LandOfFree - US Patents - Listing for Internal-combustion engines,Valve

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Rotary valve in an internal combustion engine

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve internal combustion engine

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve internal combustion engine

Internal-combustion engines – Valve – Rotary

Reexamination Certificate

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Rotary valve internal combustion engine

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve internal combustion engine

Internal-combustion engines – Valve – Rotary

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve internal combustion engine

Internal-combustion engines – Valve – Rotary

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve mechanism for internal combustion engine

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve operating mechanism

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve seal

Internal-combustion engines – Valve – Rotary

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve seal assembly

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve shaft

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve system

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve system

Internal-combustion engines – Valve – Rotary

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve system

Internal-combustion engines – Valve – Rotary

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve system

Internal-combustion engines – Valve – Rotary

Patent

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Rotary valve system and engine using the same

Internal-combustion engines – Valve – Rotary

Reexamination Certificate

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Rotary valve system and engine using the same

Internal-combustion engines – Valve – Rotary

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve system and engine using the same

Internal-combustion engines – Valve – Rotary

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve system for internal combustion engines

Internal-combustion engines – Valve – Rotary

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary valve system for motors and the like having improved seal

Internal-combustion engines – Valve – Valve head cooperates with manifold

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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