4. Bearings
  5. Rotary bearing
  6. Water lubricated propellor shaft or well shaft

David P. Kutinsky

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Rotary steerable drilling tool

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...
Reexamination Certificate

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Rotary steerable drilling tool and associated method of use

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Reexamination Certificate

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Short stack bearing assembly

Bearings – Rotary bearing – Water lubricated propellor shaft or well shaft
Patent

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Profile ID: LFUS-PAI-P-1888428

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