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Patent Assignment Assignor Details
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Assignor Name : BOTHA, JAN MATTHEUS
Total Assignments: 12
Assignment: 1
Reel/Frame:012087/0642   Pages: 8
Recorded: 07/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOTHA, JAN MATTHEUS
Exec Dt:
07/09/2001
2
MBATHA, MUZIKAYISE MTHOKOZISI JUSTICE
Exec Dt:
07/09/2001
3
NKOSI, BONGANI SIMON
Exec Dt:
07/09/2001
4
SPAMER, ALTA
Exec Dt:
07/09/2001
5
SWART, JOAN
Exec Dt:
07/20/2001
Assignee
1
SASOL TECHNOLOGY (PROPRIETARY) LIMITED
KLASIE HAVENGA ROAD, P.O. BOX 1
SASOLBURG, 1947, SOUTH AFRICA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6586649
NONE
09763504
Correspondence name and address
CLIFFORD J. MASS
C/O LADAS & PARRY
26 WEST 61ST STREET
NEW YORK, NEW YORK 10023
Assignment: 2
Reel/Frame:013606/0476   Pages: 5
Recorded: 12/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOTHA, JAN MATTHEUS
Exec Dt:
11/20/2002
2
REYNHARDT, JAN PETRUS KAREL
Exec Dt:
11/22/2002
3
SCHALKWYK, CHARL VAN
Exec Dt:
11/20/2002
4
VOSLOO, HERMANUS CORNELIUS MOOLMAN
Exec Dt:
12/02/2002
Assignee
1
SASOL TECHNOLOGY (PTY) LTD.
1 STURDEE AVENUE
ROSEBANK 2196 JOHANNESBURG, SOUTH AFRICA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030135080
10168255
Correspondence name and address
FISH & RICHARDSON P.C.
Y. ROCKY TSAO
225 FRANKLIN STREET
BOSTON, MASSACHUSETTS 02110-2804
Assignment: 3
Reel/Frame:015944/0729   Pages: 6
Recorded: 11/01/2004
Attorney Dkt #:02814.0063
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DE BRUYN, CORNELIS JOHANNES
Exec Dt:
04/22/2004
2
DE WET, EWALD WATERMEYER
Exec Dt:
04/22/2004
3
BOTHA, JAN MATTHEUS
Exec Dt:
04/22/2004
4
REYNHARDT, JAN PETRUS KAREL
Exec Dt:
04/22/2004
Assignee
1
SASOL TECHNOLOGY (PTY) LIMITED
1 STURDEE AVENUE, ROSEBANK
JOHANNESBURG, 2196, SOUTH AFRICA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050065389
10489216
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, GARRETT
& DUNNER, L.L.P.
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005-3315
Assignment: 4
Reel/Frame:018150/0339   Pages: 4
Recorded: 04/19/2006
Attorney Dkt #:000004.P001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPAMER, ALTA
Exec Dt:
11/03/2005
2
BOTHA, JAN MATTHEUS
Exec Dt:
11/03/2005
3
VAN SCHALKWYK, CHARL
Exec Dt:
11/03/2005
4
MOODLEY, DENZIL JAMES
Exec Dt:
03/20/2005
5
DUBE, THAMASANGA IAN
Exec Dt:
02/09/2005
Assignee
1
SASOL TECHNOLOGY (PY) LTD
1 STURDEE AVENUE
ROSEBANK, SOUTH AFRICA 7979
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060293548
10524795
Correspondence name and address
VANI MOODLEY
HAHN AND MOODLEY LLP
P.O. BOX 52050
MINNEAPOLIS, MN 55402
Assignment: 5
Reel/Frame:023528/0288   Pages: 3
Recorded: 11/17/2009
Attorney Dkt #:70914/09-449
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VISAGIE, JACOBUS LUCAS
Exec Dt:
06/04/2008
2
BOTHA, JAN MATTHEUS
Exec Dt:
06/04/2008
3
KOORTZEN, JOHANNES GERHARDUS
Exec Dt:
06/04/2008
4
DATT, MICHAEL STEVEN
Exec Dt:
06/04/2008
5
BOHMER, ALTA
Exec Dt:
06/04/2008
6
VAN DE LOOSDRECHT, JAN
Exec Dt:
06/04/2008
7
SAIB, ABDOOL MUTHALIB
Exec Dt:
06/04/2008
Assignee
1
SASOL TECHNOLOGY (PROPRIETARY) LIMITED
1 STURDEE AVENUE, ROSEBANK
JOHANNESBURG, SOUTH AFRICA 2196
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8062992
US20100152035
12598687
Correspondence name and address
FELLERS SNIDER, ET AL.
