Carburettor

Chemical refill system

Compact venturi-type scrubber

Compound carburetor

Control means for secondary throttle

Control system for an absorption column

Control system for secondary transfer port in dual carburetor

Cooling tower

Cooling tower construction and fill

Cross-flow cooling tower with reduced upper inboard fill section

Cyclic aeration system for submerged membrane modules

Cyclic aeration system for submerged membrane modules

Device for introducing a gaseous substance in a fluid and...

Diaphragm carburetor for an internal combustion engine that...

Diaphragm means for driving a secondary throttle valve in a two-

Diffused aeration system

Diffused bubble aeration system

Direct contact water-to-air heat exchanger and method

Distributor for micro-quantities of liquid

Downflow heater plant for briefly heating a liquid with steam