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

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Desmodromic cam driven variable valve timing mechanism

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Reexamination Certificate

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Desmodromic distribution system for four-stroke engines

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Patent

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Desmodromic valve and adjustable cam system

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Reexamination Certificate

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Desmodromic valve designs for improved operation smoothness,...

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Reexamination Certificate

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Desmodromic valve drive

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Reexamination Certificate

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Desmodromic valve retrofit system with replaceable cam lobes...

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Reexamination Certificate

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Desmodromic valve system

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Patent

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Desmodromic valve system and retrofit kit for conventional...

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Reexamination Certificate

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Detachable connection for coupling a gas exchange valve of...

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Reexamination Certificate

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Direct acting cam-valve assembly

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Patent

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