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Michael S. Damschen
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hybrid drill bit and design method
Patent number
10,871,036
Issue date
Dec 22, 2020
Baker Hughes, a GE company, LLC
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bit and design method
Patent number
10,316,589
Issue date
Jun 11, 2019
Baker Hughes, a GE company, LLC
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bits having increased drilling efficiency
Patent number
10,190,366
Issue date
Jan 29, 2019
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bits
Patent number
10,072,462
Issue date
Sep 11, 2018
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bit
Patent number
9,670,736
Issue date
Jun 6, 2017
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bits having increased drilling efficiency
Patent number
9,353,575
Issue date
May 31, 2016
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for adjusting roller cone profile on hybrid bit
Patent number
8,978,786
Issue date
Mar 17, 2015
Baker Hughes Incorporated
Don Q. Nguyen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bit and design method
Patent number
8,678,111
Issue date
Mar 25, 2014
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bit
Patent number
8,459,378
Issue date
Jun 11, 2013
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modular hybrid drill bit
Patent number
8,356,398
Issue date
Jan 22, 2013
Baker Hughes Incorporated
Ron D. McCormick
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Hybrid drill bit with secondary backup cutters positioned with high...
Patent number
8,047,307
Issue date
Nov 1, 2011
Baker Hughes Incorporated
Rudolf Carl Pessier
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bit and method of drilling
Patent number
7,845,435
Issue date
Dec 7, 2010
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bit with fixed cutters as the sole cutting elements in...
Patent number
7,841,426
Issue date
Nov 30, 2010
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dynamically stable hybrid drill bit
Patent number
7,819,208
Issue date
Oct 26, 2010
Baker Hughes Incorporated
Rudolf Carl Pessier
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HYBRID DRILL BIT AND DESIGN METHOD
Publication number
20190352971
Publication date
Nov 21, 2019
BAKER HUGHES, A GE COMPANY, LLC
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
Hybrid Drill Bits Having Increased Drilling Efficiency
Publication number
20160251902
Publication date
Sep 1, 2016
BAKER HUGHES INCORPORATED
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID DRILL BITS
Publication number
20160230467
Publication date
Aug 11, 2016
BAKER HUGHES INCORPORATED
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID DRILL BIT AND DESIGN METHOD
Publication number
20140202771
Publication date
Jul 24, 2014
BAKER HUGHES INCORPORATED
Anton F. ZAHRADNIK
E21 - EARTH DRILLING MINING
Information
Patent Application
Hybrid Drill Bit
Publication number
20140151131
Publication date
Jun 5, 2014
BAKER HUGHES INCORPORATED
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
Hybrid Drill Bits Having Increased Drilling Efficiency
Publication number
20130313021
Publication date
Nov 28, 2013
BAKER HUGHES INCORPORATED
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ADJUSTING ROLLER CONE PROFILE ON HYBRID BIT
Publication number
20120111638
Publication date
May 10, 2012
BAKER HUGHES INCORPORATED
Don Q. NGUYEN
E21 - EARTH DRILLING MINING
Information
Patent Application
EARLY WEAR DETECTION
Publication number
20110290560
Publication date
Dec 1, 2011
BAKER HUGHES INCORPORATED
Robert J. Buske
E21 - EARTH DRILLING MINING
Information
Patent Application
MODULAR HYBRID DRILL BIT
Publication number
20110120269
Publication date
May 26, 2011
BAKER HUGHES INCORPORATED
Ron D. McCORMICK
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID DRILL BIT
Publication number
20100288561
Publication date
Nov 18, 2010
BAKER HUGHES INCORPORATED
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
BEARING BLOCKS FOR DRILL BITS, DRILL BIT ASSEMBLIES INCLUDING BEARI...
Publication number
20100276200
Publication date
Nov 4, 2010
BAKER HUGHES INCORPORATED
Thorsten Schwefe
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID DRILL BIT WITH SECONDARY BACKUP CUTTERS POSITIONED WITH HIGH...
Publication number
20100155145
Publication date
Jun 24, 2010
Rudolf Carl Pessier
E21 - EARTH DRILLING MINING
Information
Patent Application
DYNAMICALLY STABLE HYBRID DRILL BIT
Publication number
20100018777
Publication date
Jan 28, 2010
Rudolf Carl Pessier
E21 - EARTH DRILLING MINING
Information
Patent Application
MODULAR HYBRID DRILL BIT
Publication number
20090272582
Publication date
Nov 5, 2009
BAKER HUGHES INCORPORATED
Ron D. McCORMICK
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID DRILL BIT AND DESIGN METHOD
Publication number
20090126998
Publication date
May 21, 2009
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
Hybrid drill bit with fixed cutters as the sole cutting elements in...
Publication number
20080296068
Publication date
Dec 4, 2008
Baker Hughes Incorporated
Anton F. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Application
Hybrid Drill Bit and Method of Drilling
Publication number
20080264695
Publication date
Oct 30, 2008
BAKER HUGHES INCORPORATED
Anton F. Zahradnik
E21 - EARTH DRILLING MINING