WESTECH ENGINEERING, INC.

modulated drive controls for electric or hydraulic drives for rotary distributors in process plants for use in the fields of minerals recovery, chemical processing, water and wastewater treatment

flocculation control system for use in the minerals recovery, chemical processing, waters and wastewater treatment industries primarily comprising computer hardware, software, and electrical and pneumatic machines to monitor, measure and adjust the addition and concentration of flocculent, which aids in flocculating and concentrating solid particles in sedimentation, flotation and filtration equipment

HORIZONTAL PRESSURE FILTERS FOR WATER FILTRATION

Water Treatment Plants and Associated Control Equipment

ROTARY DISTRIBUTOR FOR A TRICKLING FILTER

Components and parts for water treatment apparatuses in the nature of clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water comprising structural parts of water treatment tanks, namely, feed structures for receiving influent of water treatment tanks

Filter underdrains and filter underdrain components for filtration systems

Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water

Water purification units, namely, lime softening clarifiers

molded filter underdrain for media filter systems

filtering apparatus for use in water treatment plants; "ADSORPTION"

SELF-CONTAINED WATER TREATMENT PLANT FOR TREATING DRINKING WATER

PACKAGED WATER FILTERING PLANTS FOR POTABLE WATER

Self-Contained Water Treatment Plants

Control Units for Monitoring Water in Water Treatment Plants and Operating Chemical Feed Equipment in Response to Water Quality Determination

WATER FILTRATION APPARATUS FOR COMMERICIAL AND INDUSTRIAL USE

WATER TREATMENT APPARATUS FOR THE PRODUCTION OF POTABLE WATER AND INCLUDING FLOCCULATING, SETTLING AND FILTERING APPARATUS FOR COMMUNITY, COMMERCIAL AND INDUSTRIAL USES

WATER FILTRATION EQUIPMENT, COMPRISING A GROUP OF GRAVITY FILTERS ARRANGED AROUND A CONTROL COLUMN

Unitized or Packaged Plant for the Treatment of Water, Including the Removal of Iron and Odor from the Water

SLUDGE CLARIFIER COMPRISED OF A TANK CONTAINING A MOTOR-DRIVEN AGITATOR, BAFFLES AND PIPING INTO WHICH A LIQUID CONTAINING SLUDGE IS PASSED AND THE SLUDGE SEPARATED BY SEDIMENTATION FROM THE CLARIFIED EFFLUENT