Patents by Inventor Per Jahren

Per Jahren 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).

  • Attachment of building elements
    Patent number: 7520101
    Abstract: A device for affixing a building element to a supporting element, comprising a guide housing for attachment to the building element or the supporting element. Mounted in the guide housing are at least one movable telescopic member and at least one pull-out cable which is fastened to an attachment point in the telescopic member. The attachment device further comprises at least one return cable fastened to the telescopic member and passed round a winding point to a location for operation of the attachment device or a stop strip for restriction of the extended length of the telescopic member. The attachment device may advantageously be used for affixing concrete elements or affixing staircase elements.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: April 21, 2009
    Inventors: Svein Berg, Per Jahren
  • Attachment of building elements
    Publication number: 20050223659
    Abstract: A device for affixing a building element to a supporting element, comprising a guide housing for attachment to the building element or the supporting element. Mounted in the guide housing are at least one movable telescopic member and at least one pull-out cable which is fastened to an attachment point in the telescopic member. The attachment device further comprises at least one return cable fastened to the telescopic member and passed round a winding point to a location for operation of the attachment device or a stop strip for restriction of the extended length of the telescopic member. The attachment device may advantageously be used for affixing concrete elements or affixing staircase elements.
    Type: Application
    Filed: April 15, 2003
    Publication date: October 13, 2005
    Inventors: Svein Berg, Per Jahren
  • Artificial habitat for lobster
    Patent number: 5860392
    Abstract: A lobster habitat includes one or more elements made of a sea water resistant material that are provided with recesses in their opposite largest surfaces which are intended to form hiding-places for lobster fry.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: January 19, 1999
    Assignee: P.J. Consult A/S
    Inventor: Per Jahren