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Patent Assignment Assignor Details
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Assignor Name : TANK, KLAUS
Total Assignments: 15
Assignment: 1
Reel/Frame:004363/0055   Pages: 1
Recorded: 01/29/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TANK, KLAUS
Exec Dt:
12/10/1984
2
TOMLINSON, PETER N.
Exec Dt:
12/10/1984
Assignee
1
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY)
45 MAIN ST.
JOHANNESBURG, TRANSVAAL, SOUTH AFRICA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4679858
NONE
06696050
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
200 GARDEN CITY PLAZA
GARDEN CITY, NY 11530-3391
Assignment: 2
Reel/Frame:005407/0404   Pages: 2
Recorded: 08/14/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
TANK, KLAUS
Exec Dt:
08/06/1990
Assignee
1
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
5 MAIN STREET
JOHANNESBURG, TRANSVAAL, SOUTH AFRICA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5161335
NONE
07567135
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
400 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 3
Reel/Frame:006818/0077   Pages: 2
Recorded: 12/28/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAMM, OLIVER F.R.A.
Exec Dt:
11/25/1993
2
TANK, KLAUS
Exec Dt:
11/25/1993
Assignee
1
CSIR
SCIENTIA, MEIRING NAUDE STREET PRETORIA, TRANSVAAL, SOUTH AFRICA
SOUTH AFRICA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5368398
NONE
08142042
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND,
MAIER & NEUSTADT, P.C.
ROBERT F. GNUSE
1755 JEFFERSON DAVIS HWY., 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:012928/0430   Pages: 3
Recorded: 05/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMPBELL, JAMES WILBERT
Exec Dt:
05/05/2002
2
DAVIES, GEOFFREY JOHN
Exec Dt:
05/03/2002
3
CHAPMAN, RAYMOND ALBERT
Exec Dt:
05/03/2002
4
TANK, KLAUS
Exec Dt:
05/03/2002
5
STEWART, AULETTE
Exec Dt:
05/14/2002
6
HEDGES, LESLEY KAY
Exec Dt:
05/21/2002
Assignee
1
ADIA, MOOSA MAHOMED
8 NAGEL STREET
LAKEFIELD BENONI 1501, SOUTH AFRICA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6270548
NONE
09403009
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & ET AL
SAMUEL H. BLECK
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 5
Reel/Frame:043855/0791   Pages: 2
Recorded: 10/13/2017
Attorney Dkt #:PF0408-USW-0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANK, KLAUS
Exec Dt:
06/27/2003
2
ADIA, MOOSA MAHOMED
Exec Dt:
06/27/2003
3
ACHILLIES, ROY DERRICK
Exec Dt:
06/27/2003
4
DANIEL, PAUL MACHAEL
Exec Dt:
06/27/2003
Assignee
1
ELEMENT SIX (PTY) LIMITED
DEBID ROAD, NUFFIELD
SPRINGS, SOUTH AFRICA 1559
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7074247
US20040037948
10399471
Correspondence name and address
ANDREW WHITEHEAD
ELEMENT SIX, FERMI AVENUE, HARWELL CAMPUS
DIDCOT, OX11 0QR UNITED KINGDOM
Assignment: 6
Reel/Frame:043888/0159   Pages: 2
Recorded: 10/18/2017
Attorney Dkt #:PF0462-USW-0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHILLES, ROY DERRICK
Exec Dt:
01/17/2005
2
ROBERTS, BRONWYN ANNETTE
Exec Dt:
01/14/2005
3
PARKER, IMRAAN
Exec Dt:
12/22/2004
4
LANCASTER, BRETT
Exec Dt:
01/17/2005
5
TANK, KLAUS
Exec Dt:
01/14/2005
Assignee
1
ELEMENT SIX (PTY) LIMITED
DEBID ROAD, NUFFIELD
SPRINGS, SOUTH AFRICA 1559
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7575805
US20050139397
11007261
Correspondence name and address
ANDREW WHITEHEAD
ELEMENT SIX, FERMI AVENUE, HARWELL CAMPUS
DIDCOT, OX11 0QR UNITED KINGDOM
Assignment: 7
Reel/Frame:043866/0877   Pages: 2
Recorded: 10/16/2017
Attorney Dkt #:PF0429-USW-0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANK, KLAUS
Exec Dt:
06/02/2005
2
CHAPMAN, RAYMOND ALBERT
Exec Dt:
06/09/2005
3
ACHILLES, ROY DERRICK
Exec Dt:
06/02/2005
Assignee
1
ELEMENT SIX (PTY) LIMITED
DEBID ROAD, NUFFIELD
SPRINGS, SOUTH AFRICA 1559
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7594553
US20060099895
10533269
Correspondence name and address
ANDREW WHITEHEAD
ELEMENT SIX, FERMI AVENUE, HARWELL CAMPUS
DIDCOT, OX11 0QR UNITED KINGDOM
Assignment: 8
Reel/Frame:029298/0495   Pages: 5
Recorded: 11/14/2012
Attorney Dkt #:9970US/9970.1US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANCASTER, BRETT
Exec Dt:
02/03/2006
2
ROBERTS, BRONWYN ANNETTE
Exec Dt:
02/01/2006
3
PARKER, IMRAAN
Exec Dt:
01/30/2006
4
TANK, KLAUS
Exec Dt:
01/30/2006
5
ACHILLES, ROY DERRICK
Exec Dt:
02/03/2006
6
VAN DER RIET, CLEMENT DAVID
Exec Dt:
02/07/2006
Assignee
1
ELEMENT SIX (PTY) LTD
DEBID ROAD
NUFFIELD
SPRINGS, SOUTH AFRICA 1559
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
8020642
US20070181348
10558491
 
