(19)
(11) EP 4 191 231 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:
28.08.2024 Bulletin 2024/35

(45) Mention of the grant of the patent:
24.07.2024 Bulletin 2024/30

(21) Application number: 22216940.1

(22) Date of filing: 11.11.2019
(51) International Patent Classification (IPC): 
G01N 21/37(2006.01)
G01N 21/53(2006.01)
(52) Cooperative Patent Classification (CPC):
G01N 21/37; G01N 21/534

(54)

PARTICLE SENSOR

TEILCHENSENSOR

CAPTEUR DE PARTICULES


(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: 15.04.2019 EP 19169282

(43) Date of publication of application:
07.06.2023 Bulletin 2023/23

(62) Application number of the earlier application in accordance with Art. 76 EPC:
19208330.1 / 3726200

(73) Proprietor: WoePal GmbH
54311 Trierweiler-Sirzenich (DE)

(72) Inventor:
  • PALZER, Stefan
    54311 Trierweiler-Sirzenich (DE)

(74) Representative: Calysta NV 
Lambroekstraat 5a
1831 Diegem
1831 Diegem (BE)


(56) References cited: : 
US-A1- 2015 092 194
   
  • SCHOLZ LOUISA ET AL: "Miniature Low-Cost Carbon Dioxide Sensor for Mobile Devices", IEEE SENSORS JOURNAL, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 17, no. 9, May 2017 (2017-05-01), pages 2889 - 2895, XP011645739, ISSN: 1530-437X, [retrieved on 20170410], DOI: 10.1109/JSEN.2017.2682638
  • KNOBELSPIES STEFAN ET AL: "Low-cost gas sensing system for the reliable and precise measurement of methane, carbon dioxide and hydrogen sulfide in natural gas and biomethane", SENSORS AND ACTUATORS B: CHEMICAL, ELSEVIER BV, NL, vol. 236, 22 March 2016 (2016-03-22), pages 885 - 892, XP029700012, ISSN: 0925-4005, DOI: 10.1016/J.SNB.2016.03.022
  • VALENTIN WITTSTOCK ET AL: "Design of a LED-based sensor for monitoring the lower explosion limit of methane", SENSORS AND ACTUATORS B: CHEMICAL, vol. 247, August 2017 (2017-08-01), NL, pages 930 - 939, XP055633578, ISSN: 0925-4005, DOI: 10.1016/j.snb.2017.03.086
   
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).