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Alternative metallic seals

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

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Annular sealing assembly and methods of sealing

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

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Bi-directional pressure-energized metal seal

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

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Composite earth boring bit seal

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

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Composite rock bit seal

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

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Composite seal for rotary cone rock bits

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

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Downhole packer with element extrusion-limiting device

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
Patent

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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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Fluid plug

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

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Frangible pressure seal

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

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Gland packing and sealing apparatus comprising it

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

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High pressure and temperature seal for downhole use

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

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High pressure rotary shaft sealing mechanism

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

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Mechanical seal for movable joints of machines

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

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Packer

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

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Ribbed sealing element and method of use

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

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Seal assembly for reciprocating shaft

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

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Seal ring for well completion tools

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

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