검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | E03F-005/14 E03F-005/06 |
미국특허분류(USC) | 210/163 ; 405/36 ; 405/127 |
출원번호 | US-0476985 (1983-03-21) |
발명자 / 주소 |
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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 periphery of the first surface and a second surface extending outwardly around the periphery of the connecting surface. The first and second surfaces are parallel to one another with the second surface serving as the mounting surface for mounting the drain on to a ro...
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 funnel shaped portion terminating into a vertically oriented cylindrical section, said cylindrical section forming the lowermost portion of said body with said cylindrical section sized and shaped for joining to a cylindrical pipe; said first body surface being gen...