|
ATE119233T1
(de)
*
|
1990-11-23 |
1995-03-15 |
De Beers Ind Diamond |
Bohrweissel.
|
|
GB9310500D0
(en)
*
|
1993-05-21 |
1993-07-07 |
De Beers Ind Diamond |
Cutting tool
|
|
GB9419261D0
(en)
|
1994-09-23 |
1994-11-09 |
De Beers Ind Diamond |
Saws
|
|
GB2308608B
(en)
*
|
1994-10-31 |
1998-11-18 |
Red Baron The |
2-stage underreamer
|
|
GB9422022D0
(en)
*
|
1994-10-31 |
1994-12-21 |
Red Baron Oil Tools Rental |
Two stage underreamer
|
|
US5823276A
(en)
*
|
1996-12-24 |
1998-10-20 |
Beck, Iii; August H. |
Diamond-tipped core barrel and method of using same
|
|
US6241036B1
(en)
|
1998-09-16 |
2001-06-05 |
Baker Hughes Incorporated |
Reinforced abrasive-impregnated cutting elements, drill bits including same
|
|
GB2366754A
(en)
*
|
2000-09-16 |
2002-03-20 |
Marcrist Internat Ltd |
Rotary cutting or grinding tool
|
|
KR100414006B1
(ko)
*
|
2001-02-20 |
2004-01-07 |
이화다이아몬드공업 주식회사 |
가공팁 및 이를 포함하는 절삭휠, 연마휠, 천공휠
|
|
US6929079B2
(en)
|
2003-02-21 |
2005-08-16 |
Smith International, Inc. |
Drill bit cutter element having multiple cusps
|
|
US6883624B2
(en)
*
|
2003-01-31 |
2005-04-26 |
Smith International, Inc. |
Multi-lobed cutter element for drill bit
|
|
BRPI0606205A2
(pt)
*
|
2005-01-18 |
2009-06-02 |
Groupe Fordia Inc |
broca para a perfuração de um furo
|
|
US7690442B2
(en)
|
2005-05-17 |
2010-04-06 |
Smith International, Inc. |
Drill bit and cutting inserts for hard/abrasive formations
|
|
US7757789B2
(en)
|
2005-06-21 |
2010-07-20 |
Smith International, Inc. |
Drill bit and insert having bladed interface between substrate and coating
|
|
US7743855B2
(en)
|
2006-09-05 |
2010-06-29 |
Smith International, Inc. |
Drill bit with cutter element having multifaceted, slanted top cutting surface
|
|
US9267332B2
(en)
|
2006-11-30 |
2016-02-23 |
Longyear Tm, Inc. |
Impregnated drilling tools including elongated structures
|
|
US9540883B2
(en)
|
2006-11-30 |
2017-01-10 |
Longyear Tm, Inc. |
Fiber-containing diamond-impregnated cutting tools and methods of forming and using same
|
|
CA2671193C
(fr)
*
|
2006-11-30 |
2012-04-24 |
Kristian Drivdahl |
Outils de coupe impregnes de diamant qui contiennent des fibres
|
|
US9506298B2
(en)
|
2013-11-20 |
2016-11-29 |
Longyear Tm, Inc. |
Drill bits having blind-hole flushing and systems for using same
|
|
US9500036B2
(en)
|
2006-12-14 |
2016-11-22 |
Longyear Tm, Inc. |
Single-waterway drill bits and systems for using same
|
|
US7628228B2
(en)
*
|
2006-12-14 |
2009-12-08 |
Longyear Tm, Inc. |
Core drill bit with extended crown height
|
|
US9279292B2
(en)
|
2013-11-20 |
2016-03-08 |
Longyear Tm, Inc. |
Drill bits having flushing and systems for using same
|
|
USD622745S1
(en)
|
2006-12-14 |
2010-08-31 |
Longyear Tm, Inc. |
Drill bit with tapered waterway
|
|
US8459381B2
(en)
*
|
2006-12-14 |
2013-06-11 |
Longyear Tm, Inc. |
Drill bits with axially-tapered waterways
|
|
US7631709B2
(en)
|
2007-01-03 |
2009-12-15 |
Smith International, Inc. |
Drill bit and cutter element having chisel crest with protruding pilot portion
|
|
US7798258B2
(en)
|
2007-01-03 |
2010-09-21 |
Smith International, Inc. |
Drill bit with cutter element having crossing chisel crests
|
|
US7686106B2
(en)
|
2007-01-03 |
2010-03-30 |
