(19)
(11) EP 3 229 986 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:
08.11.2023 Bulletin 2023/45

(45) Mention of the grant of the patent:
04.10.2023 Bulletin 2023/40

(21) Application number: 15867535.5

(22) Date of filing: 09.12.2015
(51) International Patent Classification (IPC): 
B08B 9/04(2006.01)
E21B 23/08(2006.01)
F16L 55/38(2006.01)
 F16L 55/46(2006.01)
F16L 45/00(2006.01)
B08B 9/055(2006.01)
(52) Cooperative Patent Classification (CPC):
B08B 9/055; F16L 55/46
(86) International application number:
PCT/US2015/064727
(87) International publication number:
WO 2016/094525 (16.06.2016 Gazette 2016/24)

(54)

AUTOMATED PIG LAUNCHING SYSTEM

AUTOMATISIERTES MOLCHZUFÜHRUNGSSYSTEM

SYSTÈME DE LANCEMENT DE RACLEURS AUTOMATISÉ

(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: 10.12.2014 US 201462090057 P

(43) Date of publication of application:
18.10.2017 Bulletin 2017/42

(73) Proprietor: Weldfit Corporation
Houston, TX 77024 (US)

(72) Inventors:
  • SANDER, Russ C.
    Houston, TX 77092 (US)
  • WINT, David D.
    Houston, TX 77092 (US)
  • SALE, Todd K.
    Houston, TX 77092 (US)
  • RIGGS, Roxy R.
    Houston, TX 77092 (US)
  • SAHM, Douglas A.
    Houston, TX 77092 (US)
  • DRZEWIECKI, Grey J.
    Houston, TX 77092 (US)

(74) Representative: Marks & Clerk LLP 
15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)


(56) References cited: : 
WO-A1-99/23438
US-A- 3 404 421
US-A- 4 709 719
US-A- 6 022 421
US-A1- 2011 100 479
US-B1- 6 533 032
 DE-U1- 9 412 043
US-A- 4 135 949
US-A- 5 139 576
US-A1- 2010 132 737
US-B1- 6 336 238
US-B1- 6 925 671
   
       
    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).