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Current content: 157 636 699 patent documents

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43 606 new documents added

1 129 815 documents amended

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EP 1520988 B1 20060118 - Hydraulically driven membrane pump

Title (en)

Hydraulically driven membrane pump

Title (de)

Schlauchmembran-kolbenpumpe

Title (fr)

Pompe à membrane à actionnement hydraulique

Publication

EP 1520988 B1 20060118 (DE)

Application

EP 03022050 A 20031001

Priority

EP 03022050 A 20031001

Abstract (en)

[origin: EP1520988A1] The hose-membrane piston pump (1) comprises a housing (2) which is provided at least on the side opposite to the control disk (27) with a protruding support surface (28) for the membrane (3) when the latter is expanded beyond its normal limit during a suction stroke.

IPC 8 full level

F04B 43/107 (2006.01)

CPC (source: EP)

F04B 43/107 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1520988 A1 20050406; EP 1520988 B1 20060118; AT E316208 T1 20060215; DE 50302222 D1 20060406

DOCDB simple family (application)

EP 03022050 A 20031001; AT 03022050 T 20031001; DE 50302222 T 20031001