| 发明名称 |
Locatable magnetic polyethylene gas pipe distribution system |
| 摘要 |
A locatable gas distribution system having magnetic polyethylene (PE) pipe with ferrite particles embedded within the polyethylene. The magnetic polyethylene pipe has a magnetic pattern signature with a constant magnitude and a constant change in a direction along a length of the pipe.
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| 申请公布号 |
US2002134448(A1) |
申请公布日期 |
2002.09.26 |
| 申请号 |
US20010945568 |
申请日期 |
2001.08.30 |
| 申请人 |
GOODMAN WILLIAM L. |
发明人 |
GOODMAN WILLIAM L. |
| 分类号 |
G01V3/00;F16L1/024;F16L1/11;F16L9/12;F17D1/04;G01N27/72;G01V15/00;(IPC1-7):F16L55/00 |
主分类号 |
G01V3/00 |
| 代理机构 |
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代理人 |
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