Harold A. Sreshta

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
High strength corrosion resistant high velocity oxy fuel (HVOF) coa...
- Patent number 10,590,704
- Issue date Mar 17, 2020
- National-Oilwell Varco, L.P.
- Jiinjen Albert Sue
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Polycrystalline diamond cutting element
- Patent number 10,570,667
- Issue date Feb 25, 2020
- National Oilwell DHT, L.P.
- Deepthi Raj Setlur
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Matrix fixed cutter drill bits and methods for manufacturing same
- Patent number 9,631,435
- Issue date Apr 25, 2017
- National Oilwell DHT, L.P.
- Michael Garner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hard-facing for downhole tools and matrix bit bodies with enhanced...
- Patent number 9,604,345
- Issue date Mar 28, 2017
- National Oilwell DHT, L.P.
- Ying Wang
- B24 - GRINDING POLISHING
Information Patent Grant
Dispersion of hardphase particles in an infiltrant
- Patent number 9,364,936
- Issue date Jun 14, 2016
- National-Oilwell DHT, L.P.
- Harold A. Sreshta
- B24 - GRINDING POLISHING
Information Patent Grant
Reinforced stators and fabrication methods
- Patent number 9,309,767
- Issue date Apr 12, 2016
- National-Oilwell Varco, L.P.
- Harold A. Sreshta
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
In-situ boron doped PDC element
- Patent number 8,997,900
- Issue date Apr 7, 2015
- National-Oilwell DHT, L.P.
- Jiinjen Albert Sue
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hard composite with deformable constituent and method of applying t...
- Patent number 8,945,720
- Issue date Feb 3, 2015
- National-Oilwell Varco, L.P.
- Harold Sreshta
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Enhanced elastomeric stator insert via reinforcing agent distributi...
- Patent number 8,944,789
- Issue date Feb 3, 2015
- National-Oilwell Varco, L.P.
- Stefan Butuc
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Polycrystalline diamond cutting element
- Patent number 8,919,463
- Issue date Dec 30, 2014
- National-Oilwell DHT, L.P.
- Deepthi Raj Setlur
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Thermally conductive sand mould shell for manufacturing a matrix bit
- Patent number 8,814,968
- Issue date Aug 26, 2014
- National-Oilwell Varco, L.P.
- Alan Honggen Jiang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High thermal conductivity hardfacing
- Patent number 8,535,408
- Issue date Sep 17, 2013
- ReedHycalog, L.P.
- Jiinjen Albert Sue
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Matrix turbine sleeve and method for making same
- Patent number 8,083,011
- Issue date Dec 27, 2011
- Harold A. Sreshta
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Methods of treating preform elements
- Patent number 6,517,902
- Issue date Feb 11, 2003
- Camco International (UK) Limited
- Eric F. Drake
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fabrication process for powder composite rod
- Patent number 6,440,358
- Issue date Aug 27, 2002
- Schlumberger Technology Corporation
- Harold A. Sreshta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fabrication process for high density powder composite hardfacing rod
- Patent number 6,361,739
- Issue date Mar 26, 2002
- Schlumberger Technology Corporation
- Harold Sreshta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rock bit hardmetal overlay and proces of manufacture
- Patent number 6,045,750
- Issue date Apr 4, 2000
- Camco International Inc.
- Eric F. Drake
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hardmetal facing for earth boring drill bit
- Patent number 5,988,302
- Issue date Nov 23, 1999
- Camco International, Inc.
- Harold A. Sreshta
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rock bit hardmetal overlay and process of manufacture
- Patent number 5,967,248
- Issue date Oct 19, 1999
- Camco International Inc.
- Eric F. Drake
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hardmetal facing for rolling cutter drill bit
- Patent number 5,653,299
- Issue date Aug 5, 1997
- Camco International Inc.
- Harold A. Sreshta
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Polycrystalline Diamond Cutting Element
- Publication number 20200149353
- Publication date May 14, 2020
- National Oilwell DHT, L.P.
- Deepthi Raj Setlur
- B22 - CASTING POWDER METALLURGY
Information Patent Application
High Strength Corrosion Resistant High Velocity Oxy Fuel (HVOF) Coa...
- Publication number 20150322719
- Publication date Nov 12, 2015
- National-Oilwell Varco, L.P.
- Jiinjen Albert Sue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Downhole Mills and Improved Cutting Structures
- Publication number 20150233188
- Publication date Aug 20, 2015
- National Oilwell DHT, L.P.
- Charles Leonard Wright
- E21 - EARTH DRILLING MINING
Information Patent Application
IN-SITU BORON DOPED PDC ELEMENT
- Publication number 20150176335
- Publication date Jun 25, 2015
- NATIONAL OILWELL DHT, L.P.
- Jiinjen Albert Sue
- E21 - EARTH DRILLING MINING
Information Patent Application
MATRIX FIXED CUTTER DRILL BITS AND METHODS FOR MANUFACTURING SAME
- Publication number 20150159440
- Publication date Jun 11, 2015
- National Oilwell DHT, L.P.
- Michael Garner
- E21 - EARTH DRILLING MINING
Information Patent Application
Hard-Facing for Downhole Tools and Matrix Bit Bodies with Enhanced...
- Publication number 20150122552
- Publication date May 7, 2015
- National Oilwell DHT, L.P.
- Ying Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HARD COMPOSITE WITH DEFORMABLE CONSTITUENT AND METHOD OF APPLYING T...
- Publication number 20150107908
- Publication date Apr 23, 2015
- National-Oilwell Varco, L.P.
- Harold Sreshta
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
POLYCRYSTALLINE DIAMOND CUTTING ELEMENT
- Publication number 20150075877
- Publication date Mar 19, 2015
- NATIONAL OILWELL DHT, L.P.
- Deepthi Raj Setlur
- E21 - EARTH DRILLING MINING
Information Patent Application
Reinforced Stators and Fabrication Methods
- Publication number 20130149182
- Publication date Jun 13, 2013
- National-Oilwell Varco, L.P.
- Harold A. Sreshta
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DISPERSION OF HARDPHASE PARTICLES IN AN INFILTRANT
- Publication number 20130092450
- Publication date Apr 18, 2013
- NATIONAL OILWELL DHT, L.P.
- Harold A. SRESHTA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
High Thermal Conductivity Hardfacing
- Publication number 20130020136
- Publication date Jan 24, 2013
- REEDHYCALOG, L.P.
- Jiinjen Albert Sue
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
In-Situ Boron Doped PDC Element
- Publication number 20120152622
- Publication date Jun 21, 2012
- National-Oilwell DHT, L.P.
- Jiinjen Albert Sue
- E21 - EARTH DRILLING MINING
Information Patent Application
ENHANCED ELASTOMERIC STATOR INSERT VIA REINFORCING AGENT DISTRIBUTI...
- Publication number 20120148432
- Publication date Jun 14, 2012
- National-Oilwell Varco, L.P.
- Stefan BUTUC
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYCRYSTALLINE DIAMOND CUTTING ELEMENT
- Publication number 20120097457
- Publication date Apr 26, 2012
- NATIONAL OILWELL DHT, L.P.
- Deepthi Raj Setlur
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Thermally Conductive Sand Mould Shell for Manufacturing a Matrix Bit
- Publication number 20110167734
- Publication date Jul 14, 2011
- National Oilwell Varco, L.P.
- Alan Honggen Jiang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Sacrificial Catalyst Polycrystalline Diamond Element
- Publication number 20110171414
- Publication date Jul 14, 2011
- National-Oilwell DHT, L.P.
- Harold Sreshta
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Hard Composite with Deformable Constituent and Method of Applying t...
- Publication number 20110031028
- Publication date Feb 10, 2011
- National Oilwell Varco, L.P.
- Harold Sreshta
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MATRIX TURBINE SLEEVE AND METHOD FOR MAKING SAME
- Publication number 20100078222
- Publication date Apr 1, 2010
- Harold A. Sreshta
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPOSITE STRUCTURE HAVING A NON-PLANAR INTERFACE AND METHOD OF MAK...
- Publication number 20060237236
- Publication date Oct 26, 2006
- Harold Sreshta
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Fabrication process for powder composite rod
- Publication number 20020110474
- Publication date Aug 15, 2002
- Harold A. Sreshta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Methods of treating preform elements
- Publication number 20010049019
- Publication date Dec 6, 2001
- Eric F. Drake
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Harold A. Sreshta

