4. Ships
  5. Bilge discharge

Donald P. Gross

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Marine sewage treatment system

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent

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Marine valve structure

Ships – Bilge discharge
Patent

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Marine vessel liquid strainer clogging indicator

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

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Reversible ball valve handle

Valves and valve actuation – Limit stop – Adjustable
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1104627

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