4. Electricity: circuit makers and breakers
  5. Liquid contact
  6. Time delay

Jean Louis Gratzmuller

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Apparatus for indicating cylinder fluid level

Electricity: circuit makers and breakers – Fluid pressure – Piston
Patent

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Drain devices in hydraulic control circuits

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Electric circuit-breaker for alternating currents

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

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Filter for liquids capable of containing a gas

Gas separation – Means within gas stream for conducting concentrate to collector
Patent

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Hydraulic jacks

Implements or apparatus for applying pushing or pulling force – Fluid pressure – Vehicle attached
Patent

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Profile ID: LFUS-PAI-P-536659

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