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Timothy Paul Johnson
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Northleach, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Plasma method and apparatus for recovery of precious metals
Patent number
9,057,118
Issue date
Jun 16, 2015
Tetronics (International) Limited
David Deegan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Plasma arc reactor for the production of fine powders
Patent number
7,727,460
Issue date
Jun 1, 2010
Tetronics Limited
David Edward Deegan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Plasma arc reactor for the production of fine powders
Patent number
7,022,155
Issue date
Apr 4, 2006
Tetronics Limited
David Edward Deegan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method and apparatus for packaging ultra fine powders into containers
Patent number
6,796,107
Issue date
Sep 28, 2004
Tetronics Limited
David Edward Deegan
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Twin plasma torch apparatus
Patent number
6,744,006
Issue date
Jun 1, 2004
Tetronics Limited
Timothy Paul Johnson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
PLASMA METHOD AND APPARATUS FOR RECOVERY OF PRECIOUS METALS
Publication number
20110274580
Publication date
Nov 10, 2011
TETRONICS LIMITED
David Deegan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Plasma arc reactor for the production of fine powders
Publication number
20060107789
Publication date
May 25, 2006
TETRONICS LIMITED
David Edward Deegan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Plasma arc reactor for the production of fine powders
Publication number
20060096417
Publication date
May 11, 2006
TETRONICS LIMITED
David Edward Deegan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of improving the service life of a plasma torch electrode
Publication number
20050115932
Publication date
Jun 2, 2005
David Edward Deegan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Twin plasma torch apparatus
Publication number
20030160033
Publication date
Aug 28, 2003
Timothy Paul Johnson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and apparatus for packaging ultra fine powders into containers
Publication number
20030101690
Publication date
Jun 5, 2003
David Edward Deegan
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Plasma arc reactor for the production of fine powders
Publication number
20030097903
Publication date
May 29, 2003
David Edward Deegan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL