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:
Apr. 16, 2002
Filed:
Sep. 29, 2000
Applicant:
Inventors:
Jochen von der Hardt, Göttingen, DE;
Ulrich Quaschning, Göttingen, DE;
Maik Jornitz, Göttingen, DE;
Assignee:
Sartorius AG, , DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D 2/708 ; B01D 2/714 ;
U.S. Cl.
CPC ...
B01D 2/708 ; B01D 2/714 ;
Abstract
A multiple fluid filter apparatus is disclosed having a locking arrangement for securing multiple filter elements that accommodates different size filters, permits axial expansion and contraction of the filters, yet prevents warping.