Patents by Inventor Aulis Vakkilainen

Aulis Vakkilainen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Substrate having porous sheet(s) for treating exhaust gases of combustion engines
    Patent number: 8337762
    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 ?m.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: December 25, 2012
    Assignee: Ecocat Oy
    Inventors: Aulis Vakkilainen, Reijo Lylykangas, Ritva Heikkinen, Teuvo Maunula, Matti Harkonen, Ari Lievonen
  • SUBSTRATE HAVING POROUS SHEET(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES
    Publication number: 20110217215
    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 ?m.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 8, 2011
    Applicant: ECOCAT OY
    Inventors: Aulis Vakkilainen, Reijo Lylykangas, Ritva Heikkinen, Teuvo Manula, Matti Harkonen, Ari Lievonen
  • SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES
    Publication number: 20090175768
    Abstract: The present invention relates a substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using said substrate having said open channel(s). The substrate (1) comprises at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to said corrugated sheet (3) and between said flat wire mesh sheet (2) and said corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of said flat wire mesh sheet (2) is 0.05-0.5 mm smaller than the height of the corrugation (3c) of said corrugated sheet (3).
    Type: Application
    Filed: April 24, 2006
    Publication date: July 9, 2009
    Applicant: ECOCAT OY
    Inventors: Aulis Vakkilainen, Juha Laiho, Juhani Mäkelä, Pekka Matilainen
  • Porous sheet and substrate having porous sheet(s) for treating exhaust gases of combustion engines
    Publication number: 20070009400
    Abstract: A porous sheet for treating exhaust gases of combustion engines in open channels is disclosed. At least part of the porous sheet has a covering support having pores over 10 nm and coarse particles over 1.4 ?m.
    Type: Application
    Filed: April 19, 2004
    Publication date: January 11, 2007
    Inventors: Aulis Vakkilainen, Reijo Lylykangas, Ritva Heikkinen, Teuvo Maunula, Matti Harkonen, Ari Lievonen