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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: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0077409 A1 19830427 - Method of determining coke level.

Title (en)

Method of determining coke level.

Title (de)

Verfahren zur Bestimmung der Kokshöhe.

Title (fr)

Procédé pour déterminer le niveau de coke.

Publication

EP 0077409 A1 19830427 (EN)

Application

EP 81108452 A 19811017

Priority

EP 81108452 A 19811017

Abstract (en)

Instruments measure and periodically store coke vertical temperature profile data sets at multiple coke guide levels within expected level range. Computer detects highest level in each data set above a reference temperature and terminal plots coke level as a function thereof.

IPC 1-7

C10B 33/14; C10B 31/00

IPC 8 full level

C10B 31/00 (2006.01); C10B 33/14 (2006.01)

CPC (source: EP)

C10B 31/00 (2013.01); C10B 33/14 (2013.01)

Citation (search report)

[Y] GB 2073408 A 19811014 - BRITISH STEEL CORP
[Y] GB 694336 A 19530715 - GAZ DE FRANCE
[A] DE 1226074 B 19661006 - STILL FA CARL

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0077409 A1 19830427; EP 0077409 B1 19860102; AT E17255 T1 19860115; DE 3173395 D1 19860213

DOCDB simple family (application)

EP 81108452 A 19811017; AT 81108452 T 19811017; DE 3173395 T 19811017