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:
May. 20, 2008
Filed:
Apr. 22, 2003
Wilfried Hofmann, Munich, DE;
Wilfried Hofmann, Munich, DE;
NFT Nanofiltertechnik GmbH, Bad Homburg V.D.H., DE;
Abstract
A filter apparatus having a filter membrane, a main body, a supply channel running perpendicular to the surface of the filter membrane and a gap running between it and the filter membrane, for the formation of a tangentially directed transverse flow, a return channel connected with the supply channel, a circulation channel located around a circumferential edge of the membrane, having an inlet connected to the gap and an outlet connected to the return channel, and a circulator to impart a circular movement to the fluid in the circulation channel.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile