4. Fluid handling
  5. Processes

Alan F. Hassett

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Ballasting system for on-site sewage treatment and disposal...

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Reexamination Certificate

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Methods for isolating a water table and for soil remediation

Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent

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On-site sewage treatment and disposal system

Hydraulic and earth engineering – Drainage or irrigation
Patent

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Vacuum sewer system

Fluid handling – Processes
Patent

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Wastewater biological treatment system and method therefor

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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Profile ID: LFUS-PAI-P-764160

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