4. Seal for a joint or juncture
  5. Seal between relatively movable parts
  6. Relatively rotatable radially extending sealing face member

Robert A. Lapke

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Engine power monitoring system

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Patent

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Lubricated joint with equalizing pressure zone

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Oil cooled piston rings

Expansible chamber devices – Piston – With ported chamber in piston part for circulating heat...
Patent

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Retractable access system ladder and work machine using same

Fire escape – ladder – or scaffold – Ladder with land vehicle
Reexamination Certificate

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Soft seal poppet type check valve

Fluid handling – Systems – Sequentially progressive opening or closing of plural valves
Patent

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Profile ID: LFUS-PAI-P-454934

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