321 S. BOSTON, STE. 800
TULSA, OK 74103
Assignment: 6
Reel/Frame:023760/0464   Pages: 3
Recorded: 01/11/2010
Attorney Dkt #:70913/09-456
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VISAGIE, JACOBUS LUCAS
Exec Dt:
06/04/2008
2
BOTHA, JAN MATTHEUS
Exec Dt:
06/04/2008
3
KOORTZEN, JOHANNES GERHARDUS
Exec Dt:
06/04/2008
4
DATT, MICHAEL STEVEN
Exec Dt:
06/04/2008
5
BOHMER, ALTA
Exec Dt:
06/04/2008
6
VAN DE LOOSDRECHT, JAN
Exec Dt:
06/04/2008
7
SAIB, ABDOOL MUTHALIB
Exec Dt:
06/04/2008
Assignee
1
SASOL TECHNOLOGY (PROPRIETARY) LIMITED
1 STURDEE AVENUE, ROSEBANK
JOHANNESBURG, SOUTH AFRICA 2196
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8067333
US20100144520
12598742
Correspondence name and address
FELLERS SNIDER, ET AL.
321 S. BOSTON, STE. 800
TULSA, OK 74103
Assignment: 7
Reel/Frame:025133/0103   Pages: 2
Recorded: 10/13/2010
Attorney Dkt #:71812/10-382
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN DE LOOSDRECHT, JAN
Exec Dt:
04/17/2009
2
BOTHA, JAN MATTHEUS
Exec Dt:
04/17/2009
Assignee
1
SASOL TECHNOLOGY (PROPRIETARY) LIMITED
1 STURDEE AVENUE, ROSEBANK
JOHANNESBURG, SOUTH AFRICA 2196
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8394864
US20110028575
12937491
Correspondence name and address
FELLERS SNIDER, ET AL.
321 S. BOSTON AVE., SUITE 800
TULSA, OK 74103
Assignment: 8
Reel/Frame:023797/0838   Pages: 4
Recorded: 01/15/2010
Attorney Dkt #:70914/09-449
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VISAGIE, JACOBUS LUCAS
Exec Dt:
11/30/2009
2
BOTHA, JAN MATTHEUS
Exec Dt:
11/30/2009
3
KOORTZEN, JOHANNES GERHARDUS
Exec Dt:
11/30/2009
4
DATT, MICHAEL STEVEN
Exec Dt:
11/30/2009
5
BOHMER, ALTA
Exec Dt:
11/30/2009
6
VAN DE LOOSDRECHT, JAN
Exec Dt:
11/30/2009
7
SAIB, ABDOOL MUTHALIB
Exec Dt:
11/30/2009
Assignee
1
SASOL TECHNOLOGY (PROPRIETARY) LIMITED
1 STURDEE AVENUE, ROSEBANK
JOHANNESBURG, SOUTH AFRICA 2196
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8062992
US20100152035
12598687
Correspondence name and address
FELLERS SNIDER, ET AL.
