发明名称 |
Irrigation and drainage method and apparatus |
摘要 |
There is provided a new and useful irrigation and drainage method and apparatus, the apparatus comprising a pump for raising water via a well from a subsurface water table; a subsurface perforated piping network for distribution of water at a level between the level of the water table and the ground surface to create an artificial water table; and structure for connecting an outlet of the pump with an inlet of the piping network. Drainage piping may be provided connected to an outlet of the piping network.
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申请公布号 |
US5221158(A) |
申请公布日期 |
1993.06.22 |
申请号 |
US19910811957 |
申请日期 |
1991.12.23 |
申请人 |
UNIQUE-QUALITY PRODUCTS, INC. |
发明人 |
NORSWORTHY, JOHN A. |
分类号 |
A01G25/06;E02B11/00;E02B13/00 |
主分类号 |
A01G25/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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