Gwynne Johnston

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Barrington Hills, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method to manufacture improved exciter for an electrical generator
- Patent number 10,374,497
- Issue date Aug 6, 2019
- Tempel Steel Company
- Gwynne Johnston
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for annealing of helical wound cores used for automotive al...
- Patent number 9,214,845
- Issue date Dec 15, 2015
- Tempel Steel Company
- Gwynne Johnston
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Annealing furnace cooling and purging system and method
- Patent number 7,520,746
- Issue date Apr 21, 2009
- Temple Steel Company
- Gwynne Johnston
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Annealing furnace purging and oxidation system and method
- Patent number 7,435,375
- Issue date Oct 14, 2008
- Tampel Steel Company
- Gwynne Johnston
- C21 - METALLURGY OF IRON
Information Patent Grant
Annealing furnace cooling and purging system and method
- Patent number 7,371,296
- Issue date May 13, 2008
- Tempel Steel Company
- Gwynne Johnston
- C21 - METALLURGY OF IRON
Information Patent Grant
Annealing furnace purging and oxidation system and method
- Patent number 7,361,238
- Issue date Apr 22, 2008
- Tempel Steel Company
- Gwynne Johnston
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD TO MANUFACTURE IMPROVED EXCITER FOR AN ELECTRICAL GENERATOR
- Publication number 20170214299
- Publication date Jul 27, 2017
- TEMPEL STEEL COMPANY
- Gwynne Johnston
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR PRODUCING A MAGNETIC CORE WITH IMPROVED ELECTRICAL PROPE...
- Publication number 20150101183
- Publication date Apr 16, 2015
- TEMPEL STEEL COMPANY
- Gwynne Johnston
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS FOR ANNEALING OF HELICAL WOUND CORES USED FOR AUTOMOTIVE AL...
- Publication number 20140250681
- Publication date Sep 11, 2014
- TEMPEL STEEL COMPANY
- Gwynne Johnston
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COLD ROLLED MOTOR LAMINATION ELECTRICAL STEELS WITH REDUCED AGING A...
- Publication number 20140150249
- Publication date Jun 5, 2014
- Gwynne Johnston
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES
- Publication number 20130039804
- Publication date Feb 14, 2013
- Gwynne Johnston
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRICAL STEEL, A MOTOR, AND A METHOD FOR MANUFACTURE OF ELECTRIC...
- Publication number 20110273054
- Publication date Nov 10, 2011
- Gwynne Johnston
- C21 - METALLURGY OF IRON