4. Liquid purification or separation
  5. With alarm, indicator, register, recorder, signal or...
  6. Responsive to fluid flow

Wilfred Grifka

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Acoustic driving of rotor

Electricity: motive power systems – Nonmagnetic motor
Patent

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Acoustic energy shaping

Glass manufacturing – Processes – Forming product or preform from molten glass
Patent

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Aldehyde-containing urea-absorbing polysaccharides

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent

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Annular arc accelerator shock tube

Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
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Apparatus for endoscopic examination

Surgery – Truss – Perineal
Patent

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Profile ID: LFUS-PAI-P-50501

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