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

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EP 0297281 B1 19901227 - TWO-CYLINDER PUMP FOR VISCOUS MATERIAL

Title (en)

TWO-CYLINDER PUMP FOR VISCOUS MATERIAL

Publication

EP 0297281 B1 19901227 (DE)

Application

EP 88108369 A 19880526

Priority

DE 3721248 A 19870627

Abstract (en)

[origin: EP0297281A1] The two-cylinder pump for viscous material has a precompression device (3) which can be flange-connected to the charging vessel (1) in various alignments. <IMAGE>

IPC 1-7

F04B 15/02

IPC 8 full level

F04B 15/02 (2006.01)

CPC (source: EP US)

F04B 15/023 (2013.01 - EP US); Y10S 417/90 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0297281 A1 19890104; EP 0297281 B1 19901227; AT E59435 T1 19910115; DE 3861434 D1 19910207; US 4893992 A 19900116

DOCDB simple family (application)

EP 88108369 A 19880526; AT 88108369 T 19880526; DE 3861434 T 19880526; US 21084988 A 19880624