skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : DUGGIRALA, PRASAD Y.
Total Assignments: 39
Assignment: 1
Reel/Frame:010667/0430   Pages: 3
Recorded: 03/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
03/01/2000
2
KOUZNETSOV, DMITRI
Exec Dt:
03/01/2000
3
DUGGIRALA, PRASAD Y.
Exec Dt:
03/03/2000
Assignee
1
NALCO CHEMICAL COMPANY
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6375829
NONE
09519688
Correspondence name and address
NALCO CHEMICAL COMPANY
MICHAEL B. MARTIN
ONE NALCO CENTER
NAPERVILLE, IL 60563-1198
Assignment: 2
Reel/Frame:011809/0934   Pages: 3
Recorded: 05/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
04/09/2001
2
DUGGIRALA, PRASAD Y.
Exec Dt:
04/09/2001
Assignee
1
ONDEO NALCO COMPANY
ONEDO NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6440327
NONE
09774413
Correspondence name and address
ONDEO NALCO COMPANY
MARGARET M. BRUMM
ONEDO NALCO CENTER
NAPERVILLE, IL 60563-1198
Assignment: 3
Reel/Frame:012030/0295   Pages: 3
Recorded: 07/30/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/19/2001
2
SHEVCHENKO, SERGEY M.
Exec Dt:
07/19/2001
3
SALMEN, KRISTINE S.
Exec Dt:
07/19/2001
Assignee
1
ONDEO NALCO COMPANY
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6702921
US20030085008
09846635
Correspondence name and address
ONDEO NALCO COMPANY
MARGARET M. BRUMM
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Assignment: 4
Reel/Frame:014970/0969   Pages: 3
Recorded: 02/06/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/19/2001
2
SHEVCHENKO, SERGEY M.
Exec Dt:
07/19/2001
3
SALMEN, KRISTINE S.
Exec Dt:
07/19/2001
Assignee
1
ONDEO MALCO COMPANY
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040154761
10774278
Correspondence name and address
ONDEO NALCO COMPANY
MARGARET M. BRUMM
PATENT AND LICENSING DEPT.
ONDEO NALCO CENTER
NAPERVILLE, IL 60563-1198
Assignment: 5
Reel/Frame:016541/0147   Pages: 3
Recorded: 05/03/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/19/2001
2
SHEVCHENKO, SERGEY M.
Exec Dt:
07/19/2001
3
SALMEN, KRISTINE S.
Exec Dt:
07/19/2001
Assignee
1
ONDEO NALCO COMPANY
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7229525
US20050194111
11121217
Correspondence name and address
MICHAEL B. MARTIN
PATENT AND LICENSING DEPT.
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Assignment: 6
Reel/Frame:012670/0543   Pages: 3
Recorded: 03/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
01/31/2002
2
DUGGIRALA, PRASAD Y.
Exec Dt:
01/31/2002
Assignee
1
ONDEO NALCO COMPANY
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6527914
NONE
10066271
Correspondence name and address
ONDEO NALCO COMPANY
MARGARET M. BRUMM
ONDEO NALCO CENTER
NAPERVILLE, IL 60563-1198
Assignment: 7
Reel/Frame:013126/0376   Pages: 3
Recorded: 07/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
07/12/2002
2
KOUZNETSOV, DMITRI L.
Exec Dt:
07/12/2002
3
DUGGIRALA, PRASAD Y.
Exec Dt:
07/12/2002
Assignee
1
ONDEO NALCO COMPANY
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6942782
US20030070943
10127380
Correspondence name and address
ONDEO NALCO COMPANY
MICHAEL B. MARTIN
PATENT LICENSING DEPT.
NAPERVILLE, ILLINOIS 60563-1198
Assignment: 8
Reel/Frame:013139/0891   Pages: 3
Recorded: 07/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/23/2002
2
SVARZ, JAMES J.
Exec Dt:
07/23/2002
Assignee
1
ONDEO NALCO COMPANY
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7081183
US20040016526
10201332
Correspondence name and address
ONDEO NALCO COMPANY
MICHAEL B. MARTIN
PATENT AND LICENSING DEPT.
ONDEO NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Assignment: 9
Reel/Frame:015182/0518   Pages: 3
Recorded: 03/31/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
03/31/2004
2
DUGGIRALA, PRASAD Y.
Exec Dt:
03/31/2004
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7351764
US20050217813
10814969
Correspondence name and address
NALCO COMPANY
MARGARET BRUMM
PATENT AND LICENSING DEPT.
