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Wound polypropylene yarn filter cartridge and method for...

Liquid purification or separation – Filter – With central pervious tubular receiver
Reexamination Certificate

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Wrap member having openings

Liquid purification or separation – Plural distinct separators – Filters
Patent

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Wringer bowl assembly

Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent

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Wringer bowl assembly for use in a centrifugal separator

Liquid purification or separation – With repair or assembling means
Patent

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Xylylene based polyether membranes for gas separation

Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent

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Yogurt separator device

Liquid purification or separation – Filter – Portable receptacle draining type
Patent

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Zebra mussel control device for water intakes

Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...
Patent

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Zeolite bed leach septic system and method for wastewater treatm

Liquid purification or separation – Processes – Treatment by living organism
Patent

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Zeolite bed leach septic system and method for wastewater...

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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Zeolite containing composition with a selectivity enhancing coat

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent

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Zeolite enhanced organic biotransformation

Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent

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Zeolite membrane with a selectivity enhancing coating

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent

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Zero brine, zero rinse water process for treatment of...

Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate

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Zero energy input flocculator

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent

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Zero excess sludge membrane bioreactor

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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Zero void column end plate for chromatography

Liquid purification or separation – With means to add treating material – Chromatography
Patent

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Zero waste effluent desalination system

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent

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Zero waste effluent water desalination system

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent

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Zero waste reverse osmosis system and downstream rinsing

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate

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Zero waste reverse osmosis water filtering

Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Reexamination Certificate

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