Patents by Inventor Daniel Fredriksson

Daniel Fredriksson 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: 9549477
    Abstract: The invention relates to a housing for electronic components with the housing comprising at least a front housing part and a rear housing part. The front housing part and the rear housing part are arranged to be sealed by means of a sealing gasket upon attaching the front housing part to the rear housing part. The housing comprises at least one ventilation opening to prevent build-up of negative pressure inside the housing, where the ventilation opening is covered by a protective covering comprising a through opening. The through opening is arranged to allow water to flow through the through opening, thereby preventing a build up of pressure inside the protective covering. A method for manufacturing a housing according to the invention is also disclosed.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: January 17, 2017
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    Inventors: Per Hillstrom, Mikael Fardig, Daniel Fredriksson, Sofia Olsson
  • Patent number: 9521903
    Abstract: The invention refers to a rack module comprising a first plate on one side of the module and a second plate on the other side of the module. The planes of the plates are parallel to one another, and each of the plates comprises two holes for a fastening device, for fastening of the rack module to a rack cabinet. The holes are arranged such that they make the corners of a quadrangle. The first and second plates each comprise two oblong holes, each of the oblong holes is arranged in connection with one of the other holes such that the oblong holes are parallel with each other.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: December 20, 2016
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventor: Daniel Fredriksson
  • Publication number: 20150021066
    Abstract: The invention relates to a housing for electronic components with the housing comprising at least a front housing part and a rear housing part. The front housing part and the rear housing part are arranged to be sealed by means of a sealing gasket upon attaching the front housing part to the rear housing part. The housing comprises at least one ventilation opening to prevent build-up of negative pressure inside the housing, where the ventilation opening is covered by a protective covering comprising a through opening. The through opening is arranged to allow water to flow through the through opening, thereby preventing a build up of pressure inside the protective covering. A method for manufacturing a housing according to the invention is also disclosed.
    Type: Application
    Filed: February 28, 2012
    Publication date: January 22, 2015
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Per Hillstrom, Mikael Fardig, Daniel Fredriksson, Sofia Olsson
  • Publication number: 20130240469
    Abstract: The invention refers to a rack module comprising a first plate on one side of the module and a second plate on the other side of the module. The planes of the plates are parallel to one another, and each of the plates comprises two holes for a fastening device, for fastening of the rack module to a rack cabinet. The holes are arranged such that they make the corners of a quadrangle. The first and second plates each comprise two oblong holes, each of the oblong holes is arranged in connection with one of the other holes such that the oblong holes are parallel with each other.
    Type: Application
    Filed: November 3, 2010
    Publication date: September 19, 2013
    Applicant: Telefonaktiebolaget LM Ericsson (Publ)
    Inventor: Daniel Fredriksson