321 S. BOSTON, STE. 800
TULSA, OK 74103
Assignment: 9
Reel/Frame:027333/0319   Pages: 4
Recorded: 12/06/2011
Attorney Dkt #:02814.0105
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOTHA, JAN MATTHEUS
Exec Dt:
11/10/2011
2
FERREIRA, ALTA CARINA
Exec Dt:
11/17/2011
3
REYNHARDT, JAN PETRUS KAREL
Exec Dt:
10/02/2011
4
WELKER-NIEUWOUDT, CATHRIN ALEXANDRA
Exec Dt:
10/18/2011
Assignee
1
SASOL TECHNOLOGY (PTY) LIMITED
1 STURDEE AVENUE, ROSEBANK
JOHANNESBURG, SOUTH AFRICA 2196
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9592494
US20120083540
13140240
Correspondence name and address
FINNEGAN
901 NEW YORK AVENUE NW
WASHINGTON, DC, DC 20001
Assignment: 10
Reel/Frame:043636/0709   Pages: 8
Recorded: 09/20/2017
Attorney Dkt #:16234/3 (P50713US00)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOTHA, JAN MATTHEUS
Exec Dt:
08/21/2017
2
VISAGIE, JACOBUS LUCAS
Exec Dt:
08/21/2017
3
CULLEN, ADAM
Exec Dt:
09/05/2017
4
TALJAARD, JANA HELOISE
Exec Dt:
08/21/2017
5
MEYER, RITA
Exec Dt:
08/21/2017
Assignee
1
SASOL TECHNOLOGY (PTY) LIMITED
SASOL PLACE, 50 KATHERINE STREET
SANDTON, JOHANNESBURG, SOUTH AFRICA 2196
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10569255
US20180008961
15546864
Correspondence name and address
BRINKS GILSON & LIONE
PO BOX 10395
CHICAGO, IL 60610
Assignment: 11
Reel/Frame:049174/0785   Pages: 8
Recorded: 05/14/2019
Attorney Dkt #:16234-4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOTHA, JAN MATTHEUS
Exec Dt:
03/18/2019
2
MOODLEY, DENZIL JAMES
Exec Dt:
03/25/2019
3
POTGIETER, JANA HELOISE
Exec Dt:
03/18/2019
4
VAN RENSBURG, HENDRIK
Exec Dt:
03/06/2019
5
VAN DE LOOSDRECHT, JAN
Exec Dt:
04/09/2019
6
MOODLEY, PRABASHINI
Exec Dt:
03/25/2019
Assignee
1
SASOL SOUTH AFRICA LIMITED
SASOL PLACE
50 KATHERINE STREET
SANDTON, JOHANNESBURG, SOUTH AFRICA 2090
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11278870
US20210213428
16319674
Correspondence name and address
BRINKS GILSON & LIONE
4721 EMPEROR BOULEVARD
SUITE 220
DURHAM, NC 27703
Assignment: 12
Reel/Frame:056492/0102   Pages: 12
Recorded: 06/09/2021
Attorney Dkt #:ADAD.P0005US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAUCHÉ, JEAN LOUIS
Exec Dt:
06/07/2021
2
PIENAAR, CORNELIA
Exec Dt:
05/24/2021
3
SWART, JURIE CHRISTIAAN WESSELS
Exec Dt:
06/07/2021
4
BOTHA, JAN MATTHEUS
Exec Dt:
05/27/2021
5
MOODLEY, DENZIL JAMES
Exec Dt:
05/27/2021
6
POTGIETER, JANA HELOISE
Exec Dt:
05/18/2021
7
DAVEL, JOLANDIE ZONJA
Exec Dt:
05/18/2021
Assignee
1
SASOL SOUTH AFRICA LIMITED
SASOL PLACE, KATHERINE STREET
SANDTON, SOUTH AFRICA 2196
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220016605
17312376
Correspondence name and address
PARKER HIGHLANDER PLLC
1120 S. CAPITAL OF TEXAS HWY.
BUILDING ONE, SUITE 200
AUSTIN, TX 78746

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