4. Lubrication
  5. Lubricators
  6. Gravity feed

Donald G. Gruett

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Air tool lubricator

Lubrication – Systems – With measuring or metering value system
Patent

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Apparatus for dispensing a liquid on a remote object

Pumps – Motor driven – Fluid motor
Patent

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Filter assembly with shut off and filter element therefor

Liquid purification or separation – With repair or assembling means – Removable treatment part with normally disabled flow controller
Patent

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Fluid injector pump with interchangeable reservoir

Pumps – Motor driven – Fluid motor
Patent

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Fluid level detection apparatus

Measuring and testing – Liquid level or depth gauge – Sight glass
Patent

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Profile ID: LFUS-PAI-P-711981

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