Global Patent Index - EP 1034373 A1

EP 1034373 A1 2000-09-13 - 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 (EN)

Application

EP 98960419 A

Priority

  • US 9825056 W
  • US 6661897 P
  • US 2020898 A

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 (main, further and additional classification)

F04B 53/10; F04B 43/02; F16K 15/14

IPC 8 full level (invention and additional information)

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

CPC (invention and additional information)

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

Citation (search report)

See references of WO 9927253A1

Designated contracting state (EPC)

DE DK FR GB IT

EPO simple patent family

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

INPADOC legal status


2002-12-11 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020601

2000-09-13 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000518

2000-09-13 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE DK FR GB IT