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Charles H. Dewey
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Patents Grants
last 30 patents
Information
Patent Grant
Milling tools with a secondary attrition system
Patent number
11,111,748
Issue date
Sep 7, 2021
Wellbore Integrity Solutions LLC
Manoj D. Mahajan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Thru-casing section mill
Patent number
10,815,745
Issue date
Oct 27, 2020
Wellbore Integrity Solutions LLC
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cementing whipstock assembly and running tool with releasably engag...
Patent number
10,704,329
Issue date
Jul 7, 2020
John E. Campbell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual-action hydraulically operable anchor and methods of operation...
Patent number
10,689,930
Issue date
Jun 23, 2020
John Lloyd Crabb
E21 - EARTH DRILLING MINING
Information
Patent Grant
Milling tools with a secondary attrition system
Patent number
10,538,983
Issue date
Jan 21, 2020
Schlumberger Technology Corporation
Manoj D. Mahajan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual string section mill
Patent number
10,000,986
Issue date
Jun 19, 2018
Smith International Inc.
Ronald G. Schmidt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion drilling assembly and hammer bit with gage and outer row...
Patent number
9,605,485
Issue date
Mar 28, 2017
Smith International, Inc.
Shantanu Swadi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coring bit to whipstock systems and methods
Patent number
9,512,680
Issue date
Dec 6, 2016
Smith International, Inc.
John Campbell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatuses and methods for stabilizing downhole tools
Patent number
9,488,009
Issue date
Nov 8, 2016
Smith International, Inc.
Navish Makkar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Selective deployment of underreamers and stabilizers
Patent number
9,428,962
Issue date
Aug 30, 2016
Smith International, Inc.
Manoj D. Mahajan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Radially expandable stabilizer
Patent number
9,322,227
Issue date
Apr 26, 2016
Smith International, Inc.
James A. Simpson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cementing whipstock apparatus and methods
Patent number
9,206,648
Issue date
Dec 8, 2015
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual string section mill
Patent number
9,097,073
Issue date
Aug 4, 2015
Smith International, Inc.
Ronald G. Schmidt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatuses and methods for stabilizing downhole tools
Patent number
9,051,793
Issue date
Jun 9, 2015
Smith International, Inc.
Navish Makkar
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for coupling an impregnated drill bit to a whipstock
Patent number
8,997,895
Issue date
Apr 7, 2015
Smith International, Inc.
Shantanu N. Swadi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Jet arrangement on an expandable downhole tool
Patent number
8,978,783
Issue date
Mar 17, 2015
Smith International, Inc.
Brian Cruickshank
E21 - EARTH DRILLING MINING
Information
Patent Grant
Integrated reaming and measurement system and related methods of use
Patent number
8,973,679
Issue date
Mar 10, 2015
Smith International, Inc.
Charles Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressure activated flow switch for a downhole tool
Patent number
8,967,300
Issue date
Mar 3, 2015
Smith International, Inc.
Charles H Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic stabilizer for use with a downhole casing cutter
Patent number
8,887,798
Issue date
Nov 18, 2014
Smith International, Inc.
James A. Simson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Expandable window milling bit and methods of milling a window in ca...
Patent number
8,881,845
Issue date
Nov 11, 2014
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Side-tracking system and related methods
Patent number
8,844,620
Issue date
Sep 30, 2014
Smith International, Inc.
Philip M. Gregurek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cementing whipstock apparatus and methods
Patent number
8,820,437
Issue date
Sep 2, 2014
Smith International, Inc.
David L. Ervin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion drilling assembly and hammer bit with gage and outer row...
Patent number
8,763,729
Issue date
Jul 1, 2014
Smith International, Inc.
Shantanu Swadi
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for coupling a drill bit to a whipstock
Patent number
8,739,900
Issue date
Jun 3, 2014
Smith International, Inc.
Philip M. Gregurek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion drilling assembly having a floating feed tube
Patent number
8,651,202
Issue date
Feb 18, 2014
Smith International, Inc.
Shantanu Swadi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Flexible directional drilling apparatus and related methods
Patent number
8,640,792
Issue date
Feb 4, 2014
Smith International, Inc.
Lance D. Underwood
E21 - EARTH DRILLING MINING
Information
Patent Grant
Milling system and method of milling
Patent number
8,459,357
Issue date
Jun 11, 2013
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion drilling assembly and hammer bit with gage and outer row...
Patent number
8,387,725
Issue date
Mar 5, 2013
Smith International, Inc.
Shantanu Swadi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Expandable window milling bit and methods of milling a window in ca...
Patent number
8,186,458
Issue date
May 29, 2012
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting device with multiple cutting structures
Patent number
8,122,977
Issue date
Feb 28, 2012
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
BI-MILL DEPLOYED WITH DUAL-ACTION HYDRAULICALLY OPERABLE ANCHOR AND...
Publication number
20200318435
Publication date
Oct 8, 2020
WILDCAT OIL TOOLS, LLC
John Lloyd Crabb
E21 - EARTH DRILLING MINING
Information
Patent Application
Milling Tools with a Secondary Attrition System
Publication number
20200149364
Publication date
May 14, 2020
Wellbore Integrity Solutions LLC
Manoj D. Mahajan
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENTING WHIPSTOCK ASSEMBLY AND RUNNING TOOL WITH RELEASABLY ENGAG...
Publication number
20200087987
Publication date
Mar 19, 2020
WILDCAT OIL TOOLS, LLC
John E. Campbell
E21 - EARTH DRILLING MINING
Information
Patent Application
BI-MILL FOR MILLING AN OPENING THROUGH A WELLBORE CASING AND IN A P...
Publication number
20200011134
Publication date
Jan 9, 2020
WILDCAT OIL TOOLS, INC.
