4. Plastic article or earthenware shaping or treating: apparatus
  5. Shaping orifice and downstream work contacting gaseous...
  6. Orifice for filaments or fibers

Charles S. Hoffman, Jr.

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Apparatus and method for making melt-blown nonwoven sheets

Winding – tensioning – or guiding – Convolute winding of material – With particular drive
Patent

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Apparatus and method for making melt-blown nonwoven sheets

Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Positioning of a mold part to form a cavity or controlling...
Patent

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Apparatus for making melt-blown filtration media having integral

Plastic article or earthenware shaping or treating: apparatus – Shaping orifice and downstream work contacting gaseous... – Orifice for filaments or fibers
Patent

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Filter cartridge assembly having a reusable support core structu

Liquid purification or separation – With repair or assembling means
Patent

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Melt-blown filtration media having integrally co-located support

Liquid purification or separation – Filter – Material
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Profile ID: LFUS-PAI-P-115918

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