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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:054113/0352   Pages: 12
Recorded: 10/19/2020
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 62
1
Patent #:
Issue Dt:
09/05/2000
Application #:
09129063
Filing Dt:
08/04/1998
Title:
PROPPANT CONTAINING BONDABLE PARTICLES AND REMOVABLE PARTICLES
2
Patent #:
Issue Dt:
12/11/2001
Application #:
09616648
Filing Dt:
07/14/2000
Title:
Proppant containing bondable particles and removable particles
3
Patent #:
Issue Dt:
05/23/2006
Application #:
10195989
Filing Dt:
07/16/2002
Publication #:
Pub Dt:
01/22/2004
Title:
DOWNHOLE CHEMICAL DELIVERY SYSTEM FOR OIL AND GAS WELLS
4
Patent #:
Issue Dt:
09/12/2006
Application #:
10230323
Filing Dt:
08/29/2002
Title:
STATIC TWO STAGE AIR CLASSIFIER
5
Patent #:
Issue Dt:
11/14/2006
Application #:
10611200
Filing Dt:
07/01/2003
Title:
PROCESS FOR INCREMENTAL COATING OF PROPPANTS FOR HYDRAULIC FRACTURING AND PROPPANTS PRODUCED THEREFROM
6
Patent #:
Issue Dt:
07/17/2007
Application #:
10793429
Filing Dt:
03/04/2004
Publication #:
Pub Dt:
09/08/2005
Title:
SOLUBLE FIBERS FOR USE IN RESIN COATED PROPPANT
7
Patent #:
Issue Dt:
10/02/2007
Application #:
11203919
Filing Dt:
08/15/2005
Publication #:
Pub Dt:
02/23/2006
Title:
ENVIRONMENTALLY SAFE PROMOTER FOR USE IN FLOTATION SEPARATION OF CARBONATES FROM MINERALS
8
Patent #:
Issue Dt:
09/01/2009
Application #:
11256839
Filing Dt:
10/24/2005
Publication #:
Pub Dt:
12/27/2007
Title:
PIGMENT COMPOSITION FOR PAINT
9
Patent #:
Issue Dt:
03/03/2009
Application #:
11523058
Filing Dt:
09/15/2006
Publication #:
Pub Dt:
12/27/2007
Title:
FLUORIDE BASED COMPOSITE MATERIAL AND METHOD FOR MAKING THE SAME
10
Patent #:
Issue Dt:
02/17/2009
Application #:
11541874
Filing Dt:
10/02/2006
Publication #:
Pub Dt:
04/03/2008
Title:
PROPPANTS WITH SOLUBLE COMPOSITE COATINGS
11
Patent #:
Issue Dt:
10/07/2014
Application #:
11582644
Filing Dt:
10/18/2006
Publication #:
Pub Dt:
02/15/2007
Title:
Process for incremental coating of proppants for hydraulic fracturing and proppants produced therefrom
12
Patent #:
Issue Dt:
01/19/2010
Application #:
11640813
Filing Dt:
12/18/2006
Publication #:
Pub Dt:
07/26/2007
Title:
DEGRADABLE BALL SEALERS AND METHODS FOR USE IN WELL TREATMENT
13
Patent #:
Issue Dt:
07/27/2010
Application #:
11645991
Filing Dt:
12/27/2006
Publication #:
Pub Dt:
11/22/2007
Title:
NO HEXA SHELL SAND
14
Patent #:
Issue Dt:
10/14/2014
Application #:
11803093
Filing Dt:
05/11/2007
Publication #:
Pub Dt:
01/17/2008
Title:
Ultra fine nepheline syenite powder and products for using same
15
Patent #:
Issue Dt:
07/20/2010
Application #:
12009693
Filing Dt:
01/22/2008
Publication #:
Pub Dt:
08/07/2008
Title:
METHOD OF PROCESSING NEPHELINE SYENITE POWDER TO PRODUCE AN ULTRA-FINE GRAIN SIZE PRODUCT
