4. Internal-combustion engines
  5. Poppet valve operating mechanism
  6. Hydraulic system

James L. Thien

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Control system and method of use for aligning a piston...

Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate

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Internal combustion engine piston insertion machine

Metal working – Means to assemble or disassemble – With control means energized in response to activator...
Reexamination Certificate

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Internal combustion engine valve actuator apparatus

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system
Patent

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Method of inserting a piston assembly into a cylinder of an...

Metal working – Method of mechanical manufacture – With testing or indicating
Reexamination Certificate

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Piston ring compressor

Metal working – Means to assemble or disassemble – Piston ring inserter or remover
Reexamination Certificate

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Profile ID: LFUS-PAI-P-381871

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