Arrangement for supporting a plurality of discharge...

Arrangement for suspending and controlling precipitation...

Arrangement in electrofilters

Arrangement in emission electrodes for electrostatic...

Arrangement in emitting electrodes for electrostatic...

Arsenide depression in flotation of multi-sulfide minerals

Aryl monosulfonate collectors useful in the floatation of...

Asphaltite treating

Assembly and method for electrically degassing particulate...

Assembly for differential housing mechanism

Assembly for sealing a roller bearing

Assisted-siphon vacuumed oscillating-pan ore washing

Automated solid and liquid waste separation by gravity solvent

Automatic control system for electric precipitators

Automatic density control system for a froth flotation vessel

Automatic discharge valve in liquid suspension separator for...

Automatic electrical precipitators

Automatic method for separating and cleaning silicon carbide...

Automatic sorting system for plastic pellets

Automatic voltage controller for precipitator