16
Patent #:
Issue Dt:
03/29/2011
Application #:
12080655
Filing Dt:
04/04/2008
Publication #:
Pub Dt:
05/07/2009
Title:
ULTRAFINE NEPHELINE SYENITE
17
Patent #:
Issue Dt:
08/31/2010
Application #:
12100072
Filing Dt:
04/09/2008
Title:
SYNTHESIS OF LIZARDITE FROM OLIVINE
18
Patent #:
Issue Dt:
11/17/2009
Application #:
12125594
Filing Dt:
05/22/2008
Publication #:
Pub Dt:
09/11/2008
Title:
FLUORSPAR-BASED FILLER AND METHOD FOR MAKING THE SAME
19
Patent #:
Issue Dt:
11/17/2009
Application #:
12125956
Filing Dt:
05/23/2008
Publication #:
Pub Dt:
09/11/2008
Title:
FLUORSPAR-BASED FILLER AND METHOD FOR MAKING THE SAME
20
Patent #:
Issue Dt:
05/19/2015
Application #:
12215643
Filing Dt:
06/27/2008
Publication #:
Pub Dt:
01/15/2009
Title:
NEPHELINE SYENITE POWDER WITH CONTROLLED PARTICLE SIZE AND NOVEL METHOD OF MAKING SAME
21
Patent #:
Issue Dt:
05/22/2012
Application #:
12237628
Filing Dt:
09/25/2008
Publication #:
Pub Dt:
10/22/2009
Title:
POWDER FORMED FROM MINERAL OR ROCK MATERIAL WITH CONTROLLED PARTICLE SIZE DISTRIBUTION FOR THERMAL FILMS
22
Patent #:
Issue Dt:
01/17/2012
Application #:
12254848
Filing Dt:
10/21/2008
Publication #:
Pub Dt:
06/18/2009
Title:
BINDER FOR WHITEWARE CERAMIC MIXTURE AND METHOD OF USING SAME
23
Patent #:
Issue Dt:
08/07/2012
Application #:
12556737
Filing Dt:
09/10/2009
Publication #:
Pub Dt:
03/25/2010
Title:
METHOD OF MAKING PROPPANTS USED IN GAS OR OIL EXTRACTION
24
Patent #:
Issue Dt:
11/23/2010
Application #:
12561396
Filing Dt:
09/17/2009
Publication #:
Pub Dt:
01/14/2010
Title:
FLUORSPAR-BASED FILLER AND METHOD FOR MAKING THE SAME
25
Patent #:
Issue Dt:
09/20/2011
Application #:
12622900
Filing Dt:
11/20/2009
Publication #:
Pub Dt:
08/05/2010
Title:
METHOD OF MAKING PROPPANT USED IN GAS OR OIL EXTRACTION
26
Patent #:
Issue Dt:
11/06/2012
Application #:
12651605
Filing Dt:
01/04/2010
Publication #:
Pub Dt:
08/12/2010
Title:
HIGH STRENGTH CLAY BLEND FOR SANITARY WARE
27
Patent #:
Issue Dt:
05/17/2011
Application #:
12823313
Filing Dt:
06/25/2010
Publication #:
Pub Dt:
10/14/2010
Title:
METHOD OF PROCESSING NEPHELINE SYENITE POWDER TO PRODUCE AN ULTRA-FINE GRAIN SIZE PRODUCT
28
Patent #:
Issue Dt:
06/17/2014
Application #:
12832171
Filing Dt:
07/08/2010
Publication #:
Pub Dt:
11/11/2010
Title:
NO HEXA SHELL SAND
29
Patent #:
Issue Dt:
12/19/2017
Application #:
12908411
Filing Dt:
10/20/2010
Publication #:
Pub Dt:
05/26/2011
Title:
PROPPANTS FOR HYDRAULIC FRACTURING TECHNOLOGIES
30
Patent #:
Issue Dt:
04/15/2014
Application #:
12914560
Filing Dt:
10/28/2010
Publication #:
Pub Dt:
05/05/2011
Title:
RAPID ACTION COATER AND PROCESS FOR COATING CERAMIC PARTICLES USING SAME
31
Patent #:
Issue Dt:
10/21/2014
Application #:
12948386
Filing Dt:
11/17/2010
Publication #:
Pub Dt:
05/26/2011
Title:
ULTRAFINE NEPHELINE SYENITE
