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US6314340B1
|
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Irrigation controller
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US3955764A
|
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Sprinkler adjustment
|
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US3934820A
|
|
Sprinkler control
|
|
US3758038A
|
|
Hydraulically actuated rotary pop-up sprinkler
|
|
US3637139A
|
|
Irrigating devices having a pressure actuated pop-up sprinkler head
|
|
US3578284A
|
|
Solenoid valve
|
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US3567126A
|
|
Rotary sprinkler having impulse-type turbine
|
|
US3369565A
|
|
Multiport valves
|
|
US3312113A
|
|
Torque transmission units
|
|
US3333072A
|
|
Rain responsive circuit breaker
|
|
US3266730A
|
|
Torque transmission units for pop-up sprinklers
|
|
US3207866A
|
|
Automatic variable time controls for electrically operated mechanisms
|
|
US3200303A
|
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Timing control units
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