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:
Dec. 25, 2012
Filed:
May. 17, 2011
Applicants:
Aulis Vakkilainen, Vihtavuori, FI;
Reijo Lylykangas, Vihtavuori, FI;
Ritva Heikkinen, Kiiminki, FI;
Teuvo Maunula, Oulu, FI;
Matti Harkonen, Oulu, FI;
Ari Lievonen, Vaajakoski, FI;
Inventors:
Aulis Vakkilainen, Vihtavuori, FI;
Reijo Lylykangas, Vihtavuori, FI;
Ritva Heikkinen, Kiiminki, FI;
Teuvo Maunula, Oulu, FI;
Matti Harkonen, Oulu, FI;
Ari Lievonen, Vaajakoski, FI;
Assignee:
Ecocat Oy, Vihtavuori, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01); B21D 51/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The object of the invention is a porous sheet(s) for treating exhaust gases of combustion engines in open channels. According to the invention at least part of the porous sheet has a covering support having pores over 10 nm and coarse particles over 1.4 μm.