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Current content: 155 263 406 patent documents

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215 613 new documents added

1 342 057 documents amended

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EP 1172496 A3 20021120 - Double facade

Title (en)

Double facade

Title (de)

Doppelfassade

Title (fr)

Façade double

Publication

EP 1172496 A3 20021120 (DE)

Application

EP 01115774 A 20010710

Priority

DE 10033535 A 20000711

Abstract (en)

[origin: EP1172496A2] The building facade has an inner skin (12) and an outer skin (16), with a ventilated intermediate space (22) between them. The outer skin is provided with an electrochromic, phototropic and/or thermotropic glazing (18) for acting as solar protection, the inner skin provided with windows (14) which can be opened for ventilation.

IPC 1-7

E04B 2/88

IPC 8 full level

E04B 2/88 (2006.01)

CPC (source: EP)

E04B 2/88 (2013.01)

Citation (search report)

[YD] DE 4424524 A1 19960208 - WICONA BAUSYSTEME GMBH [DE]
[Y] EP 0440156 A2 19910807 - FRAUNHOFER GES FORSCHUNG [DE]
[Y] EP 0961159 A2 19991201 - BAYER AG [DE]
[Y] US 5657149 A 19970812 - BUFFAT BERNARD [FR], et al

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1172496 A2 20020116; EP 1172496 A3 20021120; DE 10033535 A1 20020131

DOCDB simple family (application)

EP 01115774 A 20010710; DE 10033535 A 20000711