4. Fluid reaction surfaces (i.e., impellers)
  5. Diverse impellers or working members

Roy E. Roth Company

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Centrifugal impellers

Fluid reaction surfaces (i.e. – impellers) – Diverse impellers or working members
Patent

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Centrifugal impellers

Fluid reaction surfaces (i.e. – impellers) – Diverse impellers or working members
Patent

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Floating seals

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

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Floating self-centering turbine impeller

Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump
Patent

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Hermetically sealed magnetic drive pump

Pumps – Condition responsive control of pump drive motor – Responsive to pump or pump fluid temperature
Patent

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