(19)
(11) EP 3 207 283 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:
01.04.2020 Bulletin 2020/14

(45) Mention of the grant of the patent:
12.02.2020 Bulletin 2020/07

(21) Application number: 15850474.6

(22) Date of filing: 01.10.2015
(51) International Patent Classification (IPC): 
E21B 4/10(2006.01)
F16H 25/00(2006.01)
E21B 10/26(2006.01)
 E21B 10/46(2006.01)
E21B 10/40(2006.01)
E21B 10/14(2006.01)
(86) International application number:
PCT/US2015/053389
(87) International publication number:
WO 2016/060849 (21.04.2016 Gazette 2016/16)

(54)

BORING APPARATUS AND METHOD

BOHRVORRICHTUNG UND VERFAHREN

APPAREIL ET PROCÉDÉ DE FORAGE

(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: 17.10.2014 US 201462065372 P
24.09.2015 US 201514864016

(43) Date of publication of application:
23.08.2017 Bulletin 2017/34

(73) Proprietor: Ashmin Holding LLC
Houston, TX 77041 (US)

(72) Inventors:
  • VON GYNZ-REKOWSKI, Gunther, HH
    Montgomery, TX 77316 (US)
  • WILLIAMS, Michael, V.
    Conroe, TX 77304 (US)

(74) Representative: Murgitroyd & Company 
Murgitroyd House 165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)


(56) References cited: : 
EP-A1- 0 432 786
US-A- 1 746 455
US-A- 2 725 215
US-A- 3 443 446
US-A- 5 028 217
US-A1- 2004 182 189
US-B1- 6 231 468
 WO-A1-2009/111887
US-A- 2 054 255
US-A- 3 375 889
US-A- 4 718 291
US-A- 5 809 837
US-A1- 2011 247 882
   
       
    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).