Chandra P. Khattak

Person

Danvers, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Increased polysilicon deposition in a CVD reactor
- Patent number 9,683,286
- Issue date Jun 20, 2017
- GTAT Corporation
- Yuepeng Wan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Crystal growth apparatus with ceramic coating and methods for preve...
- Patent number 9,611,565
- Issue date Apr 4, 2017
- GTAT Corporation
- Bhuvaragasamy G. Ravi
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of making large surface area filaments for the production of...
- Patent number 8,647,432
- Issue date Feb 11, 2014
- GTAT Corporation
- Yuepeng Wan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Processing of fine silicon powder to produce bulk silicon
- Patent number 7,927,385
- Issue date Apr 19, 2011
- GT Solar Incorporated
- Dean Skelton
- C01 - INORGANIC CHEMISTRY
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 cutting workpieces
- Patent number 6,418,921
- Issue date Jul 16, 2002
- Crystal Systems, Inc.
- Frederick Schmid
- B28 - WORKING CEMENT, CLAY, OR STONE
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
Information Patent Grant
Method for purifying silicon
- Patent number 5,972,107
- Issue date Oct 26, 1999
- Crystal Systems, Inc.
- Frederick Schmid
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Shaped blades
- Patent number 5,438,973
- Issue date Aug 8, 1995
- Crystal Systems, Inc.
- Frederick Schmid
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for growing shaped crystals
- Patent number 5,394,825
- Issue date Mar 7, 1995
- Crystal Systems, Inc.
- Frederick Schmid
- C30 - CRYSTAL GROWTH
Information Patent Grant
Gallium arsenide crystal growth
- Patent number 4,840,699
- Issue date Jun 20, 1989
- Ghemini Technologies
- Chandra P. Khattak
- C30 - CRYSTAL GROWTH
Information Patent Grant
Multi-wafer slicing with a fixed abrasive
- Patent number 4,727,852
- Issue date Mar 1, 1988
- Crystal Systems Inc.
- Frederick Schmid
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Multi-wafer slicing with a fixed abrasive
- Patent number 4,646,710
- Issue date Mar 3, 1987
- Crystal Systems, Inc.
- Frederick Schmid
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process of forming a plated wirepack with abrasive particles only i...
- Patent number 4,384,564
- Issue date May 24, 1983
- Crystal Systems Inc.
- Maynard B. Smith
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Crystal growing
- Patent number 4,256,530
- Issue date Mar 17, 1981
- Crystal Systems Inc.
- Frederick Schmid
- C30 - CRYSTAL GROWTH
Information Patent Grant
Processes of casting an ingot and making a silica container
- Patent number 4,218,418
- Issue date Aug 19, 1980
- Crystal Systems, Inc.
- Frederick Schmid
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MAKING LARGE SURFACE AREA FILAMENTS FOR THE PRODUCTION OF...
- Publication number 20170253960
- Publication date Sep 7, 2017
- GTAT Corporation
- Yuepeng Wan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
FURNANCE EMPLOYING COMPONENTS FOR USE WITH GRAPHITE HOT ZONE
- Publication number 20140261158
- Publication date Sep 18, 2014
- ADVANCED RENEWABLEENERGY COMPANY, LLC
- Thomas DeWayne WENDEL
- C30 - CRYSTAL GROWTH
Information Patent Application
INTERMEDIATE MATERIALS AND METHODS FOR HIGH-TEMPERATURE APPLICATIONS
- Publication number 20120055396
- Publication date Mar 8, 2012
- ADVANCED RENEWABLEENERGY COMPANY LLC
- Govindhan Dhanaraj
- C30 - CRYSTAL GROWTH
Information Patent Application
HIGH THROUGHPUT SAPPHIRE CORE PRODUCTION
- Publication number 20120048083
- Publication date Mar 1, 2012
- ADVANCED RENEWABLE ENERGY COMPANY LLC
- Carl Richard Schwerdtfeger
- C30 - CRYSTAL GROWTH
Information Patent Application
CRYSTAL GROWTH APPARATUS WITH CERAMIC COATING AND METHODS FOR PREVE...
- Publication number 20120048179
- Publication date Mar 1, 2012
- GT SOLAR, INC.
- Bhuvaragasamy G. Ravi
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD OF MAKING LARGE SURFACE AREA FILAMENTS FOR THE PRODUCTION OF...
- Publication number 20110271718
- Publication date Nov 10, 2011
- GT SOLAR INCORPORATED
- Yuepeng Wan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SYSTEMS AND METHODS FOR GROWING MONOCRYSTALLINE SILICON INGOTS BY D...
- Publication number 20110259262
- Publication date Oct 27, 2011
- GT SOLAR, INC.
- Chandra P. Khattak
- C30 - CRYSTAL GROWTH
Information Patent Application
CRYSTAL GROWING SYSTEM AND METHOD THEREOF
- Publication number 20110253033
- Publication date Oct 20, 2011
- ADVANCED RENEWABLEENERGY CO. LLC
- Govindhan Dhanaraj
- C30 - CRYSTAL GROWTH
Information Patent Application
SYSTEM AND METHOD FOR ARRANGING HEATING ELEMENT IN CRYSTAL GROWTH A...
- Publication number 20110200496
- Publication date Aug 18, 2011
- GT SOLAR, INCORPORATED
- Chandra P. Khattak
- 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
DRY CONVERSION OF HIGH PURITY ULTRAFINE SILICON POWDER TO DENSIFIED...
- Publication number 20110044842
- Publication date Feb 24, 2011
- GT SOLAR INCORPORATED
- Kedar P. Gupta
- C30 - CRYSTAL GROWTH
Information Patent Application
PROCESSING OF FINE SILICON POWDER TO PRODUCE BULK SILICON
- Publication number 20080295294
- Publication date Dec 4, 2008
- GT SOLAR INCORPORATED
- Dean Skelton
- 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
Increased polysilicon deposition in a CVD reactor
- Publication number 20070251455
- Publication date Nov 1, 2007
- G.T. Equipment Technologies, Inc.
- Yuepeng Wan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
DRY CONVERSION OF HIGH PURITY ULTRAFINE SILICON POWDER TO DENSIFIED...
- Publication number 20070148034
- Publication date Jun 28, 2007
- GT SOLAR INCORPORATED
- Kedar P. Gupta
- 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
Information Patent Application
Reusable crucible for silicon ingot growth
- Publication number 20040211496
- Publication date Oct 28, 2004
- Crystal Systems, Inc.
- Chandra P. Khattak
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD AND APPARATUS FOR CUTTING WORKPIECES
- Publication number 20020096165
- Publication date Jul 25, 2002
- Frederick Schmid
- B28 - WORKING CEMENT, CLAY, OR STONE

