Patents by Inventor Esko Varteva

Esko Varteva 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).

  • Patent number: 7303682
    Abstract: The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributing device and/or the collecting device of the present invention can be used in fixed or fluidized bed reactors or columns, such as chromatographic separation columns, ion exchange columns, adsorption columns etc. A fluid distributing device comprises a) a first fluid conveying system; and b) a distributing plate, which comprises i) first means for fluid transfer for dividing the fluid flow coming from the delivering points into several partial fluid flows and for distributing the partial fluid flows into the column; and ii) first means for controlling of the partial fluid flows by differential pressure in the first means for fluid transfer.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: December 4, 2007
    Assignee: Finnfeeds Finland OY
    Inventors: Hannu Paananen, Heikki Heikkilä, Jari Lewandowski, Esko Varteva
  • Publication number: 20060124550
    Abstract: The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributing device and/or the collecting device of the present invention can be used in fixed or fluidized bed reactors or columns, such as chromatographic separation columns, ion exchange columns, adsorption columns etc. A fluid distributing device comprises a) a first fluid conveying system; and b) a distributing plate, which comprises i) first means for fluid transfer for dividing the fluid flow coming from the delivering points into several partial fluid flows and for distributing the partial fluid flows into the column; and ii) first means for controlling of the partial fluid flows by differential pressure in the first means for fluid transfer.
    Type: Application
    Filed: December 13, 2005
    Publication date: June 15, 2006
    Applicant: Finnfeeds Finland OY
    Inventors: Hannu Paananen, Heikki Heikkila, Jari Lewandowski, Esko Varteva
  • Patent number: 7001521
    Abstract: The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributing device and/or the collecting device of the present invention can be used in fixed or fluidized bed reactors or columns, such as chromatographic separation columns, ion exchange columns, adsorption columns etc. A fluid distributing device comprises a) a first fluid conveying system; and b) a distributing plate, which comprises i) first means for fluid transfer for dividing the fluid flow coming from the delivering points into several partial fluid flows and for distributing the partial fluid flows into the column; and ii) first means for controlling of the partial fluid flows by differential pressure in the first means for fluid transfer.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: February 21, 2006
    Assignee: Finnfeeds Finland Oy
    Inventors: Hannu Paananen, Heikki Heikkilä, Jari Lewandowski, Esko Varteva
  • Publication number: 20040129641
    Abstract: The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributing device and/or the collecting device of the present invention can be used in fixed or fluidized bed reactors or columns, such as chromatographic separation columns, ion exchange columns, adsorption columns etc.
    Type: Application
    Filed: February 25, 2003
    Publication date: July 8, 2004
    Applicant: Finnfeeds Finland Oy
    Inventors: Hannu Paananen, Heikki Heikkila, Jari Lewandowski, Esko Varteva