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Reel/Frame:042592/0974   Pages: 5
Recorded: 05/26/2017
Attorney Dkt #:2010-0164
Conveyance: LIEN (SEE DOCUMENT FOR DETAILS).
Total properties: 38
1
Patent #:
8008107
Issue Dt:
08/30/2011
Application #:
11648127
Filing Dt:
12/30/2006
Publication #:
US20080157241
Pub Dt:
07/03/2008
Title:
SEMICONDUCTOR WAFER PRE-PROCESS ANNEALING AND GETTERING METHOD AND SYSTEM FOR SOLAR CELL FORMATION
2
Patent #:
7651566
Issue Dt:
01/26/2010
Application #:
11769109
Filing Dt:
06/27/2007
Publication #:
US20090026423
Pub Dt:
01/29/2009
Title:
METHOD AND SYSTEM FOR CONTROLLING RESISTIVITY IN INGOTS MADE OF COMPENSATED FEEDSTOCK SILICON
3
Patent #:
7955433
Issue Dt:
06/07/2011
Application #:
11828734
Filing Dt:
07/26/2007
Publication #:
US20090028773
Pub Dt:
01/29/2009
Title:
METHOD AND SYSTEM FOR FORMING A SILICON INGOT USING A LOW-GRADE SILICON FEEDSTOCK
4
Patent #:
7887633
Issue Dt:
02/15/2011
Application #:
12140104
Filing Dt:
06/16/2008
Publication #:
US20090308455
Pub Dt:
12/17/2009
Title:
GERMANIUM-ENRICHED SILICON MATERIAL FOR MAKING SOLAR CELLS
5
Patent #:
7959730
Issue Dt:
06/14/2011
Application #:
12244839
Filing Dt:
10/03/2008
Publication #:
US20090092535
Pub Dt:
04/09/2009
Title:
METHOD FOR PROCESSING SILICON POWDER TO OBTAIN SILICON CRYSTALS
6
Patent #:
7727503
Issue Dt:
06/01/2010
Application #:
12288857
Filing Dt:
10/23/2008
Publication #:
US20090274607
Pub Dt:
11/05/2009
Title:
METHOD FOR PURIFYING SILICON
7
Patent #:
9243311
Issue Dt:
01/26/2016
Application #:
12530993
Filing Dt:
03/03/2010
Publication #:
US20100254879
Pub Dt:
10/07/2010
Title:
METHOD FOR REMOVING PHOSPHOROUS AND BORON FROM ALUMINIUM SILICON ALLOY FOR USE IN PURIFYING SILICON
8
Patent #:
8968467
Issue Dt:
03/03/2015
Application #:
12618577
Filing Dt:
11/13/2009
Publication #:
US20100258768
Pub Dt:
10/14/2010
Title:
METHOD AND SYSTEM FOR CONTROLLING RESISTIVITY IN INGOTS MADE OF COMPENSATED FEEDSTOCK SILICON
9
Patent #:
9166071
Issue Dt:
10/20/2015
Application #:
12647286
Filing Dt:
12/24/2009
Publication #:
US20110094575
Pub Dt:
04/28/2011
Title:
Polarization Resistant Solar Cell Design Using an Oxygen-Rich Interface Layer
10
Patent #:
8480991
Issue Dt:
07/09/2013
Application #:
12670263
Filing Dt:
09/10/2010
Publication #:
US20100329959
Pub Dt:
12/30/2010
Title:
USE OF ACID WASHING TO PROVIDE PURIFIED SILICON CRYSTALS
11
Patent #:
8562932
Issue Dt:
10/22/2013
Application #:
12729561
Filing Dt:
03/23/2010
Publication #:
US20110044877
Pub Dt:
02/24/2011
Title:
METHOD OF PURIFYING SILICON UTILIZING CASCADING PROCESS
12
Patent #:
8216539
Issue Dt:
07/10/2012
Application #:
12760222
Filing Dt:
04/14/2010
Publication #:
US20110256047
Pub Dt:
10/20/2011
Title:
CASCADING PURIFICATION
13
Patent #:
8547121
Issue Dt:
10/01/2013
Application #:
