Anton F. Zahradnik

Person

Corsicana, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Modular earth boring tools having fixed blades and removable blade...
- Patent number 11,732,531
- Issue date Aug 22, 2023
- Baker Hughes Oilfield Operations LLC
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
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
Earth-boring tools and methods of forming earth-boring tools
- Patent number 9,810,026
- Issue date Nov 7, 2017
- 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
Drill bit with a dynamic metal seal
- Patent number 9,316,055
- Issue date Apr 19, 2016
- Baker Hughes Incorporated
- Chih Lin
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Enhanced backup ring edge features for metal face seal in roller co...
- Patent number 9,249,629
- Issue date Feb 2, 2016
- Baker Hughes Incorporated
- Chih Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable reamer tools
- Patent number 9,187,960
- Issue date Nov 17, 2015
- Baker Hughes Incorporated
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Enhanced backup ring features for metal face seal in roller cone dr...
- Patent number 9,157,280
- Issue date Oct 13, 2015
- Baker Hughes Incorporated
- Chih Lin
- 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
Earth-boring tools and methods of forming earth-boring tools
- Patent number 8,925,654
- Issue date Jan 6, 2015
- Baker Hughes Incorporated
- Anton F. Zahradnik
- B22 - CASTING POWDER METALLURGY
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
Expandable earth-boring wellbore reamers and related methods
- Patent number 8,453,763
- Issue date Jun 4, 2013
- Baker Hughes Incorporated
- Steven R. Radford
- 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 high bearing pin angles
- Patent number 8,141,664
- Issue date Mar 27, 2012
- Baker Hughes Incorporated
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Grant
Conformal bearing for rock drill bit
- Patent number 8,028,770
- Issue date Oct 4, 2011
- Baker Hughes Incorporated
- Aaron J. Dick
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Expandable reamers for earth-boring applications and methods of usi...
- Patent number 7,997,354
- Issue date Aug 16, 2011
- Baker Hughes Incorporated
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded cone retention system for roller cone bits
- Patent number 7,975,779
- Issue date Jul 12, 2011
- Baker Hughes Incorporated
- Anton F. Zahradnik
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Expandable reamers for earth boring applications
- Patent number 7,900,717
- Issue date Mar 8, 2011
- Baker Hughes Incorporated
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Conformal bearing for rock drill bit
- Patent number 7,861,805
- Issue date Jan 4, 2011
- Baker Hughes Incorporated
- Aaron J. Dick
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shank structure for rotary drill bits
- Patent number 7,861,806
- Issue date Jan 4, 2011
- Baker Hughes Incorporated
- Anton F. Zahradnik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Excluder ring for earth-boring bit
- Patent number 7,708,090
- Issue date May 4, 2010
- Baker Hughes Incorporated
- Anton Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 7,600,589
- Issue date Oct 13, 2009
- Baker Hughes Incorporated
- Anton F. Zahradnik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods of fabricating rotary drill bits
- Patent number 7,594,454
- Issue date Sep 29, 2009
- Baker Hughes Incorporated
- Anton F. Zahradnik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MODULAR EARTH BORING TOOLS HAVING FIXED BLADES AND REMOVABLE BLADE...
- Publication number 20220389766
- Publication date Dec 8, 2022
- Baker Hughes Oilfield Operations LLC
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
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
Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Co...
- Publication number 20150330152
- Publication date Nov 19, 2015
- BAKER HUGHES INCORPORATED
- Chih Lin
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH-BORING TOOLS AND METHODS OF FORMING EARTH-BORING TOOLS
- Publication number 20150107909
- Publication date Apr 23, 2015
- BAKER HUGHES INCORPORATED
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit with a Dynamic Metal Seal
- Publication number 20140326514
- Publication date Nov 6, 2014
- BAKER HUGHES INCORPORATED
- Chih Lin
- E21 - EARTH DRILLING MINING
Information Patent Application
Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Co...
- Publication number 20140225328
- Publication date Aug 14, 2014
- BAKER HUGHES INCORPORATED
- Chih Lin
- E21 - EARTH DRILLING MINING
Information Patent Application
Enhanced Backup Ring Features for Metal Face Seal in Roller Cone D...
- Publication number 20140225327
- Publication date Aug 14, 2014
- BAKER HUGHES INCORPORATED
- Chih Lin
- 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
EXPANDABLE REAMER METHODS
- Publication number 20130264122
- Publication date Oct 10, 2013
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH-BORING TOOLS AND METHODS OF FORMING EARTH-BORING TOOLS
- Publication number 20130146370
- Publication date Jun 13, 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
EXPANDABLE EARTH-BORING WELLBORE REAMERS AND RELATED METHODS
- Publication number 20110266060
- Publication date Nov 3, 2011
- BAKER HUGHES INCORPORATED
- Steven R. Radford
- E21 - EARTH DRILLING MINING
Information Patent Application
Expandable Reamers for Earth Boring Applications
- Publication number 20110203849
- Publication date Aug 25, 2011
- BAKER HUGHES INCORPORATED
- Steven R. Radford
- 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
CONFORMAL BEARING FOR ROCK DRILL BIT
- Publication number 20110061940
- Publication date Mar 17, 2011
- BAKER HUGHES INCORPORATED
- Aaron J. Dick
- E21 - EARTH DRILLING MINING
Information Patent Application
Seal Ring With Auxiliary Ring for Earth-Boring Bit
- Publication number 20110024199
- Publication date Feb 3, 2011
- BAKER HUGHES INCORPORATED
- Anton Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Application
BEARING SYSTEMS CONTAINING DIAMOND ENHANCED MATERIALS AND DOWNHOLE...
- Publication number 20110024198
- Publication date Feb 3, 2011
- BAKER HUGHES INCORPORATED
- Aaron J. Dick
- 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
HYBRID DRILL BIT WITH HIGH BEARING PIN ANGLES
- Publication number 20100224417
- Publication date Sep 9, 2010
- BAKER HUGHES INCORPORATED
- Anton F. ZAHRADNIK
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID DRILL BIT WITH HIGH PILOT-TO-JOURNAL DIAMETER RATIO
- Publication number 20100155146
- Publication date Jun 24, 2010
- BAKER HUGHES INCORPORATED
- Don Q. Nguyen
- E21 - EARTH DRILLING MINING
Information Patent Application
BEARING SEAL WITH IMPROVED CONTACT WIDTH
- Publication number 20100147595
- Publication date Jun 17, 2010
- BAKER HUGHES INCORPORATED
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED CONE RETENTION SYSTEM FOR ROLLER CONE BITS
- Publication number 20100071959
- Publication date Mar 25, 2010
- Baker Hughes Inc.
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Application
SHANK STRUCTURE FOR ROTARY DRILL BITS
- Publication number 20100012392
- Publication date Jan 21, 2010
- BAKER HUGHES INCORPORATED
- Anton F. Zahradnik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Earth Boring Bit with DLC Coated Bearing and Seal
- Publication number 20090321146
- Publication date Dec 31, 2009
- BAKER HUGHES INCORPORATED
- Aaron J. Dick
- E21 - EARTH DRILLING MINING
Information Patent Application
CONFORMAL BEARING FOR ROCK DRILL BIT
- Publication number 20090283332
- Publication date Nov 19, 2009
- BAKER HUGHES INCORPORATED
- Aaron J. Dick
- 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

