Dimple plate horizontal evaporator effects

Dimpled plate multi-staged flash evaporator

Diolefin separating process

Dioxole/tfe copolymer composites

Dip tube filter for manually actuated dispenser

Direct burial outdoor membrane pressurization system

Direct centrate/filtrate return

Direct oxidation method for converting sulphur compounds...

Direct oxidation of sulphur compounds that is less than...

Direct-flushing filter and discs particularly useful therein

Directional flow fluid filter

Dirt compactor unit for vacuum cleaning systems

Dirt drawer latch for vacuum cleaner

Dirt filter for water pipes

Disc concentrators

Disc filter

Disc filter

Disc filter and filter element for disc filter

Disc filter element for a rotatable disc filter

Disc filter sector