Smith International, Inc. |
Rock bit and inserts with wear relief grooves
|
|
US8205692B2
(en)
|
2007-01-03 |
2012-06-26 |
Smith International, Inc. |
Rock bit and inserts with a chisel crest having a broadened region
|
|
US7841426B2
(en)
|
2007-04-05 |
2010-11-30 |
Baker Hughes Incorporated |
Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
|
|
US7845435B2
(en)
|
2007-04-05 |
2010-12-07 |
Baker Hughes Incorporated |
Hybrid drill bit and method of drilling
|
|
PE20090909A1
(es)
*
|
2007-09-05 |
2009-07-02 |
Groupe Fordia Inc |
Barrena perforadora
|
|
US8678111B2
(en)
|
2007-11-16 |
2014-03-25 |
Baker Hughes Incorporated |
Hybrid drill bit and design method
|
|
US20090272582A1
(en)
|
2008-05-02 |
2009-11-05 |
Baker Hughes Incorporated |
Modular hybrid drill bit
|
|
US7819208B2
(en)
|
2008-07-25 |
2010-10-26 |
Baker Hughes Incorporated |
Dynamically stable hybrid drill bit
|
|
US9439277B2
(en)
|
2008-10-23 |
2016-09-06 |
Baker Hughes Incorporated |
Robotically applied hardfacing with pre-heat
|
|
US8450637B2
(en)
|
2008-10-23 |
2013-05-28 |
Baker Hughes Incorporated |
Apparatus for automated application of hardfacing material to drill bits
|
|
WO2010053710A2
(fr)
|
2008-10-29 |
2010-05-14 |
Baker Hughes Incorporated |
Procédé et appareil pour soudage robotique de trépans
|
|
US8047307B2
(en)
|
2008-12-19 |
2011-11-01 |
Baker Hughes Incorporated |
Hybrid drill bit with secondary backup cutters positioned with high side rake angles
|
|
WO2010078131A2
(fr)
|
2008-12-31 |
2010-07-08 |
Baker Hughes Incorporated |
Procédé et appareil pour application automatique de matériau de surfaçage de renfort sur des couteaux rotatifs de trépan de forage de type hybride, trépans hybrides comprenant de tels éléments de coupe à dents d'acier à surfaçage de renfort et procédé d'utilisation
|
|
US8141664B2
(en)
|
2009-03-03 |
2012-03-27 |
Baker Hughes Incorporated |
Hybrid drill bit with high bearing pin angles
|
|
US8056651B2
(en)
|
2009-04-28 |
2011-11-15 |
Baker Hughes Incorporated |
Adaptive control concept for hybrid PDC/roller cone bits
|
|
US8459378B2
(en)
|
2009-05-13 |
2013-06-11 |
Baker Hughes Incorporated |
Hybrid drill bit
|
|
US8157026B2
(en)
|
2009-06-18 |
2012-04-17 |
Baker Hughes Incorporated |
Hybrid bit with variable exposure
|
|
CA2762861C
(fr)
*
|
2009-08-14 |
2016-10-11 |
Longyear Tm, Inc. |
Outil diamante avec profil facial agressif
|
|
US9004198B2
(en)
|
2009-09-16 |
2015-04-14 |
Baker Hughes Incorporated |
External, divorced PDC bearing assemblies for hybrid drill bits
|
|
US8590646B2
(en)
*
|
2009-09-22 |
2013-11-26 |
Longyear Tm, Inc. |
Impregnated cutting elements with large abrasive cutting media and methods of making and using the same
|
|
US8191635B2
(en)
|
2009-10-06 |
2012-06-05 |
Baker Hughes Incorporated |
Hole opener with hybrid reaming section
|
|
US8448724B2
(en)
|
2009-10-06 |
2013-05-28 |
Baker Hughes Incorporated |
Hole opener with hybrid reaming section
|
|
USD630656S1
(en)
*
|
2010-01-26 |
2011-01-11 |
Longyear Tm, Inc. |
Drill bit
|
|
MX340467B
(es)
|
2010-05-20 |
2016-07-08 |
Baker Hughes Incorporated * |
Métodos para formar al menos una porción de herramientas para perforar la tierra y artículos formados por tales métodos.
