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Mitchell A. Rothe
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Spring, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
No blade bit
Patent number
10,920,497
Issue date
Feb 16, 2021
Ulterra Drilling Technologies, L.P.
Mitchell Rothe
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring tools having fixed blades and rotatable cutting struct...
Patent number
10,801,266
Issue date
Oct 13, 2020
Baker Hughes, a GE company, LLC
Gregory L. Ricks
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reamers for earth-boring applications having increased stability an...
Patent number
10,597,947
Issue date
Mar 24, 2020
Baker Hughes, a GE company, LLC
Nathaniel R. Adams
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 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
Patents Applications
last 30 patents
Information
Patent Application
HYBRID PDC BIT
Publication number
20210010330
Publication date
Jan 14, 2021
ULTERRA DRILLING TECHNOLOGIES, L.P.
Mitchell Rothe
E21 - EARTH DRILLING MINING
Information
Patent Application
NO BLADE BIT
Publication number
20200217142
Publication date
Jul 9, 2020
ULTERRA DRILLING TECHNOLOGIES, L.P.
Mitchell Rothe
E21 - EARTH DRILLING MINING
Information
Patent Application
EARTH-BORING TOOLS HAVING FIXED BLADES AND ROTATABLE CUTTING STRUCT...
Publication number
20190352970
Publication date
Nov 21, 2019
BAKER HUGHES, A GE COMPANY, LLC
Gregory L. Ricks
E21 - EARTH DRILLING MINING
Information
Patent Application
REAMERS FOR EARTH-BORING APPLICATIONS HAVING INCREASED STABILITY AN...
Publication number
20190352972
Publication date
Nov 21, 2019
BAKER HUGHES, A GE COMPANY, LLC
Nathaniel R. Adams
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
REVERSE CIRCULATION HYBRID BIT
Publication number
20160108680
Publication date
Apr 21, 2016
BAKER HUGHES INCORPORATED
Mitchell ROTHE
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