John F. Bradford

Person

Katy, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fixed cutter drill bits including nozzles with end and side exits
- Patent number 11,377,911
- Issue date Jul 5, 2022
- National Oilwell DHT, L.P.
- John Francis Bradford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fixed cutter drill bits including nozzles with end and side exits
- Patent number 10,954,722
- Issue date Mar 23, 2021
- National Oilwell DHT, L.P.
- John Francis Bradford
- 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 having increased service life
- Patent number 9,782,857
- Issue date Oct 10, 2017
- Baker Hughes Incorporated
- Don Q. Nguyen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drill bits with anti-tracking features
- Patent number 9,657,527
- Issue date May 23, 2017
- Baker Hughes Incorporated
- Robert J. Buske
- 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
Downhole tools including bearings and methods of forming same
- Patent number 9,290,997
- Issue date Mar 22, 2016
- Baker Hughes Incorporated
- Alejandro Flores
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Drill bits with anti-tracking features
- Patent number 8,950,514
- Issue date Feb 10, 2015
- Baker Hughes Incorporated
- Robert J. Buske
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bearings for downhole tools, downhole tools incorporating such bear...
- Patent number 8,834,026
- Issue date Sep 16, 2014
- Baker Hughes Incorporated
- Alejandro Flores
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Drill bit with an adjustable steering device
- Patent number 8,240,399
- Issue date Aug 14, 2012
- Baker Hughes Incorporated
- Ajay V. Kulkarni
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with an adjustable steering device
- Patent number 8,087,479
- Issue date Jan 3, 2012
- Baker Hughes Incorporated
- Ajay V. Kulkarni
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Fixed Cutter Drill Bits Including Nozzles with End and Side Exits
- Publication number 20210164297
- Publication date Jun 3, 2021
- National Oilwell DHT, L.P.
- John Francis Bradford
- E21 - EARTH DRILLING MINING
Information Patent Application
Fixed Cutter Drill Bits Including Nozzles with End and Side Exits
- Publication number 20190003262
- Publication date Jan 3, 2019
- National Oilwell DHT, L.P.
- John Francis Bradford
- 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
DRILL BITS WITH ANTI-TRACKING FEATURES
- Publication number 20150211303
- Publication date Jul 30, 2015
- BAKER HUGHES INCORPORATED
- Robert J. BUSKE
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID DRILL BIT HAVING INCREASED SERVICE LIFE
- Publication number 20150152687
- Publication date Jun 4, 2015
- BAKER HUGHES INCORPORATED
- Don Q. Nguyen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...
- Publication number 20140301679
- Publication date Oct 9, 2014
- Alejandro Flores
- 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
BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...
- Publication number 20120080230
- Publication date Apr 5, 2012
- ELEMENT SIX LIMITED
- Alejandro Flores
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bits with Anti-Tracking Features
- Publication number 20110315452
- Publication date Dec 29, 2011
- BAKER HUGHES INCORPORATED
- Robert J. Buske
- 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
DRILL BIT WITH AN ADJUSTABLE STEERING DEVICE
- Publication number 20110147089
- Publication date Jun 23, 2011
- BAKER HUGHES INCORPORATED
- Ajay V. Kulkarni
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit With An Adjustable Steering Device
- Publication number 20110031025
- Publication date Feb 10, 2011
- BAKER HUGHES INCORPORATED
- Ajay V. Kulkarni
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR NON-DESTRUCTIVELY EVALUATING ROTARY EARTH BORING DRILL C...
- Publication number 20100329081
- Publication date Dec 30, 2010
- Eric Sullivan
- E21 - EARTH DRILLING MINING
Information Patent Application
Bit leg outer surface hardfacing on earth-boring bit
- Publication number 20070163812
- Publication date Jul 19, 2007
- Baker Hughes Incorporated
- James L. Overstreet
- E21 - EARTH DRILLING MINING
Information Patent Application
Fluid swivel with cooling porting
- Publication number 20040163709
- Publication date Aug 26, 2004
- Benton F. Baugh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Multi-channel high pressure swivel
- Publication number 20040163802
- Publication date Aug 26, 2004
- Benton F. Baugh
- E21 - EARTH DRILLING MINING

John F. Bradford

Person

Patents Grantslast 30 patents

Fixed cutter drill bits including nozzles with end and side exits

Fixed cutter drill bits including nozzles with end and side exits

Hybrid drill bits having increased drilling efficiency

Hybrid drill bits

Hybrid drill bit having increased service life

Drill bits with anti-tracking features

Hybrid drill bits having increased drilling efficiency

Downhole tools including bearings and methods of forming same

Drill bits with anti-tracking features

Bearings for downhole tools, downhole tools incorporating such bear...

Drill bit with an adjustable steering device

Drill bit with an adjustable steering device

Patents Applicationslast 30 patents

Fixed Cutter Drill Bits Including Nozzles with End and Side Exits

Fixed Cutter Drill Bits Including Nozzles with End and Side Exits

Hybrid Drill Bits Having Increased Drilling Efficiency

HYBRID DRILL BITS

DRILL BITS WITH ANTI-TRACKING FEATURES

HYBRID DRILL BIT HAVING INCREASED SERVICE LIFE

BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...

Hybrid Drill Bits Having Increased Drilling Efficiency

BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...

Drill Bits with Anti-Tracking Features

EARLY WEAR DETECTION

DRILL BIT WITH AN ADJUSTABLE STEERING DEVICE

Drill Bit With An Adjustable Steering Device

METHOD FOR NON-DESTRUCTIVELY EVALUATING ROTARY EARTH BORING DRILL C...

Bit leg outer surface hardfacing on earth-boring bit

Fluid swivel with cooling porting

Multi-channel high pressure swivel