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David S. Lyttle
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Amherst, NH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for producing bulk silicon carbide
Patent number
11,591,714
Issue date
Feb 28, 2023
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing bulk silicon carbide
Patent number
11,505,876
Issue date
Nov 22, 2022
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing bulk silicon carbide by sublimation of a silic...
Patent number
11,434,582
Issue date
Sep 6, 2022
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for producing bulk silicon carbide using a sil...
Patent number
11,421,343
Issue date
Aug 23, 2022
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for producing bulk silicon carbide
Patent number
10,851,473
Issue date
Dec 1, 2020
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing bulk silicon carbide
Patent number
10,801,126
Issue date
Oct 13, 2020
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for producing bulk silicon carbide using a sil...
Patent number
10,793,971
Issue date
Oct 6, 2020
GTAT Corporation
Roman V. Drachev
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for producing bulk silicon carbide by sublimation of a silic...
Patent number
10,633,762
Issue date
Apr 28, 2020
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Grant
Bulk silicon carbide having low defect density
Patent number
9,512,542
Issue date
Dec 6, 2016
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING BULK SILICON CARBIDE USING A SIL...
Publication number
20210095392
Publication date
Apr 1, 2021
GTAT CORPORATION
Roman V. Drachev
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
APPARATUS FOR PRODUCING BULK SILICON CARBIDE
Publication number
20210087706
Publication date
Mar 25, 2021
GTAT CORPORATION
Roman V. Drachev
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
METHOD FOR PRODUCING BULK SILICON CARBIDE
Publication number
20210032770
Publication date
Feb 4, 2021
GTAT CORPORATION
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR PRODUCING BULK SILICON CARBIDE BY SUBLIMATION OF A SILIC...
Publication number
20200199777
Publication date
Jun 25, 2020
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING BULK SILICON CARBIDE USING A SIL...
Publication number
20150068446
Publication date
Mar 12, 2015
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING BULK SILICON CARBIDE FROM A SILI...
Publication number
20150068447
Publication date
Mar 12, 2015
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Application
APPARATUS FOR PRODUCING BULK SILICON CARBIDE
Publication number
20150068457
Publication date
Mar 12, 2015
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Application
BULK SILICON CARBIDE HAVING LOW DEFECT DENSITY
Publication number
20150072101
Publication date
Mar 12, 2015
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR PRODUCING BULK SILICON CARBIDE
Publication number
20150068445
Publication date
Mar 12, 2015
GTAT Corporation
Roman V. Drachev
C30 - CRYSTAL GROWTH
Information
Patent Application
APPARATUS AND METHOD FOR PRODUCING A MULTICRYSTALLINE MATERIAL HAVI...
Publication number
20120280429
Publication date
Nov 8, 2012
GT SOLAR, INC.
Bhuvaragasamy Ganesan Ravi
C30 - CRYSTAL GROWTH