최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0476985 (1983-03-21) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 1 |
A roof drain for either a sump or a flush installation has a body having a centrally located water collecting section which is capable of being attached to a pipe, a first surface extending around the periphery of the central section, a connecting surface extending upwardly and away from the periphe
A roof drain which comprises: an integrally formed body having a water collecting section, a first body surface, a second body surface and a connecting surface; said water collecting section located within said body, said collecting section including a generally funnel shaped portion with said funne
※ AI-Helper는 부적절한 답변을 할 수 있습니다.