particle separator

BABCOCK & WILCOX POWER GENERAT

Integrated fluidized bed ash cooler

Black plant steam furnace injection

KLA TENCOR TECHNOLOGIES INC

Multiple directional scans of test structures on semiconductor integrated circuits

SCHERER CORP R P

Encapsulation apparatus and process

BACOCK & WILCOX COMPANY

Circulating fluidized bed reactor with floored internal primary particle separator

USS ENG & CONSULT

Measuring the thickness of hot slag in steelmaking

WALKER DAVID J

Closed-cycle MHD-faraday generation of electric power using steam as the gaseous medium

ELECTRICITY COUNCIL

Production of aluminium alloy strip