| 发明名称 | Prefabricated, modular, fire resistance and non-fire resistance rated ventilation duct assembly with integral subducts | ||
| 摘要 | A prefabricated, modular, duct assembly comprising a main duct having an outer wall, an inner wall, a first end and a second end. A horizontal duct assembly extending through the main duct between the first end and the second end. A vertical duct assembly extending along the inner wall from the horizontal duct assembly to the first end. | ||
| 申请公布号 | US9441852(B2) | 申请公布日期 | 2016.09.13 |
| 申请号 | US201414483067 | 申请日期 | 2014.09.10 |
| 申请人 | HART & COOLEY, INC. | 发明人 | Edgar Glen A.;Pridemore Clark E.;Page Keith E. |
| 分类号 | F16L9/18;F24C3/00;F24F13/02 | 主分类号 | F16L9/18 |
| 代理机构 | Jackson Walker LLP | 代理人 | Jackson Walker LLP ;Rourk Christopher J. |
| 主权项 | 1. A duct assembly comprising: a prefabricated, modular, main duct having an outer wall, an inner wall, a first end and a second end; a horizontal duct assembly extending through the main duct between the first end and the second end; and a vertical duct assembly extending along the inner wall from the horizontal duct assembly towards the first end. | ||
| 地址 | Grand Rapids MI US | ||