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David B. Joyce
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Marblehead, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High-temperature process improvements using helium under regulated...
Patent number
9,546,434
Issue date
Jan 17, 2017
GTAT Corporation
Frederick Schmid
C30 - CRYSTAL GROWTH
Information
Patent Grant
Mobile electronic device comprising a modified sapphire
Patent number
9,377,912
Issue date
Jun 28, 2016
GTAT Corporation
David B. Joyce
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for refining metallurgical grade silicon to pr...
Patent number
8,329,133
Issue date
Dec 11, 2012
GT Crystal Systems, LLC
Frederick Schmid
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
System and method for crystal growing
Patent number
8,177,910
Issue date
May 15, 2012
GT Crystal Systems, LLC
Frederick Schmid
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
System and method for crystal growing
Patent number
7,918,936
Issue date
Apr 5, 2011
GT Crystal Systems, LLC
Frederick Schmid
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
System and method for crystal growing
Patent number
7,344,596
Issue date
Mar 18, 2008
Crystal Systems, Inc.
Frederick Schmid
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method and apparatus for purifying silicon
Patent number
6,368,403
Issue date
Apr 9, 2002
Crystal Systems, Inc.
Frederick Schmid
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HIGH-TEMPERATURE PROCESS IMPROVEMENTS USING HELIUM UNDER REGULATED...
Publication number
20170096746
Publication date
Apr 6, 2017
GTAT Corporation
Frederick Schmid
C30 - CRYSTAL GROWTH
Information
Patent Application
MOBILE ELECTRONIC DEVICE COMPRISING A MODIFIED SAPPHIRE
Publication number
20140160649
Publication date
Jun 12, 2014
GT CRYSTAL SYSTEMS, LLC
David B. Joyce
C30 - CRYSTAL GROWTH
Information
Patent Application
Method and Apparatus for Refining Metallurgical Grade Silicon to Pr...
Publication number
20110217225
Publication date
Sep 8, 2011
Crystal System, Inc.
Frederick Schmid
C30 - CRYSTAL GROWTH
Information
Patent Application
SYSTEM AND METHOD FOR CRYSTAL GROWING
Publication number
20110146566
Publication date
Jun 23, 2011
GT CRYSTAL SYSTEMS, LLC
Frederick SCHMID
C30 - CRYSTAL GROWTH
Information
Patent Application
High-Temperature Process Improvements Using Helium Under Regulated...
Publication number
20110048316
Publication date
Mar 3, 2011
GT CRYSTAL SYSTEMS, LLC
Frederick Schmid
C30 - CRYSTAL GROWTH
Information
Patent Application
SYSTEM AND METHOD FOR CRYSTAL GROWING
Publication number
20080035051
Publication date
Feb 14, 2008
CRYSTAL SYSTEMS, INC.
Frederick SCHMID
C30 - CRYSTAL GROWTH
Information
Patent Application
System and method for crystal growing
Publication number
20070044707
Publication date
Mar 1, 2007
Frederick Schmid
C30 - CRYSTAL GROWTH