4. Environmental heating and cooling; fluid handling and sanitary e
  5. Fluid handling or treatment equipment
  6. Treatment

John H. Douglas

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Combined showerhead and filter

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent

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Filter system for removing contaminants from water and...

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

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Multi-function showerhead filter system

Fluid sprinkling – spraying – and diffusing – Terminal member adjustably or shiftably connected to flow... – Ball and socket flow connection
Reexamination Certificate

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Showerhead

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Dispersal
Design Patent

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Showerhead filter

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent

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Profile ID: LFUS-PAI-P-1575054

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