GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 155 263 406 patent documents

This week's update (19/04/2024 12:00 CET):

215 613 new documents added

1 342 057 documents amended

GPI key values

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EP 1756637 A4 20100630 - SOLAR TUNABLE FILTER ASSEMBLY

Title (en)

SOLAR TUNABLE FILTER ASSEMBLY

Title (de)

ABSTIMMBARE SOLAR-FILTERBAUGRUPPE

Title (fr)

ENSEMBLE FILTRE SOLAIRE REGLABLE

Publication

EP 1756637 A4 20100630 (EN)

Application

EP 05744022 A 20050505

Priority

US 2005015909 W 20050505
US 56906104 P 20040507

IPC 8 full level

G01J 3/26 (2006.01); G02B 5/22 (2006.01); G02B 5/28 (2006.01); G02B 26/00 (2006.01)

CPC (source: EP)

G01J 3/26 (2013.01); G02B 5/288 (2013.01); G02B 26/001 (2013.01); G01J 2001/0276 (2013.01); G02B 5/282 (2013.01); G02B 5/283 (2013.01); G02B 23/00 (2013.01)

Citation (search report)

[IY] US 6075597 A 20000613 - OLSHAUSEN MICHAEL COHNITZ [US]
[IY] US 5801831 A 19980901 - SARGOYTCHEV STOYAN IVANOV [CA]
[Y] EP 0442738 A2 19910821 - HEWLETT PACKARD CO [US]
[Y] WO 02078140 A1 20021003 - NEW FOCUS INC [US], et al
[IY] US 4433245 A 19840221 - POULTNEY SHERMAN K [US]
See references of WO 2005111684A2

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1756637 A2 20070228; EP 1756637 A4 20100630

DOCDB simple family (application)

EP 05744022 A 20050505