4. Seal for a joint or juncture
  5. Seal between relatively movable parts
  6. Relatively rotatable radially extending sealing face member

James Bonvouloir

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Long-life multi-stage ferrofluid seals incorporating a ferroflui

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

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Loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
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Stacked pole-piece ferrofluid seal apparatus

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

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Profile ID: LFUS-PAI-P-75137

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