12770688
Filing Dt:
04/29/2010
Publication #:
US20100327890
Pub Dt:
12/30/2010
Title:
QUALITY CONTROL PROCESS FOR UMG-SI FEEDSTOCK
14
Patent #:
7883680
Issue Dt:
02/08/2011
Application #:
12784576
Filing Dt:
05/21/2010
Publication #:
US20100233064
Pub Dt:
09/16/2010
Title:
METHOD FOR PURIFYING SILICON
15
Patent #:
8562740
Issue Dt:
10/22/2013
Application #:
12947936
Filing Dt:
11/17/2010
Publication #:
US20120119407
Pub Dt:
05/17/2012
Title:
APPARATUS FOR DIRECTIONAL SOLIDIFICATION OF SILICON INCLUDING A REFRACTORY MATERIAL
16
Patent #:
8758507
Issue Dt:
06/24/2014
Application #:
12954498
Filing Dt:
11/24/2010
Publication #:
US20110126758
Pub Dt:
06/02/2011
Title:
GERMANIUM ENRICHED SILICON MATERIAL FOR MAKING SOLAR CELLS
17
Patent #:
8882912
Issue Dt:
11/11/2014
Application #:
13034956
Filing Dt:
02/25/2011
Publication #:
US20110211995
Pub Dt:
09/01/2011
Title:
METHOD AND SYSTEM FOR FORMING A SILICON INGOT USING A LOW-GRADE SILICON FEEDSTOCK
18
Patent #:
8273176
Issue Dt:
09/25/2012
Application #:
13158626
Filing Dt:
06/13/2011
Publication #:
US20110236290
Pub Dt:
09/29/2011
Title:
METHOD FOR PROCESSING SILICON POWDER TO OBTAIN SILICON CRYSTALS
19
Patent #:
9352389
Issue Dt:
05/31/2016
Application #:
13234960
Filing Dt:
09/16/2011
Publication #:
US20120067540
Pub Dt:
03/22/2012
Title:
DIRECTIONAL SOLIDIFICATION SYSTEM AND METHOD
20
Patent #:
8580218
Issue Dt:
11/12/2013
Application #:
13494710
Filing Dt:
06/12/2012
Publication #:
US20120260850
Pub Dt:
10/18/2012
Title:
METHOD OF PURIFYING SILICON UTILIZING CASCADING PROCESS
21
Patent #:
8540958
Issue Dt:
09/24/2013
Application #:
13494717
Filing Dt:
06/12/2012
Publication #:
US20120251425
Pub Dt:
10/04/2012
Title:
CASCADING PURIFICATION
22
Patent #:
8801855
Issue Dt:
08/12/2014
Application #:
13625348
Filing Dt:
09/24/2012
Publication #:
US20130017140
Pub Dt:
01/17/2013
Title:
METHOD FOR PROCESSING SILICON POWDER TO OBTAIN SILICON CRYSTALS
23
Patent #:
NONE
Issue Dt:
Application #:
14058832
Filing Dt:
10/21/2013
Publication #:
US20140042295
Pub Dt:
02/13/2014
Title:
APPARATUS FOR DIRECTIONAL SOLIDIFICATION OF SILICON INCLUDING A A MOLD HAVING A SIDEWALL INCLUDING A FIRST MATERIAL AND A BOTTOM INCLUDING A SECOND MATERIAL
24
Patent #:
NONE
Issue Dt:
Application #:
14374382
Filing Dt:
07/24/2014
Publication #:
US20150040821
Pub Dt:
02/12/2015
Title:
METHOD FOR PURIFICATION OF SILICON
25
Patent #:
9617618
Issue Dt:
04/11/2017
Application #:
14375743
Filing Dt:
07/30/2014
Publication #:
US20150128764
Pub Dt:
05/14/2015
Title:
SILICON PURIFICATION MOLD AND METHOD
26
Patent #:
NONE
Issue Dt:
Application #:
14409430
Filing Dt:
12/18/2014
Publication #:
US20150336802
Pub Dt:
11/26/2015
Title:
METHOD OF PURIFYING SILICON
27
Patent #:
9724755
Issue Dt:
08/08/2017
Application #:
14409433
Filing Dt:
