(19)
(11) EP 2 029 978 A2

(12)

(43) Date of publication:
04.03.2009 Bulletin 2009/10

(21) Application number: 06784434.0

(22) Date of filing: 19.05.2006
(51) International Patent Classification (IPC): 
G01F 23/20(2006.01)
(86) International application number:
PCT/US2006/019315
(87) International publication number:
WO 2007/136366 (29.11.2007 Gazette 2007/48)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(71) Applicant: QUALITROL CORPORATION
Fairport, NY14450-1390 (US)

(72) Inventors:
  • HERZ, Joshua, J.
    Rochester, NY 14607 (US)
  • LINDMARK, John, Peter
    SE-12948 Hagersten (SE)
  • LARSSON, Per, Arne
    SE-135 49 Tyreso (SE)

(74) Representative: Greene, Simon Kenneth 
Elkington and Fife LLP Prospect House 8 Pembroke Road
Sevenoaks, Kent TN13 1XR
Sevenoaks, Kent TN13 1XR (GB)

   


(54) CALIBRATABLE FLUID LEVEL MONITORING GAUGE