Patents by Inventor Eero Koivisto

Eero Koivisto 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).

  • ISDN monitoring
    Publication number: 20030039265
    Abstract: The invention relates to a method and a system for the dividing of a connection channel of an ISDN network between a packet connection channel and other traffic. In dividing, monitoring is utilized which enables one to find out the free channels and the engaged packet connection channels.
    Type: Application
    Filed: August 1, 2002
    Publication date: February 27, 2003
    Inventors: Martti Yrjana, Esa-Petri Inkero, Juha Pajuvirta, Sami Kivilaakso, Eero Koivisto
  • Method of mixing paints and their toners
    Patent number: 4335759
    Abstract: A machine for mixing paints and their toners, comprising a plurality of toner containers wherefrom required quantities of selected toners are added to a basic paint can. Each toner container is at its upper end provided with a back pressure valve allowing air to enter into the container as the toner level sinks but preventing air from leaving the container.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: June 22, 1982
    Assignee: Winter Osakeyhtio
    Inventors: Veikko Pattiniemi, Eero Koivisto, Heikki Kokki, Aslak R. Heikel
  • Air cleaner
    Patent number: D690803
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: October 1, 2013
    Assignee: Blueair AB
    Inventors: Eero Koivisto, Ola Rune, Mårten Claesson
  • Lamp
    Patent number: D823505
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: July 17, 2018
    Assignee: FONTANAARTE S.p.A.
    Inventors: Marten Claesson, Eero Koivisto, Ola Rune