| 发明名称 |
Device for keeping a portion of a body of water free from ice |
| 摘要 |
A device for keeping a portion of a body of water free from ice includes a heating element and a buoyant enclosure to contain the heating element.
|
| 申请公布号 |
US6597863(B2) |
申请公布日期 |
2003.07.22 |
| 申请号 |
US20010813337 |
申请日期 |
2001.03.20 |
| 申请人 |
KOSKEY, JR. JAMES DONALD |
发明人 |
KOSKEY, JR. JAMES DONALD |
| 分类号 |
E02B15/02;(IPC1-7):H05B3/80 |
主分类号 |
E02B15/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
