Easily maintained bubble-cap column for the distillation of clog

Ecological quality improvement of water for domestic use

Economical apparatus for producing improved combustion and...

Ejector mixer for gases and/or liquids

Enclosed space for mixing and distribution of a gaseous...

Energy efficient phase transfer/dispersion systems and methods f

Enhanced gas dissolution

Enhanced gas-liquid mixing under variable liquid operating level

Environmental control unit and method

Environmental remediation method and apparatus

Equipment of multi-rotors zigzag high-gravity rotating beds

Ergonomically operating portable humidifier

Evaporation air humidifier

Evaporation air humidifier

Evaporative air cooler

Evaporative air-conditioner water bleed-off system

Evaporative carburetor for combustion engines

Evaporative cooler

Evaporative cooler

Evaporative cooler