Anton F. Zahradnik

Person

Patents Grantslast 30 patents

Modular earth boring tools having fixed blades and removable blade...

Hybrid drill bit and design method

Hybrid drill bit and design method

Hybrid drill bits having increased drilling efficiency

Hybrid drill bits

Earth-boring tools and methods of forming earth-boring tools

Hybrid drill bit

Hybrid drill bits having increased drilling efficiency

Drill bit with a dynamic metal seal

Enhanced backup ring edge features for metal face seal in roller co...

Expandable reamer tools

Enhanced backup ring features for metal face seal in roller cone dr...

System and method for adjusting roller cone profile on hybrid bit

Earth-boring tools and methods of forming earth-boring tools

Hybrid drill bit and design method

Hybrid drill bit

Expandable earth-boring wellbore reamers and related methods

Modular hybrid drill bit

Hybrid drill bit with high bearing pin angles

Conformal bearing for rock drill bit

Expandable reamers for earth-boring applications and methods of usi...

Threaded cone retention system for roller cone bits

Expandable reamers for earth boring applications

Conformal bearing for rock drill bit

Shank structure for rotary drill bits

Hybrid drill bit and method of drilling

Hybrid drill bit with fixed cutters as the sole cutting elements in...

Excluder ring for earth-boring bit

Rotary drill bits

Methods of fabricating rotary drill bits

Patents Applicationslast 30 patents

MODULAR EARTH BORING TOOLS HAVING FIXED BLADES AND REMOVABLE BLADE...

HYBRID DRILL BIT AND DESIGN METHOD

Hybrid Drill Bits Having Increased Drilling Efficiency

HYBRID DRILL BITS

Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Co...

EARTH-BORING TOOLS AND METHODS OF FORMING EARTH-BORING TOOLS

Drill Bit with a Dynamic Metal Seal

Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Co...

Enhanced Backup Ring Features for Metal Face Seal in Roller Cone D...

HYBRID DRILL BIT AND DESIGN METHOD

Hybrid Drill Bit

Hybrid Drill Bits Having Increased Drilling Efficiency

EXPANDABLE REAMER METHODS

EARTH-BORING TOOLS AND METHODS OF FORMING EARTH-BORING TOOLS

SYSTEM AND METHOD FOR ADJUSTING ROLLER CONE PROFILE ON HYBRID BIT

EXPANDABLE EARTH-BORING WELLBORE REAMERS AND RELATED METHODS

Expandable Reamers for Earth Boring Applications

MODULAR HYBRID DRILL BIT

CONFORMAL BEARING FOR ROCK DRILL BIT

Seal Ring With Auxiliary Ring for Earth-Boring Bit

BEARING SYSTEMS CONTAINING DIAMOND ENHANCED MATERIALS AND DOWNHOLE...

HYBRID DRILL BIT

HYBRID DRILL BIT WITH HIGH BEARING PIN ANGLES

HYBRID DRILL BIT WITH HIGH PILOT-TO-JOURNAL DIAMETER RATIO

BEARING SEAL WITH IMPROVED CONTACT WIDTH

THREADED CONE RETENTION SYSTEM FOR ROLLER CONE BITS

SHANK STRUCTURE FOR ROTARY DRILL BITS

Earth Boring Bit with DLC Coated Bearing and Seal

CONFORMAL BEARING FOR ROCK DRILL BIT

MODULAR HYBRID DRILL BIT