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

David K. Trumpy

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Compression ratio mode selection logic for an internal...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate

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In-vehicle barometric pressure detection system

Communications: electrical – Land vehicle alarms or indicators
Patent

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Internal combustion engine having variable compression ratio...

Internal-combustion engines – Adjustable combustion chamber – Piston in head adjusted
Reexamination Certificate

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Internal combustion engine with valves having a variable spring

Internal-combustion engines – Poppet valve operating mechanism – Spring
Patent

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Profile ID: LFUS-PAI-P-1562648

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