Carl M. Hoffmaster

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Gouging cutter drill bit
- Patent number 11,879,295
- Issue date Jan 23, 2024
- Shear Bits, Inc.
- John James Herman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wellbore reaming tool having shear cutters and gouging cutters
- Patent number 10,570,664
- Issue date Feb 25, 2020
- Shear Bits, Ltd.
- John James Herman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore mill having shear cutters and gouging cutters
- Patent number 9,951,563
- Issue date Apr 24, 2018
- Shear Bits, Ltd.
- Timothy P. Beaton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fixed cutter drill bit for abrasive applications
- Patent number 9,145,739
- Issue date Sep 29, 2015
- Smith International, Inc.
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit cutting structure and methods to maximize depth-of-cut fo...
- Patent number 9,016,407
- Issue date Apr 28, 2015
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutters for fixed cutter bits
- Patent number 8,833,492
- Issue date Sep 16, 2014
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter geometry for high ROP applications
- Patent number 8,783,387
- Issue date Jul 22, 2014
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having enhanced stabilization features and method of use...
- Patent number 8,689,908
- Issue date Apr 8, 2014
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having enhanced stabilization features and method of use...
- Patent number 8,127,863
- Issue date Mar 6, 2012
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fixed cutter bit with backup cutter elements on secondary blades
- Patent number 8,100,202
- Issue date Jan 24, 2012
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fixed cutter drill bit for abrasive applications
- Patent number 7,798,256
- Issue date Sep 21, 2010
- Smith International, Inc.
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fixed cutter bit with backup cutter elements on primary blades
- Patent number 7,703,557
- Issue date Apr 27, 2010
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drag bits with dropping tendencies and methods for making the same
- Patent number 7,621,348
- Issue date Nov 24, 2009
- Smith International, Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advanced expandable reaming tool
- Patent number 7,451,836
- Issue date Nov 18, 2008
- Smith International, Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advanced expandable reaming tool
- Patent number 7,451,837
- Issue date Nov 18, 2008
- Smith International, Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advanced expandable reaming tool
- Patent number 6,880,650
- Issue date Apr 19, 2005
- Smith International, Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-centered drill bit having enhanced casing drill-out capability a...
- Patent number 6,659,207
- Issue date Dec 9, 2003
- Smith International, Inc.
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Directional drill bit
- Patent number 5,839,525
- Issue date Nov 24, 1998
- Camco International Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
WELLBORE REAMING TOOL HAVING FIXED MOUNTED GOUGING CUTTERS
- Publication number 20230228156
- Publication date Jul 20, 2023
- Shear Bits, Inc.
- John James Herman
- E21 - EARTH DRILLING MINING
Information Patent Application
GOUGING CUTTER DRILL BIT
- Publication number 20210332646
- Publication date Oct 28, 2021
- Shear Bits, Inc.
- John James Herman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELLBORE REAMING TOOL HAVING SHEAR CUTTERS AND GOUGING CUTTERS
- Publication number 20190040687
- Publication date Feb 7, 2019
- Shear Bits, Ltd.
- John James Herman
- E21 - EARTH DRILLING MINING
Information Patent Application
WELLBORE MILL HAVING SHEAR CUTTERS AND GOUGING CUTTERS
- Publication number 20160265281
- Publication date Sep 15, 2016
- Shear Bits, Ltd.
- Timothy P. Beaton
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTERS FOR FIXED CUTTER BITS
- Publication number 20150047913
- Publication date Feb 19, 2015
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
FIXED CUTTER DRILL BIT HEEL AND BACK-REAM CUTTER PROTECTIONS FOR AB...
- Publication number 20130153306
- Publication date Jun 20, 2013
- Smith International, Inc.
- YURI BURHAN
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit Having Enhanced Stabilization Features and Method of Use...
- Publication number 20120186879
- Publication date Jul 26, 2012
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS
- Publication number 20120024604
- Publication date Feb 2, 2012
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS
- Publication number 20110005837
- Publication date Jan 13, 2011
- Smith International, Inc.
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTERS FOR FIXED CUTTER BITS
- Publication number 20100084198
- Publication date Apr 8, 2010
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTER GEOMETRY FOR HIGH ROP APPLICATIONS
- Publication number 20100059287
- Publication date Mar 11, 2010
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
PDC BIT HAVING SPLIT BLADES
- Publication number 20100018780
- Publication date Jan 28, 2010
- Smith International, Inc.
- Geoffrey M. Johnson
- E21 - EARTH DRILLING MINING
Information Patent Application
Fixed Cutter Bit With Backup Cutter Elements on Secondary Blades
- Publication number 20090266619
- Publication date Oct 29, 2009
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit Cutting Structure and Methods to Maximize Depth-0f-Cut Fo...
- Publication number 20090145669
- Publication date Jun 11, 2009
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit Having Enhanced Stabilization Features
- Publication number 20090145663
- Publication date Jun 11, 2009
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
Fixed Cutter Bit With Backup Cutter Elements on Primary Blades
- Publication number 20080302575
- Publication date Dec 11, 2008
- Smith International, Inc.
- Bala Durairajan
- E21 - EARTH DRILLING MINING
Information Patent Application
Fixed cutter drill bit for abrasive applications
- Publication number 20080230278
- Publication date Sep 25, 2008
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Drag Bits with Dropping Tendencies and Methods for Making the Same
- Publication number 20080105466
- Publication date May 8, 2008
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Fixed cutter drill bit for abrasive applications
- Publication number 20070205023
- Publication date Sep 6, 2007
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Advanced expandable reaming tool
- Publication number 20040159468
- Publication date Aug 19, 2004
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Advanced expandable reaming tool
- Publication number 20040154836
- Publication date Aug 12, 2004
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Advanced expandable reaming tool
- Publication number 20030029644
- Publication date Feb 13, 2003
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Bi-centered drill bit having enhanced casing drill-out capability a...
- Publication number 20020104688
- Publication date Aug 8, 2002
- Carl Hoffmaster
- E21 - EARTH DRILLING MINING

