(19)
(11) EP 4 148 229 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:
27.03.2024 Bulletin 2024/13

(45) Mention of the grant of the patent:
21.02.2024 Bulletin 2024/08

(21) Application number: 22161156.9

(22) Date of filing: 09.03.2022
(51) International Patent Classification (IPC): 
E21B 43/08(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 43/08

(54)

SHIELDING APPARATUS AND METHOD OF USE

ABSCHIRMUNGSGERÄT UND VERFAHREN ZUR VERWENDUNG

APPAREIL DE PROTECTION ET PROCÉDÉ D'UTILISATION

(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: 10.09.2021 US 202117472306

(43) Date of publication of application:
15.03.2023 Bulletin 2023/11

(73) Proprietor: Tubular Perforating Mfg
Conroe, TX 77301 (US)

(72) Inventors:
  • BLACKBURNE, Jr. Edward F.
    Conroe, TX (US)
  • MALBREL, Christophe
    Houston, TX (US)

(74) Representative: Lecomte & Partners 
76-78, rue de Merl
2146 Luxembourg
2146 Luxembourg (LU)


(56) References cited: : 
EP-A2- 2 383 431
US-A- 6 158 507
US-A1- 2019 093 458
 WO-A1-2014/137332
US-A1- 2017 362 921
   
       
    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).