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Gareth P. Hatch
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East Dundee, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Wellbore motor having magnetic gear drive
Patent number
7,549,467
Issue date
Jun 23, 2009
Dexter Magnetic Technologies, Inc.
William J. McDonald
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Wellbore motor having magnetic gear drive
Patent number
7,481,283
Issue date
Jan 27, 2009
Dexter Magnetic Technologies, Inc.
William J. McDonald
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for constructing permanent magnet assemblies
Patent number
7,373,716
Issue date
May 20, 2008
Dexter Magnetic Technologies, Inc.
Christopher A. Ras
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for magnetic separation of particles
Patent number
7,258,799
Issue date
Aug 21, 2007
Dexter Magnetic Techologies, Inc.
Christopher A. Ras
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and apparatus for magnetic separation of particles
Patent number
6,514,415
Issue date
Feb 4, 2003
Dexter Magnetic Technologies, Inc.
Gareth Hatch
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Patents Applications
last 30 patents
Information
Patent Application
TURBINE GENERATOR HAVING DIRECT MAGNETIC GEAR DRIVE
Publication number
20100032952
Publication date
Feb 11, 2010
Gareth P. Hatch
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Wellbore Motor Having Magnetic Gear Drive
Publication number
20070215343
Publication date
Sep 20, 2007
William J. McDonald
E21 - EARTH DRILLING MINING
Information
Patent Application
Wellbore motor having magnetic gear drive
Publication number
20070125578
Publication date
Jun 7, 2007
William J. McDonald
E21 - EARTH DRILLING MINING
Information
Patent Application
Sputtering magnetron control devices
Publication number
20060011470
Publication date
Jan 19, 2006
Gareth P. Hatch
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method for constructing permanent magnet assemblies
Publication number
20050086793
Publication date
Apr 28, 2005
Christopher A. Ras
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for magnetic separation of particles
Publication number
20030146166
Publication date
Aug 7, 2003
Christopher A. Ras
G01 - MEASURING TESTING
Information
Patent Application
Method and apparatus for magnetic separation of particles
Publication number
20020084225
Publication date
Jul 4, 2002
Gareth Hatch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL