Patents by Inventor Markku Kulomäki

Markku Kulomäki 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: 9462373
    Abstract: The present invention provides an improved loudspeaker enclosure comprising two opposing end sections arranged at a distance from each other and enclosing sections which connect the end sections over said distance, wherein the inner volume of the enclosure is defined by said sections. The enclosure also has a reflex port which comprises a reflex opening which is provided to the enclosure and adapted to exhaust internal pressure from the inner volume to outside the enclosure. The reflex port further comprises an inner reflex port former which connects the inner volume of the enclosure to the reflex opening for forming the reflex port. The reflex port former is formed by molding as an integral inner wall section which extends inwards from the inner surface of either or both end section.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: October 4, 2016
    Assignee: Genelec Oy
    Inventors: Markku Kulomäki, Siamäk Naghian, Jussi Väisänen, Ilpo Martikainen, Harri Koskinen
  • Patent number: 9020178
    Abstract: The present invention provides a novel drive unit mounting arrangement, in which a drive unit having a chassis is mounted to a cabinet from at least two sides. The arrangement comprises a member for securing the drive unit to the cabinet from mounting points of the chassis. The arrangement further comprises a suspension member between the mounting points of the chassis and the cabinet such as to suspend the drive unit chassis elastically to the cabinet for allowing suspension in both forward and rearward directions.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: April 28, 2015
    Assignee: Genelec Oy
    Inventors: Ilpo Martikainen, Markku Kulomäki, Aki Mäkivirta, Jussi Väisänen, Noa Eskelinen, Jari Mäkinen, Pekka Nissinen
  • Publication number: 20120308063
    Abstract: The present invention provides a novel drive unit mounting arrangement, in which a drive unit having a chassis is mounted to a cabinet from at least two sides. The arrangement comprises a member for securing the drive unit to the cabinet from mounting points of the chassis. The arrangement further comprises a suspension member between the mounting points of the chassis and the cabinet such as to suspend the drive unit chassis elastically to the cabinet for allowing suspension in both forward and rearward directions.
    Type: Application
    Filed: December 17, 2009
    Publication date: December 6, 2012
    Applicant: GENELEC OY
    Inventors: Ilpo Martikainen, Markku Kulomäki, Aki Mäkivirta, Jussi Väisänen, Noa Eskelinen, Jari Mäkinen, Pekka Nissinen
  • Patent number: D521494
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: May 23, 2006
    Assignee: Genelec Oy
    Inventors: Harri Koskinen, Markku Kulomäki, Ilpo Martikainen, Jari Mäkinen, Ari Varla