8469121
US20110303467
13216796
Correspondence name and address
JOSEPH A. WALKOWSKI
PO BOX 2550
SALT LAKE CITY, UT 84110
Assignment: 9
Reel/Frame:029274/0334   Pages: 6
Recorded: 11/09/2012
Attorney Dkt #:9970US/9971.1US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN DER RIET, CLEMENT DAVID
Exec Dt:
01/26/2006
2
LANCASTER, BRETT
Exec Dt:
04/07/2006
3
ROBERTS, BRONWYN ANNETTE
Exec Dt:
04/07/2006
4
PARKER, IMRAAN
Exec Dt:
01/17/2006
5
TANK, KLAUS
Exec Dt:
04/07/2006
6
ACHILLES, ROY DERRICK
Exec Dt:
04/07/2006
Assignee
1
ELEMENT SIX (PTY) LTD
DEBID ROAD
NUFFIELD, SPRINGS
GAUTENG, SOUTH AFRICA 1559
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
8020642
US20070181348
10558491
 
8469121
US20110303467
13216796
Correspondence name and address
JOSEPH A. WALKOWSKI
PO BOX 2550
SALT LAKE CITY, UT 84110
Assignment: 10
Reel/Frame:043736/0190   Pages: 3
Recorded: 09/29/2017
Attorney Dkt #:PF0500-USW-0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANK, KLAUS
Exec Dt:
07/22/2009
2
ACHILLES, ROY DERRICK
Exec Dt:
07/22/2009
Assignee
1
ELEMENT SIX (PRODUCTION) (PTY) LIMITED
DEBID ROAD, NUFFIELD
SPRINGS, SOUTH AFRICA 1559
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8206474
US20100043302
12375984
Correspondence name and address
ANDREW WHITEHEAD
ELEMENT SIX, FERMI AVENUE, HARWELL CAMPUS
DIDCOT, OX11 0QR UNITED KINGDOM
Assignment: 11
Reel/Frame:027410/0294   Pages: 20
Recorded: 12/19/2011
Attorney Dkt #:10151.1US (SLB4-50869-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STADEN, LOUISE FRANCES
Exec Dt:
12/08/2011
2
SWANEPOEL, GREGORY BRIAN
Exec Dt:
12/08/2011
3
VAN DER RIET, CLEMENT DAVID
Exec Dt:
12/06/2011
4
WAI, SIU-WAH
Exec Dt:
12/08/2011
5
VUKOVIC, DRAGAN
Exec Dt:
12/08/2011
6
TANK, KLAUS
Exec Dt:
12/08/2011
Assignee
1
ELEMENT SIX LIMITED
SHANNON AIRPORT
CO. CLAIRE, IRELAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8834026
US20120080230
13250335
Correspondence name and address
TRASKBRITT, P.C. / BAKER HUGHES, INC. BA
P.O. BOX 2550
SALT LAKE CITY, UT 84110
Assignment: 12
Reel/Frame:030075/0614   Pages: 5
Recorded: 03/25/2013
Attorney Dkt #:58116/864888
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANK, KLAUS
Exec Dt:
05/16/2012
2
VAN STADEN, LOUISE FRANCES
Exec Dt:
05/16/2012
3
WAI, SIU-WAH
Exec Dt:
05/19/2012
Assignee
1
ELEMENT SIX (PRODUCTION)(PTY) LTD
DEBID ROAD
NUFFIELD, SPRINGS, SOUTH AFRICA 1559
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130199693
13814740
Correspondence name and address
JOHN S. PRATT, KILPATRICK STOCKTON LLP
1100 PEACHTREE STREET
SUITE 2800
ATLANTA, GA 30309
Assignment: 13
Reel/Frame:041442/0575   Pages: 6
Recorded: 03/02/2017
Attorney Dkt #:058116-1040524
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANK, KLAUS
Exec Dt:
05/16/2012
2
VAN STADEN, LOUISE FRANCES
Exec Dt:
05/16/2012
3
WAI, SIU-WAH
Exec Dt:
05/19/2012
Assignee
1
ELEMENT SIX (PRODUCTION) (PTY) LTD
1 DEBID ROAD, NUFFIELD
SPRINGS, SOUTH AFRICA 1559
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170167260
15443746
Correspondence name and address
KILPATRICK TOWNSEND & STOCKTON LLP
1100 PEACHTREE STREET
SUITE 2800
ATLANTA, GA 30309
Assignment: 14
Reel/Frame:031077/0857   Pages: 3
Recorded: 08/26/2013
Attorney Dkt #:58116/879073
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STADEN, LOUISE FRANCES
Exec Dt:
11/26/2012
2
TANK, KLAUS
Exec Dt:
11/26/2012
Assignee
1
ELEMENT SIX (PRODUCTION) (PTY) LTD
DEBID ROAD
NUFFIELD, SPRINGS, SOUTH AFRICA 1559
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9605489
US20140007519
13994141
Correspondence name and address
JOHN S. PRATT, KILPATRICK STOCKTON LLP
1100 PEACHTREE STREET
SUITE 2800
ATLANTA, GA 30309
Assignment: 15
Reel/Frame:044209/0987   Pages: 4
Recorded: 10/16/2017
Attorney Dkt #:PF0431-US-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TANK, KLAUS
Exec Dt:
06/26/2017
Assignee
1
ELEMENT SIX (PTY) LIMITED
DEBID ROAD, NUFFIELD
SPRINGS, SOUTH AFRICA 1559
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
US20060249308
10545172
 
8172011
US20080282619
12183091
Correspondence name and address
ANDREW WHITEHEAD
ELEMENT SIX, FERMI AVENUE, HARWELL CAMPUS
DIDCOT, OX11 0QR UNITED KINGDOM

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