|
|
CA2804041C
(fr)
|
2010-06-29 |
2016-04-05 |
Baker Hughes Incorporated |
Trepans avec caracteristiques anti-suivis
|
|
US8978786B2
(en)
|
2010-11-04 |
2015-03-17 |
Baker Hughes Incorporated |
System and method for adjusting roller cone profile on hybrid bit
|
|
EP2673451B1
(fr)
|
2011-02-11 |
2015-05-27 |
Baker Hughes Incorporated |
Système et procédé pour retenue de patte sur trépans hybrides
|
|
US9782857B2
(en)
|
2011-02-11 |
2017-10-10 |
Baker Hughes Incorporated |
Hybrid drill bit having increased service life
|
|
US8607899B2
(en)
|
2011-02-18 |
2013-12-17 |
National Oilwell Varco, L.P. |
Rock bit and cutter teeth geometries
|
|
US8657894B2
(en)
|
2011-04-15 |
2014-02-25 |
Longyear Tm, Inc. |
Use of resonant mixing to produce impregnated bits
|
|
CN102425379A
(zh)
*
|
2011-09-23 |
2012-04-25 |
中国地质大学(武汉) |
一种形成稳定预破碎区的镶嵌体钻头
|
|
EP2780532B1
(fr)
|
2011-11-15 |
2020-01-08 |
Baker Hughes, a GE company, LLC |
Trépans de forage hybrides ayant une efficacité de forage accrue
|
|
US9169696B2
(en)
*
|
2011-12-06 |
2015-10-27 |
Baker Hughes Incorporated |
Cutting structures, earth-boring tools including such cutting structures, and related methods
|
|
WO2014015154A1
(fr)
|
2012-07-18 |
2014-01-23 |
Milwaukee Electric Tool Corporation |
Scie cylindrique
|
|
US20140182947A1
(en)
|
2012-12-28 |
2014-07-03 |
Smith International, Inc. |
Cutting insert for percussion drill bit
|
|
SG11201609528QA
(en)
|
2014-05-23 |
2016-12-29 |
Baker Hughes Inc |
Hybrid bit with mechanically attached rolling cutter assembly
|
|
US11428050B2
(en)
|
2014-10-20 |
2022-08-30 |
Baker Hughes Holdings Llc |
Reverse circulation hybrid bit
|
|
CA2973407C
(fr)
|
2015-01-12 |
2022-04-12 |
Longyear Tm, Inc. |
Outils de forage comportant des matrices avec alliages de formation de carbure, et procedes de fabrication et d'utilisation associes
|
|
WO2017014730A1
(fr)
|
2015-07-17 |
2017-01-26 |
Halliburton Energy Services, Inc. |
Trépan hybride à éléments de coupe à contre-rotation au centre
|
|
WO2017123562A1
(fr)
|
2016-01-13 |
2017-07-20 |
Schlumberger Technology Corporation |
Plaquette à ciseau coudé
|
|
RU172461U1
(ru)
*
|
2017-02-14 |
2017-07-11 |
Федеральное государственное автономное образовательное учреждение высшего образования "Северо-Восточный федеральный университет имени М.К.Аммосова" |
Буровая коронка для бурения в условиях криолитозоны (с продувкой воздухом)
|
|
WO2020014340A1
(fr)
|
2018-07-10 |
2020-01-16 |
Milwaukee Electric Tool Corporation |
Scie-cloche dotée de trous à parois latérales hexagonales
|
|
WO2020257303A1
(fr)
|
2019-06-20 |
2020-12-24 |
Milwaukee Electric Tool Corporation |
Scie-cloche dotée de trous à parois latérales circulaires
|
|
USD958855S1
(en)
|
2019-12-09 |
2022-07-26 |
Milwaukee Electric Tool Corporation |
Hole saw
|