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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0364780 (1994-12-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 26 인용 특허 : 0 |
By incorporating an elongated, generally upstanding, aperture-bearing tube member in the top of a roof drain cover or debris guard, with said elongated pipe extending into the interior of the roof drain assembly, a unique roof drain system is achieved which virtually eliminates clogging of the drain
A roof drain assembly constructed for use on flat roofs and low pitched roofs, said roof drain assembly comprising A. a base adapted to be mounted substantially co-extensive with the surface of the roof and extending therefrom below the roof surface for receiving water run off from the roof and dire
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