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:
Sep. 16, 2014
Filed:
Jul. 20, 2009
Applicants:
Siegfried Müssig, Bad Nenndorf, DE;
Klaus Wahrmann, Sprockhövel, DE;
Stefanie Wildhack, Kempten, DE;
Bernhard Holzmüller, Haldenwang, DE;
Samuel Joly, Durach, DE;
Inventors:
Siegfried Müssig, Bad Nenndorf, DE;
Klaus Wahrmann, Sprockhövel, DE;
Stefanie Wildhack, Kempten, DE;
Bernhard Holzmüller, Haldenwang, DE;
Samuel Joly, Durach, DE;
Assignee:
ESK Ceramics GmbH & Co. KG, Copenhagen, DK;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/08 (2006.01); B01D 39/20 (2006.01); B01D 29/46 (2006.01); B01D 46/40 (2006.01);
U.S. Cl.
CPC ...
B01D 29/46 (2013.01); E21B 43/08 (2013.01); B01D 39/2068 (2013.01); B01D 46/406 (2013.01);
Abstract
The invention relates to a separating device for tubular flow-through devices () which serve for the extraction of liquids or gases from wells drilled in rock or deep wells, the separating device being suitable for the removal of sand and rock particles and comprising