4. Rotary kinetic fluid motors or pumps
  5. With lubricating, sealing, packing or bearing means having...
  6. For shaft sealing, packing, lubricating or bearing means

Zhifeng Dong

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Aerodynamic fastener shield for turbomachine

Power plants – Combustion products used as motive fluid – Having mounting or supporting structure
Reexamination Certificate

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Compound clearance control engine

Power plants – Combustion products used as motive fluid – Process
Reexamination Certificate

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Methods and apparatus for maintaining rotor assembly tip...

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Reexamination Certificate

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Swirl-enhanced aerodynamic fastener shield for turbomachine

Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Reexamination Certificate

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Transpiration clearance control turbine

Rotary kinetic fluid motors or pumps – With diversely oriented inlet or additional inlet for...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2969393

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