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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 documents amended

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 0997691 B1 20041013 - Heater body

Title (en)

Heater body

Title (de)

Heizkörper

Title (fr)

Elément chauffant

Publication

EP 0997691 B1 20041013 (DE)

Application

EP 99250367 A 19991017

Priority

AT 118099 A 19990708
DE 19850432 A 19981027

Abstract (en)

[origin: EP0997691A2] The water heater is formed from 2 symmetrical half shells connected together by a mechanical splice and the heating element is arranged on its outside under an intermediate layer of an electrical insulator. The water channel and inlet and outlet are arranged symmetrically about the axis of the heater. The external water supply is fitted with an electrical control device connected to the heater.

IPC 1-7

F24H 1/12

IPC 8 full level

F24H 1/12 (2006.01)

CPC (source: EP)

F24H 1/121 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

DE 29918763 U1 20000127; DE 59910820 D1 20041118; EP 0997691 A2 20000503; EP 0997691 A3 20020828; EP 0997691 B1 20041013

DOCDB simple family (application)

DE 29918763 U 19991018; DE 59910820 T 19991017; EP 99250367 A 19991017