Patent · US Expired

Filter membrane with increased surface area

US6969396B2 · kind B2 · utility

153Cited by
170References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 2003
Grant dateNov 29, 2005
Priority date
Expiry dateMay 7, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2230/008
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A filtering device with an increased surface area, and method of making and using the same. The present invention comprises a filtering device including an elongate shaft and a filter coupled to the shaft. The filter may include a filter membrane configured to have an increased surface area.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.