Double funnel with baffle cascade aeration unit

Double-deck distributor and method of liquid distribution

Double-fold construction for a contact body element

Down-draft carburetor

Down-drafting constant vacuum type diaphragm carburettor

Down-flow batch mixing system

Downcomer distributor

Downcomer for chemical process tower

Downcomer for chemical process tower and method of forming the s

Downcomer to a plate column

Downcomer-tray assembly and method

Downcomers for vapor-liquid contact trays

Downcomers for vapor-liquid contact trays

Downdraft carburetor for internal combustion engines

Downflow heater plant for briefly heating a liquid with steam

Draft device for a bubble column

Drain hose assembly

Drainage collection system

Drainless humidifier with water level sensing

Drift eliminator support, drainboard and seal unit for water coo