4. Measuring and testing
  5. Vibration
  6. By mechanical waves

Steven H. Johnson

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Automatic engine control for an excavator

Material or article handling – Vertically swinging load support – Shovel or fork type
Patent

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Automatic ultrafiltration control system

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent

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Balanced hydraulic propulsion system

Power plants – Pressure fluid source and motor – Having condition responsive control in a system of distinct...
Patent

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Control handle for a work vehicle

Machine element or mechanism – Control lever and linkage systems – Elements
Patent

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Current and status monitor

Surgery – Instruments – Electrical application
Reexamination Certificate

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Profile ID: LFUS-PAI-P-473684

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