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. 16, 2018
Filed:
Dec. 08, 2014
3m Innovative Properties Company, St. Paul, MN (US);
Jon A. Kirschhoffer, Stillwater, MN (US);
Gregory W. Sitton, Minneapolis, MN (US);
Andrew H. Tilstra, Shoreview, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An apparatus for processing a biological sample is provided. The apparatus includes a body having a processing chamber, a first reservoir, a second reservoir, a filter, a first one-way valve, a second one-way valve, a first fluid pathway, and a second fluid pathway. The first fluid pathway and the second fluid pathway pass through the filter. A method of processing a sample using the apparatus is also provided. The method includes placing a sample comprising a liquid into the processing chamber; urging at least a portion of the liquid through the filter; after urging the at least a portion of the liquid through the filter, urging a portion of a back-flush liquid through the filter into the process chamber to form a first processed sample; and analyzing at least a portion of the first processed sample to detect an indication of a microorganism.