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Duplex filter assembly

Liquid purification or separation – With repair or assembling means – Hoist or handle means
Patent

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Duplex filter system

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Fluid pressure responsive
Patent

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Duplex seal for a bag-type filter system

Liquid purification or separation – With repair or assembling means – Hoist or handle means
Patent

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Duplex strainer

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Fluid pressure responsive by-pass
Patent

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Duplex strainer

Liquid purification or separation – Serially connected distinct treating with or without storage... – Parallel
Patent

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Duplex strainer

Liquid purification or separation – Plural distinct separators – Filters
Patent

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Duplex strainer

Liquid purification or separation – Serially connected distinct treating with or without storage... – Parallel
Reissue Patent

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Durable filtration membrane having optimized molecular weight

Liquid purification or separation – Filter – Material
Patent

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Dyestuff refining system

Liquid purification or separation – Constituent mixture variation responsive
Patent

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Dyestuff waste water purification

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

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Dyna-mag activator

Liquid purification or separation – Magnetic – With additional separator
Reexamination Certificate

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Dynamic action filtration system

Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With spaced non-particulate separating means
Patent

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Dynamic bed reactor

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

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Dynamic bubble trap

Liquid purification or separation – Tangential flow or centrifugal fluid action
Reexamination Certificate

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Dynamic clarifier system

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent

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Dynamic control of membrane bioreactor system

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

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Dynamic dense media separator

Liquid purification or separation – Tangential flow or centrifugal fluid action – Multiple cyclone
Patent

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Dynamic filter separator and separation process

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

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Dynamic filter system

Liquid purification or separation – With repair or assembling means
Patent

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Dynamic filter system

Liquid purification or separation – Casing divided by membrane into sections having inlet – Rotating mechanical agitator adjacent membrane
Patent

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