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: 159 823 134 patent documents

This week's update (15/11/2024 12:00 CET):

143 307 new documents added

1 003 170 documents amended

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EP 2938448 B1 20180704 - MULLITE-CONTAINING INVESTMENT CASTING CORE

Title (en)

MULLITE-CONTAINING INVESTMENT CASTING CORE

Title (de)

MULLITHALTIGER FEINGUSSKERN

Title (fr)

NOYAU DE MOULAGE DE PRÉCISION À MODÈLE PERDU CONTENANT DE LA MULLITE

Publication

EP 2938448 B1 20180704 (EN)

Application

EP 13868294 A 20131212

Priority

US 201213729077 A 20121228
US 2013074555 W 20131212

Abstract (en)

[origin: US2014182809A1] An investment casting core includes a mullite-containing core body. The body can be made by providing a mullite-containing powder, forming the powder into a green body, and sintering the green body to form the mullite-containing core body.

IPC 8 full level

B22C 9/10 (2006.01); B22F 3/12 (2006.01)

CPC (source: EP US)

B22C 1/00 (2013.01 - US); B22C 9/10 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

US 2014182809 A1 20140703; EP 2938448 A1 20151104; EP 2938448 A4 20160831; EP 2938448 B1 20180704; WO 2014105436 A1 20140703

DOCDB simple family (application)

US 201213729077 A 20121228; EP 13868294 A 20131212; US 2013074555 W 20131212