The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 2012
Filed:
Jul. 13, 2010
Bong Kyu Kim, Daejeon, KR;
Wan Joong Kim, Gyeonggi-do, KR;
Gun Yong Sung, Daejeon, KR;
Seon Hee Park, Daejeon, KR;
Bong Kyu Kim, Daejeon, KR;
Wan Joong Kim, Gyeonggi-do, KR;
Gun Yong Sung, Daejeon, KR;
Seon Hee Park, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided is a filtering device including a filter part having a plurality of filters stacked to filter contaminants in fluid, and a sample part disposed on an outer plane of the filter part and having a plurality of samples corresponding to the filters, respectively. Therefore, a filter exchange period can be accurately determined by measuring properties of the filter varied during filtering of contaminants, and indiscriminate exchange of the filters can be prevented to reduce maintenance cost.