4. Boring or penetrating the earth
  5. With mechanical cleaner for bit or cutter element

Ernest A. VON Seggern

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Method for operating a two cycle engine with dynamic stratificat

Internal-combustion engines – Precombustion and main combustion chambers in series – Having fluid whirling means
Patent

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Rotary earth boring drill bit with centrifugal foreign particle

Boring or penetrating the earth – With mechanical cleaner for bit or cutter element
Patent

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Rotary earth boring drill bit with centrifugal foreign particle

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft
Patent

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Two-cycle engine with stabilized combustion and method of operat

Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Patent

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Profile ID: LFUS-PAI-P-409682

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