(19)
(11) EP 1 421 356 A2

(12)

(88) Date of publication A3:
14.08.2003

(43) Date of publication:
26.05.2004 Bulletin 2004/22

(21) Application number: 02755286.8

(22) Date of filing: 30.08.2002
(51) International Patent Classification (IPC)7G01L 19/00, G01K 13/02
(86) International application number:
PCT/GB2002/003984
(87) International publication number:
WO 2003/021218 (13.03.2003 Gazette 2003/11)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 31.08.2001 US 338800 P
30.11.2001 GB 0128739

(71) Applicant: Elmwood Sensors Limited
North Shields,Tyne and Wear NE29 8SA (GB)

(72) Inventors:
  • COOK, Damian
    North Shields,Tyne & Wear NE29 6HF (GB)
  • BURNETT, Colin
    Newcastle upon Tyne,Tyne & Wear NE6 5AS (GB)
  • THOMSSEN, Olaf
    Newcastle upon Tyne,Tyne & Wear NE7 7RA (GB)
  • FISCHER, Stefan
    76863 Herxheim/Landau (DE)

(74) Representative: Haley, Stephen et al
Gill Jennings & Every,Broadgate House,7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) A SENSOR UNIT FOR MEASURING PRESSURE AND/OR TEMPERATURE IN A PIPELINE