Global Patent Index - EP 1034375 A1

EP 1034375 A1 2000-09-13 - PUMP/MOTOR ASSEMBLY

Title (en)

PUMP/MOTOR ASSEMBLY

Title (de)

PUMPE/MOTOR ANORDNUNG

Title (fr)

"ENSEMBLE MOTEUR/POMPE"

Publication

EP 1034375 A1 (EN)

Application

EP 98956989 A

Priority

  • GB 9803524 W
  • GB 9724899 A

Abstract (en)

[origin: WO9927256A1] A pump and, in reverse operation, a motor, for pumping viscous fluids is disclosed, comprising a rotor and stator each having opposite handed threads, and a fluid path between them, one of the stator motor having a solid body, typically in the sense that it has no throughbore.

IPC 1-7 (main, further and additional classification)

F04D 3/02

IPC 8 full level (invention and additional information)

E21B 43/12 (2006.01); F04D 3/02 (2006.01)

CPC (invention and additional information)

E21B 43/121 (2013.01); F04D 3/02 (2013.01)

Citation (search report)

See references of WO 9927256A1

Designated contracting state (EPC)

AT BE DE DK ES FI FR GB GR IE IT NL PT SE

EPO simple patent family

WO 9927256 A1 19990603; AU 1342199 A 19990615; BR 9814911 A 20001003; CA 2314350 A1 19990603; CN 1279747 A 20010110; EP 1034375 A1 20000913; GB 9724899 D0 19980128; ID 27608 A 20010412

INPADOC legal status


2002-06-19 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20011210

2001-07-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010529

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

- Effective date: 20000614

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

- Kind Code of Ref Document: A1

- Designated State(s): AT BE DE DK ES FI FR GB GR IE IT NL PT SE

2000-09-13 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL PAYMENT 20000623;LT PAYMENT 20000623;LV PAYMENT 20000623;RO PAYMENT 20000623