Ventilation installation, is positioned in gable for natural ventilation of room and has housing with ventilation channel extending through housing and electrically driven closure component placed in closed position
NL1019097C2
Ventilation device, especially for mounting in rabbet with double glazing, has coextruded or coinjected sealing strip along casing flange
NL1019099C2
Ventilation device, especially for mounting in rabbet with double glazing, includes pivotable part near flange for forming tight seal against panel
NL1019100C2
Ventilation device, especially for mounting in rabbet with double glazing, has rabbet seal slanting away from central vertical plane through device casing
NL1019101C2
Ventilation device for mounting in e.g. window, has casing profile with deformable strip for cooperating with rigid part clamped inside profile
NL1019098C2
Ventilation device with pivoting flap, especially for mounting in rabbet with double glazing, contains plate forming extension of open flap
NL1017867C2
Air vent for ventilating indoor spaces with outside air, includes sensor for opening or closing ventilation channel depending on difference in inside and outside air pressure
NL1010788A1
Window frame construction is positionable in wall aperture of building, particularly in outer facade, and involves frame installable along edges of aperture, with anchor components fitted on jambs of frame
NL1009416C2
Ventilation system for double glazed panels has two plastic profiles joined by aluminum extrusion which supports magnetic catch for sealing flap
NL1009415C2
Ventilation assembly for prefabricated window unit has cylindrical, spiral wound, wire screen to exclude insects, involves minimal resistance to flow of air
NL1009007C2
Ventilation panel for conservatories and double glazed assemblies has aluminium extrusions with horizontal shaped sealing lamina attached at their ends to vertical spacers
NL1006698C2
Ventilator for installation in window frame
NL1005961C2
Ventilation device for positioning in gap of window frame
NL1003145A1
Ventilation system fitted in building - facade has continuous curved centre line without kins
NL9400318A
Ventilation arrangement and glazing rubber designed for such a ventilation arrangement
