4. Expansible chamber devices
  5. Piston
  6. Nonmetallic portion

Joseph C. Hamelink

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Crankcase bypass system with oil scavenging device

Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Reexamination Certificate

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Four-piece oil seal

Expansible chamber devices – Piston – Nonmetallic portion
Patent

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Variable oil ring tension mechanism

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

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Variable tension ring mechanism

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

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Profile ID: LFUS-PAI-P-456882

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