Stephen Duffy

Person

Spring, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cutting elements for earth-boring tools, methods of manufacturing e...
- Patent number 12,134,938
- Issue date Nov 5, 2024
- Baker Hughes Oilfield Operations LLC
- Stephen Duffy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods of forming earth-boring tools using inserts and molds
- Patent number 11,801,551
- Issue date Oct 31, 2023
- Baker Hughes Holding LLC
- Stephen Duffy
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cutting elements for earth-boring tools and related earth-boring to...
- Patent number 11,719,050
- Issue date Aug 8, 2023
- Baker Hughes Oilfield Operations LLC
- Steven Craig Russell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth boring tools with enhanced hydraulics adjacent cutting elemen...
- Patent number 11,585,157
- Issue date Feb 21, 2023
- Baker Hughes Oilfield Operations LLC
- Stephen Duffy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth boring tools having protrusions trailing cutting elements and...
- Patent number 11,542,755
- Issue date Jan 3, 2023
- Baker Hughes Oilfield Operations LLC
- Stephen Duffy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods of forming forged fixed-cutter earth-boring drill bit bodies
- Patent number 11,364,535
- Issue date Jun 21, 2022
- Baker Hughes Holdings LLC
- James Andy Oxford
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Earth-boring tools and related methods
- Patent number 10,954,721
- Issue date Mar 23, 2021
- Baker Hughes Holdings LLC
- Steven Craig Russell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods of forming forged fixed-cutter earth-boring drill bit bodies
- Patent number 10,710,148
- Issue date Jul 14, 2020
- Baker Hughes, a GE company, LLC
- James Andy Oxford
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
CUTTING ELEMENTS AND GEOMETRIES, EARTH-BORING TOOLS, AND RELATED ME...
- Publication number 20230203892
- Publication date Jun 29, 2023
- Baker Hughes Oilfield Operations LLC
- Timothy C. Webb
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING ELEMENTS FOR EARTH-BORING TOOLS AND RELATED EARTH-BORING TO...
- Publication number 20220403704
- Publication date Dec 22, 2022
- Baker Hughes Oilfield Operations LLC
- Steven Craig Russell
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING ELEMENTS FOR EARTH-BORING TOOLS, METHODS OF MANUFACTURING E...
- Publication number 20220251905
- Publication date Aug 11, 2022
- Baker Hughes Oilfield Operations LLC
- Stephen Duffy
- E21 - EARTH DRILLING MINING
Information Patent Application
ADDITIVE MANUFACTURE OF BARRIER SLEEVE INSERTS FOR SINTERED BITS
- Publication number 20210331387
- Publication date Oct 28, 2021
- Baker Hughes Oilfield Operations LLC
- Stephen Duffy
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH BORING TOOLS WITH ENHANCED HYDRAULICS ADJACENT CUTTING ELEMEN...
- Publication number 20210293093
- Publication date Sep 23, 2021
- Stephen Duffy
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS OF FORMING FORGED FIXED-CUTTER EARTH-BORING DRILL BIT BODIES
- Publication number 20200230693
- Publication date Jul 23, 2020
- BAKER HUGHES, A GE COMPANY, LLC
- James Andy Oxford
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH BORING TOOLS HAVING PROTRUSIONS TRAILING CUTTING ELEMENTS AND...
- Publication number 20200087990
- Publication date Mar 19, 2020
- Baker Hughes Oilfield Operations LLC
- Stephen Duffy
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS OF ADDITIVELY MANUFACTURING INSERTS USED IN MOLDS TO FORM E...
- Publication number 20200001367
- Publication date Jan 2, 2020
- BAKER HUGHES, A GE COMPANY, LLC
- Stephen Duffy
- B22 - CASTING POWDER METALLURGY
Information Patent Application
EARTH-BORING TOOLS AND RELATED METHODS
- Publication number 20190376345
- Publication date Dec 12, 2019
- BAKER HUGHES, A GE COMPANY, LLC
- Steven Craig Russell
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS OF FORMING FORGED FIXED-CUTTER EARTH-BORING DRILL BIT BODIES
- Publication number 20180243819
- Publication date Aug 30, 2018
- BAKER HUGHES INCORPORATED
- James Andy Oxford
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Stephen Duffy

Person

Patents Grantslast 30 patents

Cutting elements for earth-boring tools, methods of manufacturing e...

Methods of forming earth-boring tools using inserts and molds

Cutting elements for earth-boring tools and related earth-boring to...

Earth boring tools with enhanced hydraulics adjacent cutting elemen...

Earth boring tools having protrusions trailing cutting elements and...

Methods of forming forged fixed-cutter earth-boring drill bit bodies

Earth-boring tools and related methods

Methods of forming forged fixed-cutter earth-boring drill bit bodies

Patents Applicationslast 30 patents

CUTTING ELEMENTS AND GEOMETRIES, EARTH-BORING TOOLS, AND RELATED ME...

CUTTING ELEMENTS FOR EARTH-BORING TOOLS AND RELATED EARTH-BORING TO...

CUTTING ELEMENTS FOR EARTH-BORING TOOLS, METHODS OF MANUFACTURING E...

ADDITIVE MANUFACTURE OF BARRIER SLEEVE INSERTS FOR SINTERED BITS

EARTH BORING TOOLS WITH ENHANCED HYDRAULICS ADJACENT CUTTING ELEMEN...

METHODS OF FORMING FORGED FIXED-CUTTER EARTH-BORING DRILL BIT BODIES

EARTH BORING TOOLS HAVING PROTRUSIONS TRAILING CUTTING ELEMENTS AND...

METHODS OF ADDITIVELY MANUFACTURING INSERTS USED IN MOLDS TO FORM E...

EARTH-BORING TOOLS AND RELATED METHODS

METHODS OF FORMING FORGED FIXED-CUTTER EARTH-BORING DRILL BIT BODIES