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Adjustable expandable cryogenic piston and ring

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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Cryogenic pump multi-part piston with thermal expansivity compen

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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High pressure piston seal

Expansible chamber devices – Piston – Radially adjustable side wall portion
Reexamination Certificate

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Mud pump piston

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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Multiple part oil-control ring for piston

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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Piston for tank

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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Piston pump

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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Piston pump mechanism

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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Piston ring

Expansible chamber devices – Piston – Radially adjustable side wall portion
Reexamination Certificate

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Tank piston seal and stabilizing system

Expansible chamber devices – Piston – Radially adjustable side wall portion
Reexamination Certificate

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Tilting bearing pads for improved lubrication

Expansible chamber devices – Piston – Radially adjustable side wall portion
Patent

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Variable oil ring tension mechanism

Expansible chamber devices – Piston – Radially adjustable side wall portion
Reexamination Certificate

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Variable tension ring mechanism

Expansible chamber devices – Piston – Radially adjustable side wall portion
Reexamination Certificate

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