Carl M. Hoffmaster

Person

Patents Grantslast 30 patents

Gouging cutter drill bit

Wellbore reaming tool having shear cutters and gouging cutters

Wellbore mill having shear cutters and gouging cutters

Fixed cutter drill bit for abrasive applications

Drill bit cutting structure and methods to maximize depth-of-cut fo...

Cutters for fixed cutter bits

Cutter geometry for high ROP applications

Drill bit having enhanced stabilization features and method of use...

Drill bit having enhanced stabilization features and method of use...

Fixed cutter bit with backup cutter elements on secondary blades

Fixed cutter drill bit for abrasive applications

Fixed cutter bit with backup cutter elements on primary blades

Drag bits with dropping tendencies and methods for making the same

Advanced expandable reaming tool

Advanced expandable reaming tool

Advanced expandable reaming tool

Bi-centered drill bit having enhanced casing drill-out capability a...

Directional drill bit

Patents Applicationslast 30 patents

WELLBORE REAMING TOOL HAVING FIXED MOUNTED GOUGING CUTTERS

GOUGING CUTTER DRILL BIT

WELLBORE REAMING TOOL HAVING SHEAR CUTTERS AND GOUGING CUTTERS

WELLBORE MILL HAVING SHEAR CUTTERS AND GOUGING CUTTERS

CUTTERS FOR FIXED CUTTER BITS

FIXED CUTTER DRILL BIT HEEL AND BACK-REAM CUTTER PROTECTIONS FOR AB...

Drill Bit Having Enhanced Stabilization Features and Method of Use...

FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS

FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS

CUTTERS FOR FIXED CUTTER BITS

CUTTER GEOMETRY FOR HIGH ROP APPLICATIONS

PDC BIT HAVING SPLIT BLADES

Fixed Cutter Bit With Backup Cutter Elements on Secondary Blades

Drill Bit Cutting Structure and Methods to Maximize Depth-0f-Cut Fo...

Drill Bit Having Enhanced Stabilization Features

Fixed Cutter Bit With Backup Cutter Elements on Primary Blades

Fixed cutter drill bit for abrasive applications

Drag Bits with Dropping Tendencies and Methods for Making the Same

Fixed cutter drill bit for abrasive applications

Advanced expandable reaming tool

Advanced expandable reaming tool

Advanced expandable reaming tool

Bi-centered drill bit having enhanced casing drill-out capability a...