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

Brian L. Ruddy

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Non-metallic piston rings with controlled expansion pressure

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

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Piston and piston ring

Expansible chamber devices – Piston – With spring means for biasing side wall portion radially
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Piston and piston ring assemblies

Expansible chamber devices – With lubricating means – Piston has lubricant retaining or conducting means
Patent

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Treatment of pistons

Expansible chamber devices – Piston – Open-ended hollow skirt type
Patent

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Profile ID: LFUS-PAI-P-426925

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