LandOfFree - US Patents - Listing for Internal-combustion engines,Poppet valve operating mechanism

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Cylinder valve operating system

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

Patent

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Cylinder valve operating system for internal combustion engine

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

Reexamination Certificate

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Cylinder valve operating system for reciprocating internal...

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

Reexamination Certificate

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Damped automatic variable valve timing device for internal combu

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

Patent

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Damping device for movable masses, preferably for...

Internal-combustion engines – Poppet valve operating mechanism – Electrical system

Reexamination Certificate

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Deactivatable valve control arrangement for internal combustion

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

Patent

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Deactivating element for a valve train of an internal...

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Reexamination Certificate

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Deactivation and two-step roller finger follower having a...

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

Reexamination Certificate

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Deactivation and two-step roller finger follower having a...

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

Reexamination Certificate

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Deactivation hydraulic valve lifter

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

Reexamination Certificate

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Deactivation hydraulic valve lifter having a pressurized oil...

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

Reexamination Certificate

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Deactivation hydraulic valve lifter having a pressurized oil...

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Reexamination Certificate

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