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

Steven J. Sytsma

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Oil ring assembly

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

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Oppositely angled piston ring grooves

Seal for a joint or juncture – Seal between relatively movable parts – Piston ring or piston ring expander or seat therefor
Reexamination Certificate

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Piston ring

Expansible chamber devices – Piston – Radially adjustable side wall portion
Reexamination Certificate

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Piston ring coating

Expansible chamber devices – Piston – Open-ended hollow skirt type
Reexamination Certificate

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Piston with blow-by pressure relief

Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston
Patent

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Profile ID: LFUS-PAI-P-1025093

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