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: 158 967 801 patent documents

This week's update (04/10/2024 12:00 CET):

150 730 new documents added

999 816 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 2356923 B1 20111228 - Rotary drive

Title (en)

Rotary drive

Title (de)

Drehantrieb

Title (fr)

Entraînement rotatif

Publication

EP 2356923 B1 20111228 (DE)

Application

EP 10000438 A 20100119

Priority

EP 10000438 A 20100119

Abstract (en)

[origin: EP2356923A1] The rotary drive has a driving motor (20), an external pipe (10) and end pieces (16) mounted at two ends of the external pipe in a coaxial rotary manner. A spin shaft (32,32a) is provided with a coarse thread. A spin slide gate valve (40) is arranged in the external pipe in stationary and axially adjustably manner. The drive motor is coaxially arranged inside the external tube and in its central length range.

IPC 8 full level

A47C 20/04 (2006.01)

CPC (source: EP)

A47C 20/041 (2013.01)

Designated contracting state (EPC)

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 SE SI SK SM TR

DOCDB simple family (publication)

EP 2356923 A1 20110817; EP 2356923 B1 20111228; AT E538691 T1 20120115

DOCDB simple family (application)

EP 10000438 A 20100119; AT 10000438 T 20100119