发明授权
- 专利标题： Arrangement for protecting a waste water line
- 专利标题（中）： 保护废水管线的安排
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申请号： US12406672申请日： 2009-03-18
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公开(公告)号： US08201280B1公开(公告)日： 2012-06-19
- 发明人: Harry Barnett Nally, Jr.
- 申请人： Harry Barnett Nally, Jr.
- 代理机构： Camoriano and Associates
- 代理商 Theresa Fritz Camoriano
- 主分类号： E03D11/00
- IPC分类号： E03D11/00
摘要：
An arrangement for protecting a waste water line from plugging due to debris includes a pipe with spikes projecting upstream toward the oncoming waste water flow.
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