32
Patent #:
Issue Dt:
12/06/2011
Application #:
12985071
Filing Dt:
01/05/2011
Publication #:
Pub Dt:
07/07/2011
Title:
METHOD OF PROCESSING NEPHELINE SYENITE POWDER TO PRODUCE AN ULTRA-FINE GRAIN SIZE PRODUCT
33
Patent #:
Issue Dt:
06/18/2013
Application #:
13197520
Filing Dt:
08/03/2011
Publication #:
Pub Dt:
12/01/2011
Title:
METHOD OF MAKING PROPPANTS USED IN GAS OR OIL EXTRACTION
34
Patent #:
Issue Dt:
08/05/2014
Application #:
13420757
Filing Dt:
03/15/2012
Publication #:
Pub Dt:
07/05/2012
Title:
POWDER FORMED FROM MINERAL OR ROCK MATERIAL WITH CONTROLLED PARTICLE SIZE DISTRIBUTION FOR THERMAL FILMS
35
Patent #:
Issue Dt:
04/19/2016
Application #:
13599828
Filing Dt:
08/30/2012
Publication #:
Pub Dt:
09/12/2013
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
36
Patent #:
Issue Dt:
03/29/2016
Application #:
13838806
Filing Dt:
03/15/2013
Publication #:
Pub Dt:
03/06/2014
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING COMPRISING A COATING OF HYDROGEL-FORMING POLYMER
37
Patent #:
Issue Dt:
07/21/2015
Application #:
13846474
Filing Dt:
03/18/2013
Publication #:
Pub Dt:
09/26/2013
Title:
MINERAL BASED FILLERS USED AS A SUBSTITUTE FOR WOOD FILLERS IN SIMULATED WOOD PRODUCTS AND SIMULATED WOOD PRODUCTS CONTAINING THE SAME
38
Patent #:
Issue Dt:
01/16/2018
Application #:
14197596
Filing Dt:
03/05/2014
Publication #:
Pub Dt:
08/14/2014
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
39
Patent #:
Issue Dt:
02/23/2016
Application #:
14313397
Filing Dt:
06/24/2014
Publication #:
Pub Dt:
10/16/2014
Title:
POWDER FORMED FROM MINERAL OR ROCK MATERIAL WITH CONTROLLED PARTICLE SIZE DISTRIBUTION FOR THERMAL FILMS
40
Patent #:
Issue Dt:
04/03/2018
Application #:
14631946
Filing Dt:
02/26/2015
Publication #:
Pub Dt:
09/10/2015
Title:
CALCIUM ION TOLERANT SELF-SUSPENDING PROPPANTS
41
Patent #:
Issue Dt:
05/09/2017
Application #:
14958112
Filing Dt:
12/03/2015
Publication #:
Pub Dt:
05/19/2016
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
42
Patent #:
Issue Dt:
10/24/2017
Application #:
15081037
Filing Dt:
03/25/2016
Publication #:
Pub Dt:
07/14/2016
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
43
Patent #:
Issue Dt:
07/17/2018
Application #:
15091034
Filing Dt:
04/05/2016
Title:
DUST FREE PROPPANT AND METHOD OF MAKING SAME
44
Patent #:
NONE
Issue Dt:
Application #:
15091987
Filing Dt:
04/06/2016
Publication #:
Pub Dt:
10/13/2016
Title:
HARD AND SALT WATER RESISTANT SELF SUSPENDING PROPPANTS
45
Patent #:
Issue Dt:
09/04/2018
Application #:
15136371
Filing Dt:
04/22/2016
Publication #:
Pub Dt:
08/18/2016
Title:
ULTRAFINE NEPHELINE SYENITE
46
Patent #:
NONE
Issue Dt:
Application #:
15228189
Filing Dt:
08/04/2016
Publication #:
Pub Dt:
12/22/2016
Title:
TRANSITION METAL PROPPANTS
47
Patent #:
Issue Dt:
07/17/2018