1601 W. DIEHL ROAD
NAPERVILLE, IL 60563-1198
Assignment: 10
Reel/Frame:017374/0169   Pages: 3
Recorded: 12/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
12/09/2005
2
DUGGIRALA, PRASAD Y.
Exec Dt:
12/09/2005
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8092649
US20070131373
11302862
Correspondence name and address
THOMAS M. BREININGER
PATENT AND LICENSING DEPT.
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Assignment: 11
Reel/Frame:017374/0241   Pages: 3
Recorded: 12/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
12/09/2005
2
SHEVCHENKO, SERGEY M.
Exec Dt:
12/09/2005
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070131365
11300541
Correspondence name and address
THOMAS M. BREININGER
PATENT AND LICENSING DEPT.
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Assignment: 12
Reel/Frame:018124/0067   Pages: 3
Recorded: 07/21/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/20/2006
2
SHEVCHENKO, SERGEY M.
Exec Dt:
07/20/2006
3
BROADUS, KATHERINE M.
Exec Dt:
07/20/2006
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7914646
US20080017337
11490738
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, IL 60563-1198
Assignment: 13
Reel/Frame:026036/0537   Pages: 3
Recorded: 03/29/2011
Attorney Dkt #:7979 CO1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/20/2006
2
SHEVCHENKO, SERGEY M.
Exec Dt:
07/20/2006
3
BROADUS, KATHERINE M.
Exec Dt:
07/20/2006
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8262858
US20110174455
13074092
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, IL 60563-1198
Assignment: 14
Reel/Frame:018477/0167   Pages: 3
Recorded: 11/03/2006
Attorney Dkt #:7962
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
10/31/2006
2
SHEVCHENKO, SERGEY M.
Exec Dt:
10/31/2006
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080105392
11556259
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 15
Reel/Frame:024653/0250   Pages: 3
Recorded: 07/08/2010
Attorney Dkt #:7962 D1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
10/31/2006
2
SHEVCHENKO, SERGEY M.
Exec Dt:
10/31/2006
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8262852
US20100269993
12832425
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 16
Reel/Frame:019202/0587   Pages: 5
Recorded: 04/16/2007
Attorney Dkt #:8045
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SVARZ, JAMES
Exec Dt:
04/11/2007
2
DUGGIRALA, PRASAD Y.
Exec Dt:
04/10/2007
3
WORLEY, GRADY E.
Exec Dt:
04/11/2007
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7504478
US20080182967
11627607
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, IL 60563-1198
Assignment: 17
Reel/Frame:019276/0712   Pages: 4
Recorded: 05/10/2007
Attorney Dkt #:7961
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
05/07/2007
2
DUGGIRALA, PRASAD Y.
Exec Dt:
05/07/2007
3
KOUZNETSOV, DMITRI L.
Exec Dt:
05/07/2007
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7985318
US20080277083
11746947
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT AND LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 18
Reel/Frame:026643/0148   Pages: 3
Recorded: 07/25/2011
Attorney Dkt #:7961 CO1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEVCHENKO, SERGEY M.
Exec Dt:
05/07/2007
2
DUGGIRALA, PRASAD Y.
Exec Dt:
05/07/2007
3
KOUZNETSOV, DMITRI L.
Exec Dt:
05/07/2007
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8303768
US20110277948
13189965
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 19
Reel/Frame:021211/0832   Pages: 3
Recorded: 07/09/2008
Attorney Dkt #:8138
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/08/2008
2
MURCIA, MICHAEL J.
Exec Dt:
07/08/2008
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8133350
US20100006242
12169831
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 20
Reel/Frame:021213/0460   Pages: 3
Recorded: 07/09/2008
Attorney Dkt #:8139
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/08/2008
2
MURCIA, MICHAEL J.
Exec Dt:
07/08/2008
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8133351
US20100006243
12169900
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 21
Reel/Frame:021214/0075   Pages: 3
Recorded: 07/09/2008
Attorney Dkt #:8168
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/08/2008
2
MURCIA, MICHAEL J.
Exec Dt:
07/08/2008
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100006244
12169985
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 22
Reel/Frame:027649/0692   Pages: 3
Recorded: 02/03/2012
Attorney Dkt #:8138 D1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/08/2008
2
MURCIA, MICHAEL J.
