Membership
Tour
Register
Log in
Douglas B. Caraway
Follow
Person
Oconomowoc, WI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Drill bit with offset counter-rotating cutters
Patent number
12,012,807
Issue date
Jun 18, 2024
Halliburton Energy Services, Inc.
Douglas Bruce Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea well equipment landing indicator and locking indicator
Patent number
11,143,020
Issue date
Oct 12, 2021
AKER SOLUTIONS AS
Thiago Bigarella
B32 - LAYERED PRODUCTS
Information
Patent Grant
Storing data based on a value associated with an ambient condition...
Patent number
10,822,945
Issue date
Nov 3, 2020
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sealing elements for roller cone bits
Patent number
10,774,593
Issue date
Sep 15, 2020
Halliburton Energy Services, Inc.
Shiwei Qin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea well equipment landing indicator and locking indicator
Patent number
10,655,454
Issue date
May 19, 2020
AKER SOLUTIONS AS
Thiago Bigarella
B32 - LAYERED PRODUCTS
Information
Patent Grant
Hardfacing metal parts
Patent number
10,422,186
Issue date
Sep 24, 2019
Halliburton Energy Services, Inc.
Christopher Joseph Cleboski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wellbore drilling systems with vibration subs
Patent number
9,982,487
Issue date
May 29, 2018
Halliburton Energy Services, Inc.
Robello Samuel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hard composite with deformable constituent and method of applying t...
Patent number
8,945,720
Issue date
Feb 3, 2015
National-Oilwell Varco, L.P.
Harold Sreshta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Drill bit with enhanced hydraulics and erosion-shield cutting teeth
Patent number
8,733,475
Issue date
May 27, 2014
National Oilwell DHT, L.P.
Thang Vo
E21 - EARTH DRILLING MINING
Information
Patent Grant
PDC cutter with stress diffusing structures
Patent number
8,721,752
Issue date
May 13, 2014
ReedHycalog UK Limited
John Michael Fuller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rotary drill bit for casting milling and formation drilling
Patent number
7,025,156
Issue date
Apr 11, 2006
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit for directional drilling in cobble formations
Patent number
6,789,635
Issue date
Sep 14, 2004
Earth Tool Company, L.L.C.
Steven W. Wentworth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drag-type rotary drill bit
Patent number
6,371,226
Issue date
Apr 16, 2002
Camco International Inc.
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drag-type rotary drill bit
Patent number
6,193,000
Issue date
Feb 27, 2001
Camco International Inc.
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wear indicator for rotary drilling tools
Patent number
6,167,833
Issue date
Jan 2, 2001
Camco International Inc.
Douglas Bruce Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fixed cutter drill bits with thin, integrally formed wear and erosi...
Patent number
6,135,218
Issue date
Oct 24, 2000
Camco International Inc.
John D. Deane
E21 - EARTH DRILLING MINING
Information
Patent Grant
Choke device
Patent number
6,116,355
Issue date
Sep 12, 2000
Camco Drilling Group Limited of Hycalog
Richard Edward Thorp
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drill bits
Patent number
6,092,613
Issue date
Jul 25, 2000
Camco International (UK) Limited
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drill bits
Patent number
5,992,547
Issue date
Nov 30, 1999
Camco International (UK) Limited
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drill bits
Patent number
5,967,246
Issue date
Oct 19, 1999
Camco International (UK) Limited
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and related equipment for rotary drilling
Patent number
5,950,742
Issue date
Sep 14, 1999
Camco International Inc.
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Matrix hard facing by lost wax process
Patent number
5,944,128
Issue date
Aug 31, 1999
Camco International (UK) Limited
David Truax
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rotary drill bits
Patent number
5,904,213
Issue date
May 18, 1999
Camco International (UK) Limited
Douglas Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drill bit with hardfaced fluid passages and method of manufa...
Patent number
5,829,539
Issue date
Nov 3, 1998
Camco Drilling Group Limited
Alex Newton
E21 - EARTH DRILLING MINING
Information
Patent Grant
In or relating to rotary drill bits
Patent number
5,732,783
Issue date
Mar 31, 1998
Camco Drilling Group Limited of Hycalog
David Truax
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rotary drill bits having nozzles to enhance recirculation
Patent number
5,699,868
Issue date
Dec 23, 1997
Camco Drilling Group Limited
Douglas Caraway
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DRILL BIT WITH OFFSET COUNTER-ROTATING CUTTERS
Publication number
20230167688
Publication date
Jun 1, 2023
Halliburton Energy Services, Inc.
Douglas Bruce Caraway
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsea well equipment landing indicator and locking indicator
Publication number
20200182046
Publication date
Jun 11, 2020
AKER SOLUTIONS AS
Thiago BIGARELLA
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsea well equipment landing indicator and locking indicator
Publication number
20190178077
Publication date
Jun 13, 2019
AKER SOLUTIONS AS
Thiago BIGARELLA
E21 - EARTH DRILLING MINING
Information
Patent Application
SEALING ELEMENTS FOR ROLLER CONE BITS
Publication number
20190119987
Publication date
Apr 25, 2019
Halliburton Energy Services, Inc.
Shiwei Qin
E21 - EARTH DRILLING MINING
Information
Patent Application
HARDFACING METAL PARTS
Publication number
20180202233
Publication date
Jul 19, 2018
Halliburton Energy Services, Inc.
Christopher Joseph CLEBOSKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WELLBORE DRILLING SYSTEMS WITH VIBRATION SUBS
Publication number
20160053546
Publication date
Feb 25, 2016
Halliburton Energy Services, Inc.
Robello Samuel
E21 - EARTH DRILLING MINING
Information
Patent Application
HARD COMPOSITE WITH DEFORMABLE CONSTITUENT AND METHOD OF APPLYING T...
Publication number
20150107908
Publication date
Apr 23, 2015
National-Oilwell Varco, L.P.
Harold Sreshta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DRILL BIT WITH ENHANCED HYDRAULICS AND EROSION-SHIELD CUTTING TEETH
Publication number
20120193149
Publication date
Aug 2, 2012
National Oilwell DHT, L.P.
Tom Roberts
E21 - EARTH DRILLING MINING
Information
Patent Application
PDC Cutter with Stress Diffusing Structures
Publication number
20110212303
Publication date
Sep 1, 2011
Reedhycalog UK Limited
John Michael Fuller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Hard Composite with Deformable Constituent and Method of Applying t...
Publication number
20110031028
Publication date
Feb 10, 2011
National Oilwell Varco, L.P.
Harold Sreshta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Hydraulic Optimization of Drilling Fluids in Borehole Drilling
Publication number
20040108138
Publication date
Jun 10, 2004
Iain Cooper
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill bit and method for directional drilling in cobble formations
Publication number
20030024741
Publication date
Feb 6, 2003
Steven W. Wentworth
E21 - EARTH DRILLING MINING
Information
Patent Application
Starter rod for use in back reaming
Publication number
20020139582
Publication date
Oct 3, 2002
Douglas B. Caraway
E21 - EARTH DRILLING MINING
Information
Patent Application
Bit for horizontal boring
Publication number
20020112894
Publication date
Aug 22, 2002
Douglas B. Caraway
E21 - EARTH DRILLING MINING