PARKSON CORPORATION

water mixing equipment; "hydraulics"

Deflector used to help create the initial movement of solids on the rakes and scrapers during the wiper action, namely, flexible rake screens, used in water and wastewater treatment equipment; pusher used to help create movement of solids on the rakes and scrapers during wiper action, namely, flexible rake screens, used in water and wastewater equipment treatment

Integrated nitrification process using attached growth media, namely, Moving Bed Biofilm Reactor (MBBR), in conjunction with aerated earthen basins (lagoons) for use in wastewater treatment

Chain reaction device used to hold chain and rakes into the bar rack on a vertical unit in the nature of a flexible rake screen for use with water and wastewater equipment

Bioreactor for use in the treatment of wastewater

process control instrumentation and parts therefore, namely, computer software, hardware and electronic control for controlling the supply of oxygen and chemicals for industrial and municipal water treatment plants

Water filtering apparatus; "AQUA"

"AQUA"

Electrical integrated control systems for use in treatment plants for the removal of contaminants included in liquid and gaseous municipal and industrial waste streams, and structural parts therefor

Equipment and parts therefor for use in treatment plants for the removal of contaminants included in liquid and gaseous municipal and industrial waste streams, namely, water filtration equipment

Water treatment equipment and parts therefor for use in treatment plants for the removal of contaminants included in liquid and gaseous municipal and industrial waste streams, namely, biological waste water processing and treatment equipment; "CONTINUALLY SEQUENCING REACTOR"

Water treatment equipment and parts therefor for use in treatment plants for the removal of contaminants included in liquid and gaseous municipal and industrial waste streams, namely, filtration equipment

Water treatment equipment and parts therefor, namely, headworks and separation equipment, equipment for removal of grit, grease and solids and solids handling equipment, for use in treatment plants for the removal of contaminants included in liquid and gaseous municipal and industrial waste streams

Waste and wastewater treatment apparatus, namely, gravity settlers for liquid and solids separation for industrial and municipal use

Ultrasonic sensors and control units used for the monitoring and control of sand movement in sand filtration systems used in water and wastewater treatment

Class 007: Wastewater treatment apparatus, namely, washing and dewatering screw press to separate putrescible organic matter from screenings for wastewater treatment purposes

Continuous sand filter for water purification using an intermittent and programmable air lift system for cleaning

mechanical equipment for the removal of settled sludge in water and wastewater treatment

modular filtration system for the treatment of water and wastewater in municipal and industrial applications

Modular filtration system for the treatment of water and wastewater in municipal and industrial applications, comprised of dual continuously self-cleaning, up flow sand filters and a rejects treatment device

"AQUA"

Class 011: fixed film, moving bed biological reactor for the biological treatment of wastewater

Class 007: CONVEYORS FOR LOADING SOLIDS

Class 007: Conveyors for loading solids

Class 007: Conveyors for loading solids

Class 007: Conveyors for loading solids

MEMBRANE TYPE AIR DIFFUSERS FOR WASTEWATER TREATMENT; "FLEX"

Panel-configured aeration diffuser used in wastewater treatment systems

CONSTRUCTION OF WATER TREATMENT PLANTS AND PARTS THEREFOR FOR THE REMOVAL AND/OR REDUCTION OF CONTAMINANTS INCLUDED IN MUNICIPAL AND INDUSTRIAL WATER SUPPLIES AND WASTEWATER EFFLUENTS; TECHNICAL CONSULTATION SERVICES, NAMELY, EVALUATING AND DESIGNING WATER TREATMENT PLANTS FOR THE TREATMENT OF INDUSTRIAL AND MUNICIPAL WATER SUPPLIES AND WASTEWATER EFFLUENTS

wastewater treatment systems comprised of basins, aeration diffusers and clarifier/settling tank

wastewater treatment systems comprised of basins, aeration diffusers and clarifier/settling tank

waste water treatment apparatus, namely, sand washers

grid screens for industrial water treatment units for use in the removal of solid contaminants included in municipal and industrial waste water; "GRID"

waste water treatment units and parts therefor for use in collecting, washing, compacting and drying solids for landfill disposal; "CLEAN"

wastewater treatment system basin

air diffuser used in wastewater treatment systems

waste water treatment plants and parts therefor for the removal of solid contaminants included in municipal and industrial waste water; "FILTER"

sewage influent cleaning machine

machine for use in a waste water treatment system for the reduction of biological solid waste to a liquid

floating clarification device; namely, a unit for separation of solids and liquids in the waste water treatment industry

wastewater treatment apparatus; namely, a dewatering press for solids

self-contained wastewater treatment apparatus for solids screening and washing by means of a pump impeller

wastewater treatment apparatus for solids, screening, and washing by means of a pump impeller installed in a channel

wastewater treatment apparatus; namely, a self-contained municipal and industrial wastewater prescreening sieve

combination septage receiving station and sand separator

industrial waste water filtering units; namely, sand separator tanks

wastewater treatment apparatus; namely, conveyors used to transport municipal and industrial pulp and paper-type solids

wastewater treatment apparatus; namely, an open-channel municipal and industrial wastewater prescreening sieve

wastewater processing system

machines for de-watering and compressing solids which have been screened from a wastewater stream

water treatment services

waste water treatment plant equipment and parts therefor for the treatment of liquid and solid contaminants included in municipal and industrial waste water

combination screen and compactor used in waste water treatment systems

WASTE WATER TREATMENT PLANTS AND PARTS THEREFOR FOR THE TREATMENT OF LIQUID AND SOLID CONTAMINANTS INCLUDED IN MUNICIPAL AND INDUSTRIAL WASTE WATER

WASTE WATER TREATMENT PLANTS AND PARTS THEREFOR FOR THE TREATMENT OF LIQUID AND SOLID CONTAMINANTS INCLUDED IN MUNICIPAL AND INDUSTRIAL WASTE WATER

Class 011: MECHANICAL EQUIPMENT, NAMELY, A FILTER SCREEN WHICH REMOVES SUSPENDED AND SOLID MATERIALS FROM A LIQUID STREAM

Class 007: AERATION CHAINS MADE OF HOSE AND FLOAT ASSEMBLIES WHICH SUPPORT FINE BUBBLE DIFFUSERS; AIR PIPING MANIFOLD, BLOWERS, PARTITION WALLS, SLUDGE REMOVERS, RAKES AND OVERFLOW WEIRS USED IN WASTEWATER TREATMENT; Class 009: [ ELECTRICAL CONTROL PANEL FOR WASTEWATER TREATMENT EQUIPMENT ]

STATIC AERATORS FOR USE IN WATER OXYGENATION

Drum Screen for Separating Liquids and Solids

Rotary Self-Cleaning Solids Recovery Screens

Solids Dewatering Products, Specifically Rotary Self-Cleaning Solids Recovery Screens, Disc Strainers, Stationary Self-Cleaning Screens and Solids Dewatering Presses

SAND FILTERS FOR CONTINUOUS REMOVAL OF SUSPENDED MATTER FROM A LIQUID

Gravity Settlers for Liquid/Solids Separation for Industrial and Municipal Use