Dispersing fragrances

Dissolving gas in a liquid

Distributor for improved water therapy

Down-drafting constant vacuum type diaphragm carburettor

Drain hose assembly

Drop line devices

Droplet injection system for evaporative cooling of animals

Dry out mechanism for humidifier

Dry out mechanism for humidifier

Dual layered drainage collection system

Dual volume carburetor priming system

Durable portable pressurized mist cooling device

Dust control unit

Dynamic diffuser of a substance such as a perfume

Dynamic sprayer for an odoriferous substance with low energy...

Efficiency and utilization of cooling towers

Efficiently packaged humidifier device

Electric heating and humidifying apparatus

Electrical air freshener device

Electrical air freshener for automobiles