(19)
(11) EP 1 401 247 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
18.05.2016 Bulletin 2016/20

(45) Mention of the grant of the patent:
16.03.2016 Bulletin 2016/11

(21) Application number: 03021266.6

(22) Date of filing: 19.09.2003
(51) International Patent Classification (IPC): 
H05F 3/04(2006.01)

(54)

Method and apparatus for offset voltage control in bipolar ionization systems

Verfahren und Vorrichtung zur Regelung der Offsetspannung in bipolaren Ionisationssystemen

Procédé et dispositif pour le contrôle de la tension de décalage dans systèmes d'ionisation bipolaire

(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 20.09.2002 US 412237 P
11.09.2003 US 660001

(43) Date of publication of application:
24.03.2004 Bulletin 2004/13

(73) Proprietor: Illinois Tool Works, Inc.
Illinois 60025 (US)

(72) Inventors:
  • Gorczyca, John
    Lansdale Pennsylvania 19446 (US)
  • Reagan, David D.
    Wilmington Delaware 19810 (US)

(74) Representative: Trinks, Ole et al
Meissner, Bolte & Partner GbR Postfach 10 26 05
86016 Augsburg
86016 Augsburg (DE)


(56) References cited: : 
EP-A- 1 067 828
US-A- 4 757 421
 US-A- 4 477 263
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).