4. Stock material or miscellaneous articles
  5. Coated or structually defined flake, particle, cell, strand,...
  6. Rod, strand, filament or fiber

Shinichi Chaen

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Air filter

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent

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Filter apparatus and filter element

Gas separation – Multiple bag type filters in chamber
Patent

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Fire-retardant filter medium and air filter unit

Gas separation – Two or more separators – Plies or layers of different characteristics or orientation
Reexamination Certificate

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Method of laminating gas permeable sheet material

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate

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Polytetrafluoroethylene composite fiber, cotton-like materials o

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent

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Profile ID: LFUS-PAI-P-129532

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