Jeff ELKINS;Frank ARKO;Eric JOHNSON;Thomas J. FOGARTY;Martin SEERY
发明人:
Eric JOHNSON,Thomas J. FOGARTY,Frank ARKO,Jeff ELKINS,Martin SEERY
申请号:
US13931408
公开号:
US20130296918A1
申请日:
2013.06.28
申请国别(地区):
US
年份:
2013
代理人:
摘要:
In one embodiment of the present invention there is provided a filter having a first elongate member having a first section and a second section; a second elongate member having a first section and a second section; a first rounded frame formed by the first sections; a second rounded frame formed by the second sections; and a material removal structure supported by the first rounded frame. In another embodiment of the present invention there is provided a filter, having a first elongate member having a first spiral section and a second spiral section; a second elongate member having a first spiral section and a second spiral section; and a material capture structure extending between the first spiral sections.