12/18/2014
Publication #:
US20150337454
Pub Dt:
11/26/2015
Title:
CONTROLLED DIRECTIONAL SOLIDIFICATION OF SILICON
28
Patent #:
NONE
Issue Dt:
Application #:
14409435
Filing Dt:
12/18/2014
Publication #:
US20150175431
Pub Dt:
06/25/2015
Title:
METHOD TO PURIFY ALUMINUM AND USE OF PURIFIED ALUMINUM TO PURIFY SILICON
29
Patent #:
NONE
Issue Dt:
Application #:
14409534
Filing Dt:
12/19/2014
Publication #:
US20150184311
Pub Dt:
07/02/2015
Title:
LINING FOR SURFACES OF A REFRACTORY CRUCIBLE FOR PURIFICATION OF SILICON MELT AND METHOD OF PURIFICATION OF THE SILICON MELT USING THAT CRUCIBLE(S) FOR MELTING AND FURTHER DIRECTIONAL SOLIDIFICATION
30
Patent #:
9676632
Issue Dt:
06/13/2017
Application #:
14409536
Filing Dt:
12/19/2014
Publication #:
US20150376017
Pub Dt:
12/31/2015
Title:
METHOD FOR PURIFYING SILICON
31
Patent #:
NONE
Issue Dt:
Application #:
14409538
Filing Dt:
12/19/2014
Publication #:
US20150158731
Pub Dt:
06/11/2015
Title:
LINING FOR SURFACES OF A REFRACTORY CRUCIBLE FOR PURIFICATION OF SILICON MELT AND METHOD OF PURIFICATION OF THE SILICON MELT USING THAT CRUCIBLE
32
Patent #:
NONE
Issue Dt:
Application #:
14409545
Filing Dt:
12/19/2014
Publication #:
US20150191362
Pub Dt:
07/09/2015
Title:
METHOD OF PURIFYING CALCIUM FLUORIDE
33
Patent #:
9512008
Issue Dt:
12/06/2016
Application #:
14409546
Filing Dt:
12/19/2014
Publication #:
US20150368114
Pub Dt:
12/24/2015
Title:
FLUX COMPOSITION USEFUL IN DIRECTIONAL SOLIDIFICATION FOR PURIFYING SILICON
34
Patent #:
NONE
Issue Dt:
Application #:
14424890
Filing Dt:
02/27/2015
Publication #:
US20150225247
Pub Dt:
08/13/2015
Title:
REACTIVE COVER GLASS OVER MOLTEN SILICON DURING DIRECTIONAL SOLIDIFICATION
35
Patent #:
9617160
Issue Dt:
04/11/2017
Application #:
14764491
Filing Dt:
07/29/2015
Publication #:
US20150360960
Pub Dt:
12/17/2015
Title:
COVER FLUX AND METHOD FOR SILICON PURIFICATION
36
Patent #:
9663872
Issue Dt:
05/30/2017
Application #:
14776536
Filing Dt:
09/14/2015
Publication #:
US20160032482
Pub Dt:
02/04/2016
Title:
DIRECTIONAL SOLIDIFICATION SYSTEM AND METHOD
37
Patent #:
NONE
Issue Dt:
Application #:
15166039
Filing Dt:
05/26/2016
Publication #:
US20160271692
Pub Dt:
09/22/2016
Title:
DIRECTIONAL SOLIDIFICATION SYSTEM AND METHOD
38
Patent #:
NONE
Issue Dt:
Application #:
15351290
Filing Dt:
11/14/2016
Publication #:
US20170057831
Pub Dt:
03/02/2017
Title:
FLUX COMPOSITION USEFUL IN DIRECTIONAL SOLIDIFICATION FOR PURIFYING SILICON
Assignor
1
SILICOR MATERIALS, INC.
Exec Dt:
05/16/2017
Assignee
1
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
121 SOUTH EIGHTH STREET
1600 TCF TOWER
MINNEAPOLIS, MINNESOTA 55402
Correspondence name and address
AMY SWEDBERG
90 SOUTH 7TH STREET
MASLON LLP - SUITE 3300
MINNEAPOLIS, MN 55402

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