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Patent Assignment Assignor Details
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Assignor Name : OUWEHAND, CORNELIS
Total Assignments: 8
Assignment: 1
Reel/Frame:015229/0133   Pages: 2
Recorded: 04/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CREYGHTON, EDWARD JULIUS
Exec Dt:
12/22/2003
2
OUWEHAND, CORNELIS
Exec Dt:
12/23/2003
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
910 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7192900
US20040152587
10720619
Correspondence name and address
SHELL OIL COMPANY
CHARLES W. STEWART
P.O. BOX 2463
910 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 2
Reel/Frame:016585/0102   Pages: 2
Recorded: 05/20/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CREYGHTON, EDWARD JULIUS
Exec Dt:
04/04/2005
2
HUVE, LAURENT GEORGES
Exec Dt:
04/05/2005
3
VAN VEEN, JOHANNES ANTHONIUS ROBERT
Exec Dt:
04/06/2005
4
OUWEHAND, CORNELIS
Exec Dt:
04/06/2005
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050197249
11069425
Correspondence name and address
CHARLES W. STEWART
SHELL OIL COPANY
INTELLECTUAL PROPERTY
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 3
Reel/Frame:024478/0458   Pages: 8
Recorded: 06/03/2010
Attorney Dkt #:0068905-000367
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COOPER, DAVID ALLEN
Exec Dt:
04/30/2010
2
OUWEHAND, CORNELIS
Exec Dt:
04/30/2010
3
DOMOKOS, LASZLO
Exec Dt:
04/30/2010
4
ONG, LAY HWA
Exec Dt:
04/30/2010
Assignee
1
PQ CORPORATION
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100278723
12768969
Correspondence name and address
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 4
Reel/Frame:033222/0043   Pages: 8
Recorded: 07/01/2014
Attorney Dkt #:0068905-000594
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COOPER, DAVID ALLEN
Exec Dt:
04/30/2010
2
OUWEHAND, CORNELIS
Exec Dt:
04/30/2010
3
DOMOKOS, LASZLO
Exec Dt:
04/30/2010
4
ONG, LAY HWA
Exec Dt:
04/30/2010
Assignee
1
PQ CORPORATION
300 LINDENWOOD DRIVE
VALLEYBROOKE CORPORATE CENTER
MALVERN, PENNSYLVANIA 19355-1740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9308521
US20140135560
14157022
Correspondence name and address
MICHAEL L. DEVER
ONE OXFORD CENTRE
301 GRANT STREET, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 5
Reel/Frame:027153/0789   Pages: 2
Recorded: 11/01/2011
Attorney Dkt #:TS2113US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOMOKOS, LASZLO
Exec Dt:
10/20/2011
2
OUWEHAND, CORNELIS
Exec Dt:
10/20/2011
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
ONE SHELL PLAZA
HOUSTON, TEXAS 772522463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9199228
US20120055846
13266713
Correspondence name and address
SHELL OIL COMPANY
P.O. BOX 2463
ONE SHELL PLAZA
HOUSTON, TX 772522463
Assignment: 6
Reel/Frame:035370/0342   Pages: 2
Recorded: 04/09/2015
Attorney Dkt #:TS2583-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OUWEHAND, CORNELIS
Exec Dt:
03/27/2015
2
RIGUTTO, MARCELLO STEFANO
Exec Dt:
03/27/2015
3
VAN WELSENES, AREND JAN
Exec Dt:
03/30/2015
Assignee
1
SHELL OIL COMPANY
P. O. BOX 2463
ONE SHELL PLAZA
HOUSTON, TEXAS 772522463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10279340
US20150209772
14366739
Correspondence name and address
SHELL OIL COMPANY
P O BOX 2463
ONE SHELL PLAZA
HOUSTON, TX 77252-2463
Assignment: 7
Reel/Frame:062394/0741   Pages: 7
Recorded: 01/17/2023
Attorney Dkt #:SP1715-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COOPER, DAVID ALLEN
Exec Dt:
01/10/2023
2
DEN BREEJEN, JOHAN PETER
Exec Dt:
09/20/2022
3
HUGHES, JAMES
Exec Dt:
09/14/2022
4
OUWEHAND, CORNELIS
Exec Dt:
09/20/2022
5
RIGUTTO, MARCELLO STEFANO
Exec Dt:
09/18/2022
Assignee
1
SHELL USA, INC.
P.O. BOX 576
HOUSTON, TEXAS 77001-0576
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230191375
17912905
Correspondence name and address
SHELL USA, INC.
P.O. BOX 576
HOUSTON, TX 77001-0576
Assignment: 8
Reel/Frame:063746/0549   Pages: 4
Recorded: 05/24/2023
Attorney Dkt #:SP2410-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEN BREEJEN, JOHAN PETER
Exec Dt:
04/12/2023
2
OUWEHAND, CORNELIS
Exec Dt:
05/12/2023
3
RIGUTTO, MARCELLO STEFANO
Exec Dt:
05/12/2023
Assignee
1
SHELL USA, INC.
P.O. BOX 576
HOUSTON, TEXAS 77001-0576
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230372922
18248707
Correspondence name and address
SHELL USA, INC.
P.O. BOX 576
HOUSTON, TX 77001-0576

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