4. Electric lamp and discharge devices
  5. Spark plugs
  6. Particular electrode structure or spacing

Friedrich Gruber

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Apparatus for regulating an engine parameter

Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...
Patent

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Arrangement for regulating the combustion air proportions

Internal-combustion engines – Charge forming device – Gaseous fuel and air mixer
Patent

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Engine arrangement

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent

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Internal combustion engine

Power plants – Internal combustion engine with treatment or handling of... – Exhaust gas or exhaust system element heated – cooled – or...
Reexamination Certificate

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Laser ignition apparatus

Internal-combustion engines – Igniters
Reexamination Certificate

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Profile ID: LFUS-PAI-P-168716

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