1
Darko Pervan: Mechanical locking system for floating floor. Valinge Aluminium, Buchanan Ingersoll PC, May 30, 2006: US07051486 (141 worldwide citation)

Floorboards with a mechanical locking system having a separately machined strip which is mechanically joined with the floorboard.


2
Darko Pervan: Locking system and flooring board. Valinge Aluminium, Burns Doane Swecker & Mathis L, September 10, 2002: US06446405 (141 worldwide citation)

A locking system for mechanical joining of floorboards, in which immediately juxtaposed upper parts of taco adjacent joint edges of two joined floorboards together define a joint plane perpendicular to a principal plane of the floorboards, the locking system providing a joining of the two joint edge ...


3
Darko Pervan: Method and equipment for making a building board. Valinge Aluminium, Burns Doane Swecker & Mathis, August 1, 2000: US06094882 (131 worldwide citation)

The invention relates to a method and equipment intended therefore for making a building board 2, comprising a body 5 fitted with a locking device in the form of a strip 10 extended from the body 5 with a formed locking surface 14 for mechanical joining of the board 2 to similar boards, the strip 10 ...


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Darko Pervan: Locking system and flooring board. Valinge Aluminium, Burns Doane Swecker & Mathis L, March 18, 2003: US06532709 (124 worldwide citation)

A floorboard system includes a plurality of floorboards, wherein each of the floorboards is a rectangular floorboard provided with long edges and short edges and having a floorboard body provided with an integrated long edge locking system and an integrated short edge locking system for mechanical j ...


6
Darko Pervan: Floorboard and locking system therefor. Valinge Aluminium, Burns Doane Swecker & Mathis L, August 3, 2004: US06769218 (120 worldwide citation)

A floorboard and an openable locking system therefor comprise an undercut groove on one long side of the floorboard and a projecting tongue on the opposite long side of the floorboard. The undercut groove has a corresponding upwardly directed inner locking surface at a distance from its tip. The ton ...


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Darko Pervan, Marcus Bergelin: Mechanical locking system for panels and method of installing same. Valinge Innovation, Buchanan Ingersoll & Rooney PC, December 22, 2009: US07634884 (114 worldwide citation)

Floor panels are provided with a mechanical locking system including a flexible locking element in a locking groove, which during a horizontal motion is displaced vertically.


9
Darko Pervan: Floor covering and locking systems. Valinge Aluminium, Buchanan Ingersoll & Rooney PC, April 14, 2009: US07516588 (111 worldwide citation)

Floorboards with a mechanical locking system that allows movement between the floorboards when they are joined to form a floating floor.


10
Darko Pervan, Niclas Håkansson, Per Nygren: Mechanical locking system for floor panels. Valinge Aluminium, Buchanan Ingersoll & Rooney PC, November 25, 2008: US07454875 (110 worldwide citation)

Floor panels (1, 1′) are provided with a mechanical locking system including a flexible tongue (30) in a sliding groove (40) which during a vertical folding motion is displaced. Moreover, a tongue blank (50), a production method and an installation method are shown.



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