发明名称 Pool/spa filter saver system
摘要 A first end of a connector is attached to the exterior end of a pipe. A second end of the connector is rotatably coupled with respect to the exterior end of the pipe and has female threads for removably receiving a hose. A spray head has a closed end, an open end coupled with respect to an interior end of the pipe, and an intermediate region having a plurality of radially extending micro-holes.
申请公布号 US8337636(B1) 申请公布日期 2012.12.25
申请号 US201113314474 申请日期 2011.12.08
申请人 VANCE THOMAS L. 发明人 VANCE THOMAS L.
分类号 B08B9/00 主分类号 B08B9/00
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