KENNETH NEVLUD
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL-ACTION HYDRAULICALLY OPERABLE ANCHOR AND METHODS OF OPERATION...
Publication number
20190330944
Publication date
Oct 31, 2019
WILDCAT OIL TOOLS, LLC
JOHN LLOYD CRABB
E21 - EARTH DRILLING MINING
Information
Patent Application
THRU-CASING SECTION MILL
Publication number
20190024461
Publication date
Jan 24, 2019
SCHLUMBERGER TECHNOLOGY CORPORATION
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Application
MILLABLE BIT TO WHIPSTOCK CONNECTOR
Publication number
20190003264
Publication date
Jan 3, 2019
SCHLUMBERGER TECHNOLOGY CORPORATION
Shantanu N. Swadi
E21 - EARTH DRILLING MINING
Information
Patent Application
MILLING TOOLS WITH A SECONDARY ATTRITION SYSTEM
Publication number
20160040496
Publication date
Feb 11, 2016
Smith International, Inc.
Manoj D. Mahajan
E21 - EARTH DRILLING MINING
Information
Patent Application
MILLING SYSTEM PROVIDING CUTTINGS RE-CIRCULATION
Publication number
20160040495
Publication date
Feb 11, 2016
Smith International, Inc.
Manoj D. Mahajan
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL STRING SECTION MILL
Publication number
20150292289
Publication date
Oct 15, 2015
Smith International, Inc.
Ronald G. Schmidt
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUSES AND METHODS FOR STABILIZING DOWNHOLE TOOLS
Publication number
20150285004
Publication date
Oct 8, 2015
Smith International, Inc.
Navish Makkar
E21 - EARTH DRILLING MINING
Information
Patent Application
RADIALLY EXPANDABLE STABILIZER
Publication number
20150053391
Publication date
Feb 26, 2015
Smith International, Inc.
James A. Simson
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR COUPLING A DRILL BIT TO A WHIPSTOCK
Publication number
20140216819
Publication date
Aug 7, 2014
Smith International, Inc.
Philip M. Gregurek
E21 - EARTH DRILLING MINING
Information
Patent Application
CORING BIT TO WHIPSTOCK SYSTEMS AND METHODS
Publication number
20140166367
Publication date
Jun 19, 2014
Smith International, Inc.
John Campbell
E21 - EARTH DRILLING MINING
Information
Patent Application
SELECTIVE DEPLOYMENT OF UNDERREAMERS AND STABILIZERS
Publication number
20140102797
Publication date
Apr 17, 2014
Smith International, Inc.
Manoj D. Mahajan
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENTING WHIPSTOCK APPARATUS AND METHODS
Publication number
20130213654
Publication date
Aug 22, 2013
Smith International, Inc.
CHARLES H. DEWEY
E21 - EARTH DRILLING MINING
Information
Patent Application
ACTUATION SYSTEM AND METHOD FOR A DOWNHOLE TOOL
Publication number
20130206401
Publication date
Aug 15, 2013
Smith International, Inc.
SAMEER P. BHOITE
E21 - EARTH DRILLING MINING
Information
Patent Application
PRESSURE ACTIVATED FLOW SWITCH FOR A DOWNHOLE TOOL
Publication number
20130175095
Publication date
Jul 11, 2013
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DRILLING ASSEMBLY AND HAMMER BIT WITH GAGE AND OUTER ROW...
Publication number
20130175096
Publication date
Jul 11, 2013
Smith International, Inc.
Shantanu Swadi
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUSES AND METHODS FOR STABILIZING DOWNHOLE TOOLS
Publication number
20130146361
Publication date
Jun 13, 2013
Smith International, Inc.
Navish Makkar
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC STABILIZER FOR USE WITH A DOWNHOLE CASING CUTTER
Publication number
20130048287
Publication date
Feb 28, 2013
Smith International, Inc.
James A. Simson
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL STRING SECTION MILL
Publication number
20120325480
Publication date
Dec 27, 2012
Smith International, Inc.
Ronald G. Schmidt
E21 - EARTH DRILLING MINING
Information
Patent Application
JET ARRANGEMENT ON AN EXPANDABLE DOWNHOLE TOOL
Publication number
20120298423
Publication date
Nov 29, 2012
Smith International, Inc.
Brian Cruickshank
E21 - EARTH DRILLING MINING
Information
Patent Application
EXPANDABLE DOWNHOLE CASING COUPLING LOCATOR TOOL
Publication number
20120279709
Publication date
Nov 8, 2012
Smith International, Inc.
James Bain
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR COUPLING AN IMPREGNATED DRILL BIT TO A WHIPSTOCK
Publication number
20120261193
Publication date
Oct 18, 2012
Shantanu N. Swadi
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR COUPLING A DRILL BIT TO A WHIPSTOCK
Publication number
20120255785
Publication date
Oct 11, 2012
Philip M. Gregurek
E21 - EARTH DRILLING MINING
Information
Patent Application
EXPANDABLE WINDOW MILLING BIT AND METHODS OF MILLING A WINDOW IN CA...
Publication number
20120228032
Publication date
Sep 13, 2012
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Application
INTEGRATED REAMING AND MEASUREMENT SYSTEM AND RELATED METHODS OF USE
Publication number
20120211280
Publication date
Aug 23, 2012
Smith International, Inc.
Charles Dewey
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DRILLING ASSEMBLY HAVING A FLOATING FEED TUBE
Publication number
20110192650
Publication date
Aug 11, 2011
Smith International, Inc.
Shantanu Swadi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SIDE-TRACKING SYSTEM AND RELATED METHODS
Publication number
20110155468
Publication date
Jun 30, 2011
Smith International, Inc.
Philip M. Gregurek
E21 - EARTH DRILLING MINING