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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0835775 (1992-02-14) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
The present invention is a wellbore tool which includes as a component an actuator which is composed at least in-part of a shape-memory material characterized by having a property of switching between a deformed shape and a pre-deformed shape upon receipt of thermal energy of a preselected amount. T
A method of operating in a wellbore, with a wellbore tool disposed therein and being of the type operable in a plurality of operating modes and being switchable between selected operating modes of said plurality of operating mode in response to application of force of a preselected force level to a
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