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Filter frame and replaceable filter sheets

Gas separation: processes – Filtering
Patent

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Filter housing assembly for use in oxygen concentrators and...

Gas separation: processes – Filtering
Reexamination Certificate

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Filter material and process for producing No.sub.2 -free gases o

Gas separation: processes – Solid sorption – Inorganic gas or liquid particle sorbed
Patent

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Filter material and process for removing ozone from gases and li

Gas separation: processes – Filtering
Patent

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Filter material and process for removing ozone from gases and li

Gas separation: processes – Solid sorption – Inorganic gas or liquid particle sorbed
Patent

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Filter material for motor vehicles

Gas separation: processes – Solid sorption – Including reduction of pressure
Patent

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Filter materials for adsorbing hydrocarbons

Gas separation: processes – Solid sorption – Organic gas or liquid particle sorbed
Reexamination Certificate

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Filter media including silicone and/or wax additive(s)

Gas separation: processes – Filtering – Coated or chemically treated filter
Reexamination Certificate

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Filter medium for turbine and methods of using and producing...

Gas separation: processes – Filtering – Plural separate media
Reexamination Certificate

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Filter membrane

Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...
Reexamination Certificate

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Filter service system

Gas separation: processes – Filtering – With cleaning of filter
Reexamination Certificate

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Filter service system and method

Gas separation: processes – Filtering – With cleaning of filter
Reexamination Certificate

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Filter structure with two or more layers of fine fiber...

Gas separation: processes – Filtering
Reexamination Certificate

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Filter system

Gas separation: processes – Filtering – Plural separate media
Reexamination Certificate

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Filter system

Gas separation: processes – With control responsive to sensed condition – Pressure sensed
Patent

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Filter system

Gas separation: processes – Electric or electrostatic field – And nonelectrical separation of fluid mixture
Patent

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Filter system

Gas separation: processes – Deflecting – And filtering
Reexamination Certificate

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Filter system

Gas separation: processes – Deflecting – And filtering
Reexamination Certificate

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Filter system for spreading soot particles from a stream of...

Gas separation: processes – Filtering
Reexamination Certificate

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Filter system with automatic media refresh

Gas separation: processes – Filtering – Moving filter
Reexamination Certificate

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