(19)
(11) EP 3 762 611 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:
11.10.2023 Bulletin 2023/41

(45) Mention of the grant of the patent:
30.08.2023 Bulletin 2023/35

(21) Application number: 19711684.1

(22) Date of filing: 08.03.2019
(51) International Patent Classification (IPC): 
F04C 18/12(2006.01)
F04C 28/26(2006.01)
 F04C 25/02(2006.01)
(52) Cooperative Patent Classification (CPC):
F04C 25/02; F04C 18/126; F04C 28/26
(86) International application number:
PCT/GB2019/050650
(87) International publication number:
WO 2019/171074 (12.09.2019 Gazette 2019/37)

(54)

A VACUUM PUMP WITH A PRESSURE RELIEF VALVE

VAKUUMPUMPE MIT DRUCKENTLASTUNGSVENTIL

POMPE À VIDE DOTÉE D'UNE SOUPAPE DE SURPRESSION

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR 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: 09.03.2018 GB 201803859

(43) Date of publication of application:
13.01.2021 Bulletin 2021/02

(73) Proprietor: Edwards Limited
Burgess Hill, Sussex RH15 9TW (GB)

(72) Inventors:
  • WICKES, Matthew Richard
    Burgess Hill Sussex RH15 9TW (GB)
  • TURNER, Neil
    Burgess Hill Sussex RH15 9TW (GB)
  • HOLBROOK, Alan Ernest Kinnaird
    Burgess Hill Sussex RH15 9TW (GB)
  • KAILASAM, Sivabalan
    Burgess Hill Sussex RH15 9TW (GB)

(74) Representative: Ford, Alexander 
Edwards Limited Innovation Drive
Burgess Hill, West Sussex RH15 9TW
Burgess Hill, West Sussex RH15 9TW (GB)


(56) References cited: : 
DE-A1-102008 034 073
GB-A- 1 405 955
 GB-A- 772 999
SU-A1- 987 182
   
       
    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).