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. 17, 2024
Filed:
Dec. 18, 2013
Applicant:
Johns Manville, Denver, CO (US);
Inventors:
Joerg Meier, Grossaitingen, DE;
Joerg Lehnert, Schwabmuenchen, DE;
Assignee:
Johns Manville, Denver, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); B01D 39/20 (2006.01); D04H 1/485 (2012.01);
U.S. Cl.
CPC ...
B01D 39/1623 (2013.01); B01D 39/2017 (2013.01); D04H 1/485 (2013.01); B01D 2239/0659 (2013.01); B01D 2239/10 (2013.01); B01D 2239/1233 (2013.01); B01D 2239/1258 (2013.01); B01D 2239/1291 (2013.01);
Abstract
The present invention relates to a filter medium, a method for the manufacture thereof and the use of the filter medium according to the invention. The filter medium according to the invention comprises at least two textile nonwoven layers which are joined to one another by needling. The needled composite is then subjected to an after treatment so that the holes present from the needling are reduced by at least 50%.
Quick Actions:
Meier, Joerg. (2024). Filter medium (U.S. Patent No. 12090432). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12090432
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