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Current content: 155 519 367 patent documents

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123 361 new documents added

1 354 331 documents amended

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EP 1034373 A1 20000913 - DIAPHRAGM PUMP WITH MODIFIED VALVES

Title (en)

DIAPHRAGM PUMP WITH MODIFIED VALVES

Title (de)

MEMBRANPUMPE MIT MODIFIZIERTER VENTILANORDNUNG

Title (fr)

POMPE A MEMBRANE A SOUPAPES MODIFIEES

Publication

EP 1034373 A1 20000913 (EN)

Application

EP 98960419 A 19981123

Priority

US 9825056 W 19981123
US 6661897 P 19971126
US 2020898 A 19980206

Abstract (en)

[origin: WO9927253A1] A diaphragm or gasket pump is provided with modified outlet valve and/or inlet valve assemblies which enhance the outlet and/or inlet valve effectiveness and provide long, effective valve lives.

IPC 1-7

F04B 53/10; F04B 43/02; F16K 15/14

IPC 8 full level

F04B 43/02 (2006.01); F04B 53/10 (2006.01); F16K 15/14 (2006.01)

CPC (source: EP US)

F04B 43/026 (2013.01 - EP US); F04B 53/1065 (2013.01 - EP); F16K 15/148 (2013.01 - EP)

Citation (search report)

See references of WO 9927253A1

Designated contracting state (EPC)

DE DK FR GB IT

DOCDB simple family (publication)

WO 9927253 A1 19990603; CN 1285899 A 20010228; EP 1034373 A1 20000913

DOCDB simple family (application)

US 9825056 W 19981123; CN 98813107 A 19981123; EP 98960419 A 19981123