Application #:
15232912
Filing Dt:
08/10/2016
Title:
SYSTEM AND METHOD OF COATING A PROPPANT
48
Patent #:
Issue Dt:
12/19/2017
Application #:
15339986
Filing Dt:
11/01/2016
Publication #:
Pub Dt:
03/02/2017
Title:
PROPPANTS FOR HYDRAULIC FRACTURING TECHNOLOGIES
49
Patent #:
Issue Dt:
12/19/2017
Application #:
15340000
Filing Dt:
11/01/2016
Publication #:
Pub Dt:
03/02/2017
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
50
Patent #:
NONE
Issue Dt:
Application #:
15595722
Filing Dt:
05/15/2017
Publication #:
Pub Dt:
11/23/2017
Title:
SALT-TOLERANT SELF-SUSPENDING PROPPANTS
51
Patent #:
NONE
Issue Dt:
Application #:
15708957
Filing Dt:
09/19/2017
Publication #:
Pub Dt:
03/22/2018
Title:
DEGRADABLE BALL SEALERS WITH IMPROVED SOLUBILITY CHARACTERISTICS
52
Patent #:
Issue Dt:
11/12/2019
Application #:
15721983
Filing Dt:
10/02/2017
Publication #:
Pub Dt:
07/12/2018
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
53
Patent #:
NONE
Issue Dt:
Application #:
15774644
Filing Dt:
05/09/2018
Publication #:
Pub Dt:
11/15/2018
Title:
PRESSURE ACTIVATED CURABLE RESIN COATED PROPPANTS
54
Patent #:
NONE
Issue Dt:
Application #:
15774669
Filing Dt:
05/09/2018
Publication #:
Pub Dt:
11/15/2018
Title:
PRESSURE ACTIVATED CURABLE RESIN COATED PROPPANTS WITH HIGH OIL PERMEABILITY
55
Patent #:
NONE
Issue Dt:
Application #:
15782066
Filing Dt:
10/12/2017
Publication #:
Pub Dt:
06/07/2018
Title:
SELF-SUSPENDING PROPPANTS
56
Patent #:
NONE
Issue Dt:
Application #:
15782922
Filing Dt:
10/13/2017
Publication #:
Pub Dt:
04/19/2018
Title:
SELF-SUSPENDING PROPPANTS
57
Patent #:
NONE
Issue Dt:
Application #:
15834214
Filing Dt:
12/07/2017
Publication #:
Pub Dt:
05/24/2018
Title:
PROPPANTS FOR HYDRAULIC FRACTURING TECHNOLOGIES
58
Patent #:
Issue Dt:
06/11/2019
Application #:
15834255
Filing Dt:
12/07/2017
Publication #:
Pub Dt:
05/17/2018
Title:
SELF-SUSPENDING PROPPANTS FOR HYDRAULIC FRACTURING
59
Patent #:
Issue Dt:
08/11/2020
Application #:
15907335
Filing Dt:
02/28/2018
Title:
DUST FREE SILICA PARTICLES
60
Patent #:
Issue Dt:
06/01/2021
Application #:
15919399
Filing Dt:
03/13/2018
Publication #:
Pub Dt:
09/20/2018
Title:
FLOWBACK RESISTANT PROPPANTS
61
Patent #:
Issue Dt:
05/21/2019
Application #:
15943645
Filing Dt:
04/02/2018
Publication #:
Pub Dt:
08/09/2018
Title:
ULTRA FINE NEPHELINE SYENITE POWDER AND PRODUCTS FOR USING SAME
62
Patent #:
NONE
Issue Dt:
Application #:
15952459
Filing Dt:
04/13/2018
Publication #:
Pub Dt:
01/03/2019
Title:
SELF-SUSPENDING PROPPANTS MADE FROM POWDERED HYDROGEL-FORMING POLYMERS
Assignor
1
Exec Dt:
08/20/2020
Assignee
1
500 DELAWARE AVENUE
WILMINGTON, DELAWARE 19801
Correspondence name and address
CHRISTOPHER MCWHINNEY
1666 K ST, NW
SULLIVAN & WORCESTER LLP
WASHINGTON, DC 20006

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