4. Internal-combustion engines
  5. Poppet valve operating mechanism
  6. With means for varying timing

Gyu-Han Hwang

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Engine cooling system

Internal-combustion engines – Cooling – Multiple cylinders with equalized cooling
Reexamination Certificate

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Manufacturing method of variable tumble flow-generating...

Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Reexamination Certificate

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Oil supply structure for an engine cylinder head

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate

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Variable tumble flow-generating device of engine and...

Internal-combustion engines – Means to whirl fluid before – upon – or after entry into...
Reexamination Certificate

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Water jacket for cylinder head

Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2790450

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