(19)
(11) EP 4 512 265 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.06.2025 Bulletin 2025/24

(43) Date of publication A2:
26.02.2025 Bulletin 2025/09

(21) Application number: 25151008.7

(22) Date of filing: 13.03.2020
(51) International Patent Classification (IPC): 
A24F 40/50(2020.01)
A24F 40/20(2020.01)
 A24F 40/57(2020.01)
(52) Cooperative Patent Classification (CPC):
A24F 40/50; A24F 40/57
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 22.03.2019 EP 19020143

(62) Application number of the earlier application in accordance with Art. 76 EPC:
20715690.2 / 3941250

(71) Applicant: Imperial Tobacco Limited
Bristol BS3 2LL (GB)

(72) Inventors:
  • FERRIE, Kate
    Bristol, BS3 2LL (GB)
  • SHENTON, Ross
    Bristol, BS3 2LL (GB)
  • BENYEZZAR, Med
    Bristol, BS3 2LL (GB)
  • LORD, Chris
    Bristol, BS3 2LL (GB)
  • ZITZKE, Roland
    Bristol, BS3 2LL (GB)

(74) Representative: Mewburn Ellis LLP 
Aurora Building Counterslip
Bristol BS1 6BX
Bristol BS1 6BX (GB)

   


(54) SMOKING SUBSTITUTE SYSTEM


(57) A smoking substitute device and method of operating a smoking substitute device are described. The device includes a puff measurement means configured to measure a puff duration associated with a user puff action. The device includes a controller configured to change an operating temperature of a heating element of the smoking substitute device, based on the measured puff duration.







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