Exec Dt:
07/08/2008
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120135906
13365596
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT
NAPERVILLE, IL 60563-1198
Assignment: 23
Reel/Frame:027649/0907   Pages: 3
Recorded: 02/03/2012
Attorney Dkt #:8139 D1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/08/2008
2
MURCIA, MICHAEL J.
Exec Dt:
07/08/2008
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8466204
US20120135907
13365645
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT
NAPERVILLE, IL 60563-1198
Assignment: 24
Reel/Frame:027656/0689   Pages: 3
Recorded: 02/06/2012
Attorney Dkt #:8139 CO1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/08/2008
2
MURCIA, MICHAEL J.
Exec Dt:
07/08/2008
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8317974
US20120135908
13366644
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT
NAPERVILLE, IL 60563-1198
Assignment: 25
Reel/Frame:022933/0274   Pages: 4
Recorded: 07/09/2009
Attorney Dkt #:8181
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROADUS, KATHERINE M.
Exec Dt:
07/09/2009
2
LI, XIAOJIN HARRY
Exec Dt:
07/08/2009
3
DUGGIRALA, PRASAD Y.
Exec Dt:
07/08/2009
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110008637
12499916
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 26
Reel/Frame:023833/0864   Pages: 5
Recorded: 01/22/2010
Attorney Dkt #:8188
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
01/15/2010
2
KEIZER, TIMOTHY S.
Exec Dt:
01/19/2010
3
BURNEY, JASON R.
Exec Dt:
01/22/2010
4
BROADUS, KATHERINE M.
Exec Dt:
01/15/2010
5
KEISER, BRUCE A.
Exec Dt:
01/15/2010
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110151151
12646093
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 27
Reel/Frame:024058/0435   Pages: 3
Recorded: 03/10/2010
Attorney Dkt #:8270
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
03/09/2010
2
LI, XIAOJIN HARRY
Exec Dt:
03/10/2010
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8366877
US20110220307
12720973
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 28
Reel/Frame:026957/0968   Pages: 3
Recorded: 09/23/2011
Attorney Dkt #:8327
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MURCIA, MICHAEL J.
Exec Dt:
09/22/2011
2
DUGGIRALA, PRASAD Y.
Exec Dt:
09/23/2011
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130078730
13242014
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT & LICENSING DEPT
NAPERVILLE, IL 60563-1198
Assignment: 29
Reel/Frame:052314/0253   Pages: 3
Recorded: 04/04/2020
Attorney Dkt #:8327USC1 (ECO0188US3)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MURCIA, MICHAEL J.
Exec Dt:
09/22/2011
2
DUGGIRALA, PRASAD Y.
Exec Dt:
09/23/2011
Assignee
1
NALCO COMPANY
1601 WEST DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190204224
16295797
Correspondence name and address
KAGAN BINDER PLLC
221 MAIN STREET NORTH
SUITE 200
STILLWATER, MN 55082
Assignment: 30
Reel/Frame:058086/0096   Pages: 3
Recorded: 11/11/2021
Attorney Dkt #:ECO0188/US/4 (8327USC2)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MURCIA, MICHAEL J.
Exec Dt:
09/22/2011
2
DUGGIRALA, PRASAD Y.
Exec Dt:
09/23/2011
Assignee
1
NALCO COMPANY
1601 WEST DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220018772
17491897
Correspondence name and address
KAGAN BINDER PLLC
221 MAIN STREET NORTH
SUITE 200
STILLWATER, MN 55082
Assignment: 31
Reel/Frame:065678/0247   Pages: 3
Recorded: 11/27/2023
Attorney Dkt #:ECO0188/US/5 (8327USC3)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MURCIA, MICHAEL J.
Exec Dt:
09/22/2011
2
DUGGIRALA, PRASAD Y.
Exec Dt:
09/23/2011
Assignee
1
NALCO COMPANY
1601 WEST DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240044794
18380961
Correspondence name and address
KAGAN BINDER PLLC
221 MAIN STREET NORTH
SUITE 200
STILLWATER, MN 55082
Assignment: 32
Reel/Frame:030631/0522   Pages: 4
Recorded: 06/18/2013
Attorney Dkt #:14828-1139
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
04/05/2013
2
SHEVCHENKO, SERGEY M.
Exec Dt:
04/08/2013
Assignee
1
ECOLAB USA INC.
1601 WEST DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9932709
US20140259458
13839091
Correspondence name and address
BRINKS HOFER GILSON & LIONE
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 33
Reel/Frame:030626/0750   Pages: 4
Recorded: 06/17/2013
Attorney Dkt #:8527USI1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
05/28/2013
2
SHEVCHENKO, SERGEY M.