Chandra P. Khattak

Person

Patents Grantslast 30 patents

Increased polysilicon deposition in a CVD reactor

Crystal growth apparatus with ceramic coating and methods for preve...

Method of making large surface area filaments for the production of...

System and method for crystal growing

Processing of fine silicon powder to produce bulk silicon

System and method for crystal growing

System and method for crystal growing

Method and apparatus for cutting workpieces

Method and apparatus for purifying silicon

Method for purifying silicon

Shaped blades

Method and apparatus for growing shaped crystals

Gallium arsenide crystal growth

Multi-wafer slicing with a fixed abrasive

Multi-wafer slicing with a fixed abrasive

Process of forming a plated wirepack with abrasive particles only i...

Crystal growing

Processes of casting an ingot and making a silica container

Patents Applicationslast 30 patents

METHOD OF MAKING LARGE SURFACE AREA FILAMENTS FOR THE PRODUCTION OF...

FURNANCE EMPLOYING COMPONENTS FOR USE WITH GRAPHITE HOT ZONE

INTERMEDIATE MATERIALS AND METHODS FOR HIGH-TEMPERATURE APPLICATIONS

HIGH THROUGHPUT SAPPHIRE CORE PRODUCTION

CRYSTAL GROWTH APPARATUS WITH CERAMIC COATING AND METHODS FOR PREVE...

METHOD OF MAKING LARGE SURFACE AREA FILAMENTS FOR THE PRODUCTION OF...

SYSTEMS AND METHODS FOR GROWING MONOCRYSTALLINE SILICON INGOTS BY D...

CRYSTAL GROWING SYSTEM AND METHOD THEREOF

SYSTEM AND METHOD FOR ARRANGING HEATING ELEMENT IN CRYSTAL GROWTH A...

SYSTEM AND METHOD FOR CRYSTAL GROWING

DRY CONVERSION OF HIGH PURITY ULTRAFINE SILICON POWDER TO DENSIFIED...

PROCESSING OF FINE SILICON POWDER TO PRODUCE BULK SILICON

SYSTEM AND METHOD FOR CRYSTAL GROWING

Increased polysilicon deposition in a CVD reactor

DRY CONVERSION OF HIGH PURITY ULTRAFINE SILICON POWDER TO DENSIFIED...

System and method for crystal growing

Reusable crucible for silicon ingot growth

METHOD AND APPARATUS FOR CUTTING WORKPIECES