EP0487355B1
(de)
*
|
1990-11-23 |
1995-03-01 |
De Beers Industrial Diamond Division (Proprietary) Limited |
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
|
AU3750195A
(en)
*
|
1994-10-31 |
1996-05-23 |
Phoenix P.A. Limited |
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
|
US6883624B2
(en)
|
2003-01-31 |
2005-04-26 |
Smith International, Inc. |
Multi-lobed cutter element for drill bit
|
US6929079B2
(en)
|
2003-02-21 |
2005-08-16 |
Smith International, Inc. |
Drill bit cutter element having multiple cusps
|
CN101137816B
(zh)
*
|
2005-01-18 |
2011-06-01 |
格鲁佩佛迪亚公司 |
钻头
|
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
|
ES2635721T3
(es)
*
|
2006-11-30 |
2017-10-04 |
Longyear Tm, Inc. |
Herramientas de corte impregnadas de diamante que contienen fibras
|
US9540883B2
(en)
|
2006-11-30 |
2017-01-10 |
Longyear Tm, Inc. |
Fiber-containing diamond-impregnated cutting tools and methods of forming and using same
|
US8459381B2
(en)
|
2006-12-14 |
2013-06-11 |
Longyear Tm, Inc. |
Drill bits with axially-tapered waterways
|
US7628228B2
(en)
*
|
2006-12-14 |
2009-12-08 |
Longyear Tm, Inc. |
Core drill bit with extended crown height
|
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
|
US9279292B2
(en)
|
2013-11-20 |
2016-03-08 |
Longyear Tm, Inc. |
Drill bits having flushing and systems for using same
|
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
|
US8205692B2
(en)
|
2007-01-03 |
2012-06-26 |
Smith International, Inc. |
Rock bit and inserts with a chisel crest having a broadened region
|
US7686106B2
(en)
|
2007-01-03 |
2010-03-30 |
Smith International, Inc. |
Rock bit and inserts with wear relief grooves
|
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
|
US8450637B2
(en)
|
2008-10-23 |
2013-05-28 |
Baker Hughes Incorporated |
Apparatus for automated application of hardfacing material to drill bits
|
US9439277B2
(en)
|
2008-10-23 |
2016-09-06 |
Baker Hughes Incorporated |
Robotically applied hardfacing with pre-heat
|
WO2010053710A2
(en)
|
2008-10-29 |
2010-05-14 |
Baker Hughes Incorporated |
Method and apparatus for robotic welding of drill bits
|
US8047307B2
(en)
|
2008-12-19 |
2011-11-01 |
Baker Hughes Incorporated |
Hybrid drill bit with secondary backup cutters positioned with high side rake angles
|
BRPI0923809A2
(pt)
|
2008-12-31 |
2015-07-14 |
Baker Hughes Inc |
Método e aparelho para aplicação automatizada de material de revestimento duro em cortadores rolantes de brocas de perfuração de terra tipo híbridas, brocas híbridas compreendendo tais elementos de corte de dentes de aço com revestimento duro, e métodos de uso das mesmas
|
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
|
TR201816359T4
(tr)
|
2009-08-14 |
2018-11-21 |
Longyear Tm Inc |
Agresif yüz profiline sahip elmas kaplı uç.
|
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
|
US8448724B2
(en)
|
2009-10-06 |
2013-05-28 |
Baker Hughes Incorporated |
Hole opener with hybrid reaming section
|
US8191635B2
(en)
|
2009-10-06 |
2012-06-05 |
Baker Hughes Incorporated |
Hole opener with hybrid reaming section
|
CN103003010A
(zh)
|
2010-05-20 |
2013-03-27 |
贝克休斯公司 |
形成钻地工具的至少一部分的方法,以及通过此类方法形成的制品
|
SA111320565B1
(ar)
|
2010-06-29 |
2014-09-10 |
Baker Hughes Inc |
لقمة تروس حفر ذات خواص مضادة للتعقب
|
US8978786B2
(en)
|
2010-11-04 |
2015-03-17 |
Baker Hughes Incorporated |
System and method for adjusting roller cone profile on hybrid bit
|
US9782857B2
(en)
|
2011-02-11 |
2017-10-10 |
Baker Hughes Incorporated |
Hybrid drill bit having increased service life
|
SG192650A1
(en)
|
2011-02-11 |
2013-09-30 |
Baker Hughes Inc |
System and method for leg retention on hybrid bits
|
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
|
MX351357B
(es)
|
2011-11-15 |
2017-10-11 |
Baker Hughes Inc |
Barrenas de perforación híbridas que tienen eficiencia incrementada de perforación.
|
US9169696B2
(en)
*
|
2011-12-06 |
2015-10-27 |
Baker Hughes Incorporated |
Cutting structures, earth-boring tools including such cutting structures, and related methods
|
US9579732B2
(en)
|
2012-07-18 |
2017-02-28 |
Milwaukee Electric Tool Corporation |
Hole saw
|
US20140183798A1
(en)
|
2012-12-28 |
2014-07-03 |
Smith International, Inc. |
Manufacture of cutting elements having lobes
|
MX2016015278A
(es)
|
2014-05-23 |
2017-03-03 |
Baker Hughes Inc |
Broca hibrida con elementos de cono de rodillo unidos mecanicamente.
|
US11428050B2
(en)
|
2014-10-20 |
2022-08-30 |
Baker Hughes Holdings Llc |
Reverse circulation hybrid bit
|
CA2973407C
(en)
|
2015-01-12 |
2022-04-12 |
Longyear Tm, Inc. |
Drilling tools having matrices with carbide-forming alloys, and methods of making and using same
|
US10557311B2
(en)
|
2015-07-17 |
2020-02-11 |
Halliburton Energy Services, Inc. |
Hybrid drill bit with counter-rotation cutters in center
|
AU2017207287A1
(en)
|
2016-01-13 |
2018-07-12 |
Schlumberger Technology B.V. |
Angled chisel insert
|
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
(en)
|
2018-07-10 |
2020-01-16 |
Milwaukee Electric Tool Corporation |
Hole saw with hex sidewall holes
|
USD958855S1
(en)
|
2019-12-09 |
2022-07-26 |
Milwaukee Electric Tool Corporation |
Hole saw
|