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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0109809 (1980-01-07) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 26 인용 특허 : 2 |
A water-flow-control device adapted to be positioned within water systems which are generally used for watering lawns and gardens, as well as for distributing water over larger areas of land such as for agricultural use, whereby the device permits a predetermined amount of water to be discharged in
A water-control device adapted for use in water systems wherein the volume of water flow and the timing of the flow is required, said device comprising: a housing having an inlet port and an outlet port; an inlet chamber communicating with said inlet port; an outlet chamber communicating with said o
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