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Dual functioning seal for rock bits

Seal for a joint or juncture – Seal for well apparatus – For below ground apparatus
Reexamination Certificate

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Dual functioning seal for rock bits

Seal for a joint or juncture – Seal for well apparatus – For below ground apparatus
Reexamination Certificate

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Dual groove seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual labyrinth fluid seal with fluid slinger

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual layer roll boot

Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for other than internal combustion engine – or...
Reexamination Certificate

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Dual lip seal and method of forming the seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual lip seal device

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual material lip-type seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual non-contacting mechanical face seal having concentric seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual non-contacting mechanical face seal having concentric...

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Reexamination Certificate

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Dual operating mode seal assembly

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual pressure balanced noncontacting finger seal

Seal for a joint or juncture – Seal between relatively movable parts – Brush seal
Reexamination Certificate

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Dual purpose low insertion force gasket

Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for a pipe – conduit – or cable
Reexamination Certificate

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Dual ring piston-ring system with spring ring bias means

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual seal

Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston
Reexamination Certificate

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Dual seal assembly

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Reexamination Certificate

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Dual seal assembly

Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston
Reexamination Certificate

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Dual seal assembly

Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston
Reexamination Certificate

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Dual seal barrier fluid leakage control method

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Dual seal barrier fluid leakage control method utilizing linearl

Seal for a joint or juncture – Process of dynamic sealing – Close proximity seal
Patent

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