Person

Patents Grantslast 30 patents

High strength corrosion resistant high velocity oxy fuel (HVOF) coa...

Polycrystalline diamond cutting element

Matrix fixed cutter drill bits and methods for manufacturing same

Hard-facing for downhole tools and matrix bit bodies with enhanced...

Dispersion of hardphase particles in an infiltrant

Reinforced stators and fabrication methods

In-situ boron doped PDC element

Hard composite with deformable constituent and method of applying t...

Enhanced elastomeric stator insert via reinforcing agent distributi...

Polycrystalline diamond cutting element

Thermally conductive sand mould shell for manufacturing a matrix bit

High thermal conductivity hardfacing

Matrix turbine sleeve and method for making same

Methods of treating preform elements

Fabrication process for powder composite rod

Fabrication process for high density powder composite hardfacing rod

Rock bit hardmetal overlay and proces of manufacture

Hardmetal facing for earth boring drill bit

Rock bit hardmetal overlay and process of manufacture

Hardmetal facing for rolling cutter drill bit

Patents Applicationslast 30 patents

Polycrystalline Diamond Cutting Element

High Strength Corrosion Resistant High Velocity Oxy Fuel (HVOF) Coa...

Downhole Mills and Improved Cutting Structures

IN-SITU BORON DOPED PDC ELEMENT

MATRIX FIXED CUTTER DRILL BITS AND METHODS FOR MANUFACTURING SAME

Hard-Facing for Downhole Tools and Matrix Bit Bodies with Enhanced...

HARD COMPOSITE WITH DEFORMABLE CONSTITUENT AND METHOD OF APPLYING T...

POLYCRYSTALLINE DIAMOND CUTTING ELEMENT

Reinforced Stators and Fabrication Methods

DISPERSION OF HARDPHASE PARTICLES IN AN INFILTRANT

High Thermal Conductivity Hardfacing

In-Situ Boron Doped PDC Element

ENHANCED ELASTOMERIC STATOR INSERT VIA REINFORCING AGENT DISTRIBUTI...

POLYCRYSTALLINE DIAMOND CUTTING ELEMENT

Thermally Conductive Sand Mould Shell for Manufacturing a Matrix Bit

Sacrificial Catalyst Polycrystalline Diamond Element

Hard Composite with Deformable Constituent and Method of Applying t...

MATRIX TURBINE SLEEVE AND METHOD FOR MAKING SAME

COMPOSITE STRUCTURE HAVING A NON-PLANAR INTERFACE AND METHOD OF MAK...

Fabrication process for powder composite rod

Methods of treating preform elements