Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04D
ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
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13/00
Special arrangements or devices in connection with roof coverings; Protection against birds;; Roof drainage; ; Sky-lights;
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E04D13/16
Insulating devices or arrangements in so far as the roof covering is concerned,; e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
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E04D13/1606
Insulation of the roof covering characterised by its integration in the roof structure
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E04D13/1612
the roof structure comprising a supporting framework of roof purlins or rafters
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E04D13/1637
the roof purlins or rafters being mainly insulated from the interior, e.g. the insulating material being fixed under or suspended from the supporting framework
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