4. Boring or penetrating the earth
  5. With signaling, indicating, testing or measuring

Carl A. Rowold

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AC motorized wheel control system

Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Patent

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Apparatus for granular media filter

Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With rehabilitation means
Patent

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Belt conveyor weighbridge

Weighing scales – With total register – Integrator of steadily flowing fluent material
Patent

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Bit breaker

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Cable lifting mechanism for sedimentation device

Liquid purification or separation – Gravitational separator – Mechanical constituent mover
Patent

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Profile ID: LFUS-PAI-P-242905

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