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: 156 632 791 patent documents

This week's update (21/06/2024 12:00 CET):

121 162 new documents added

981 197 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 0205033 B1 19910502 - LENS GRINDING APPARATUS

Title (en)

LENS GRINDING APPARATUS

Publication

EP 0205033 B1 19910502 (EN)

Application

EP 86107174 A 19860527

Priority

JP 7969485 U 19850528

Abstract (en)

[origin: EP0205033A2] A lens grinding apparatus having: a carriage including lens rotating shafts (28a, 28b) for clamping and rotating a lens (LE) to be ground, and a grinding wheel (3) for grinding said lens (LE), said grinding apparatus being characterized in that the box of said carriage accommodates lens-configuration measuring means (600) constituted by, at least one of feelers which can be brought into contact with said lens, and detecting means for detecting the magnitude of travel of said feelers.

IPC 1-7

B24B 9/14

IPC 8 full level

B24B 9/14 (2006.01); B24B 47/22 (2006.01)

CPC (source: EP)

B24B 47/225 (2013.01)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0205033 A2 19861217; EP 0205033 A3 19880224; EP 0205033 B1 19910502; DE 3678998 D1 19910606; JP H0524438 Y2 19930622; JP S61195960 U 19861206

DOCDB simple family (application)

EP 86107174 A 19860527; DE 3678998 T 19860527; JP 7969485 U 19850528