Patents by Inventor Kåre Birk

Kåre Birk 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).

  • Publication number: 20070296259
    Abstract: An adjustable chair construction is described which is particular in that the backrest is linked to the seat by means of at least one hinge construction, where said hinge construction on the seat comprises at least one first projecting member (23) having a curved or linear top section on which top section teeth are arranged, and on the back rest at least one second projecting member (82) having a curved or linear top section on which top section teeth are arranged, such that the teeth on one section mesh with the teeth on the other section, and that at least one connecting member (100) being pivotable fastened to the first and second projecting members (23, 82) maintains the teeth of the curved sections in meshed relationship.
    Type: Application
    Filed: November 29, 2005
    Publication date: December 27, 2007
    Inventors: Kare Birk, Flemming Moller
  • Patent number: D588051
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: March 10, 2009
    Assignee: R82 A/S
    Inventors: Flemming Møller, Kåre Birk
  • Patent number: D598680
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: August 25, 2009
    Assignee: R82 A/S
    Inventor: Kåre Birk
  • Patent number: D744909
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: December 8, 2015
    Assignee: R82 A/S
    Inventor: Kåre Birk