Exec Dt:
05/28/2013
Assignee
1
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9068293
US20130206350
13851884
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
NAPERVILLE, IL 60563-1198
Assignment: 34
Reel/Frame:031050/0443   Pages: 4
Recorded: 08/21/2013
Attorney Dkt #:PT10044US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
08/20/2013
2
SHEVCHENKO, SERGEY M.
Exec Dt:
08/16/2013
3
MURCIA, MICHAEL
Exec Dt:
08/15/2013
Assignee
1
ECOLAB USA INC.
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9063080
US20150029496
13952395
Correspondence name and address
ECOLAB USA INC
1601 W. DIEHL ROAD
NAPERVILLE, IL 60563
Assignment: 35
Reel/Frame:033422/0397   Pages: 4
Recorded: 07/30/2014
Attorney Dkt #:PT10368USI1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/15/2014
2
SHEVCHENKO, SERGEY M.
Exec Dt:
07/15/2014
Assignee
1
NALCO COMPANY
1601 WEST DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140318724
14330958
Correspondence name and address
ECOLAB USA INC.
655 LONE OAK DRIVE
EAGAN, MN 55121
Assignment: 36
Reel/Frame:034735/0001   Pages: 6
Recorded: 01/16/2015
Attorney Dkt #:14828-2612 (PT10446)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
12/16/2014
2
CHENG, WEIGUO
Exec Dt:
12/16/2014
3
MLAMBO, DARLINGTON
Exec Dt:
12/16/2014
4
BERA, TARUN KUMAR
Exec Dt:
12/18/2014
5
WANDERLEY BRATFISCH PACE, LUIZ
Exec Dt:
12/18/2014
Assignee
1
ECOLAB USA INC.
1601 WEST DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10000393
US20160200600
14596899
Correspondence name and address
BRINKS GILSON & LIONE
455 N. CITYFRONT PLAZA DRIVE
NBC TOWER - SUITE 3600
CHICAGO, IL 60611
Assignment: 37
Reel/Frame:041584/0536   Pages: 4
Recorded: 03/15/2017
Attorney Dkt #:727658 (PT10595USU1)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
03/28/2016
2
SHEVCHENKO, SERGEY M.
Exec Dt:
03/28/2016
Assignee
1
ECOLAB USA INC.
370 NORTH WABASHA STREET
ST. PAUL, MINNESOTA 55102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170268171
15459303
Correspondence name and address
JOSHUA D. BISHOP
LEYDIG, VOIT & MAYER, LTD.
180 N. STETSON AVE., SUITE 4900
CHICAGO, IL 60601-6731
Assignment: 38
Reel/Frame:043058/0581   Pages: 4
Recorded: 07/20/2017
Attorney Dkt #:14828-3776 (N10775USU1)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGGIRALA, PRASAD Y.
Exec Dt:
07/29/2016
2
SHEVCHENKO, SERGEY M.
Exec Dt:
07/29/2016
Assignee
1
ECOLAB USA INC.
370 NORTH WABASHA STREET
ST. PAUL, MINNESOTA 55102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180030651
15655555
Correspondence name and address
BRINKS GILSON AND LIONE
405 SOUTH MAIN STREET
SUITE 1000
SALT LAKE CITY, UT 84111-3411
Assignment: 39
Reel/Frame:058868/0140   Pages: 10
Recorded: 02/02/2022
Attorney Dkt #:35960-351386 (N11606USU1)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VON DRASEK, WILLIAM
Exec Dt:
01/16/2021
2
DUGGIRALA, PRASAD Y.
Exec Dt:
01/15/2021
3
SMORON, DOROTA
Exec Dt:
01/14/2021
4
POWERS, CHRISTOPHER
Exec Dt:
01/15/2021
5
SIROIS, DAVID
Exec Dt:
02/02/2021
6
ZOUAOUI, KHALED
Exec Dt:
02/02/2021
7
KJERULF, MICHAEL
Exec Dt:
02/01/2021
Assignee
1
ECOLAB USA INC.
1 ECOLAB PLACE
ST. PAUL, MINNESOTA 55102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220251781
17590970
Correspondence name and address
BARNES & THORNBURG LLP
299 SOUTH MAIN STREET, SUITE 1825
SALT LAKE CITY, UT 84111-2571

Search Results as of: 05/14/2024 04:50 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT