4. Wells
  5. Receptacles
  6. With separate air chamber having openable passage

Joseph F. Schirtzinger

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Apparatus for supporting a drilling platform on the ocean floor

Boring or penetrating the earth – Below-ground impact members – With releasable means to detachably retain telescoping...
Patent

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Arctic drilling and production platform

Ships – Floating platform
Patent

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Captured air bubble arctic vehicle with ice cutters

Motor vehicles – Surface effect vehicles – Having propulsion or control means
Patent

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Fluid vacuum release for ice cutting systems

Ships – Ice breakers – Cutters
Patent

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Method and apparatus for supporting a drilling platform on the o

Wells – Receptacles – With separate air chamber having openable passage
Patent

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Profile ID: LFUS-PAI-P-944751

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