Patents by Inventor Juhani Helosvuori

Juhani Helosvuori 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: 7245197
    Abstract: The invention relates to a liquid-cooled choke comprising a choke core (1), a choke coil (2) and a path (3) for a cooling liquid to cool the choke. The choke core (1) is divided into at least two parts (1a, 1b) arranged in a cooling profile (4) to which the path (3) for the cooling liquid is arranged and which at the same time provides the choke with a frame and an assembly jig.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: July 17, 2007
    Assignee: ABB OY
    Inventors: Juhani Helosvuori, Markku Talja
  • Publication number: 20050179513
    Abstract: The invention relates to a liquid-cooled choke comprising a choke core (1), a choke coil (2) and a path (3) for a cooling liquid to cool the choke. The choke core (1) is divided into at least two parts (1a, 1b) arranged in a cooling profile (4) to which the path (3) for the cooling liquid is arranged and which at the same time provides the choke with a frame and an assembly jig.
    Type: Application
    Filed: January 31, 2005
    Publication date: August 18, 2005
    Inventors: Juhani Helosvuori, Markku Talja
  • Patent number: D686158
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 16, 2013
    Assignee: ABB Oy
    Inventors: Juhani Helosvuori, Marjukka Mäkelä, Pertti Seväkivi, Mika Asikainen, Petri Isaksson
  • Patent number: D691088
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: October 8, 2013
    Assignee: ABB Oy
    Inventors: Juhani Helosvuori, Marjukka Makela
  • Patent number: D691557
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: October 15, 2013
    Assignee: Abb Oy
    Inventors: Juhani Helosvuori, Marjukka Mäkelä, Petri Isaksson
  • Patent number: D691558
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 15, 2013
    Assignee: ABB Oy
    Inventors: Juhani Helosvuori, Marjukka Mäkelä, Pertti Seväkivi, Mika Asikainen