4. Valves and valve actuation
  5. Fluid actuated or retarded
  6. Pilot or servo type motor

Imperial Underground Sprinkler Co.

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Ball drive sprinkler

Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent

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Ball drive sprinkler

Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent

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Bubbler head structure

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Liquid flow induces atmospheric air
Patent

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Cabinet for programmable irrigation control system

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment
Patent

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Electrical connector

Electricity: conductors and insulators – Conduits – cables or conductors – Combined
Patent

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