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 : TIETJEN, HOLGER
Total Assignments: 10
Assignment: 1
Reel/Frame:027694/0952   Pages: 7
Recorded: 02/13/2012
Attorney Dkt #:INT0447US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLANZ, MARTIN
Exec Dt:
12/08/2011
2
MEYER, CHRISTOPH
Exec Dt:
12/12/2011
3
KRUSPE, THOMAS
Exec Dt:
12/08/2011
4
TIETJEN, HOLGER
Exec Dt:
12/09/2011
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9121966
US20130134971
13305424
Correspondence name and address
CANTOR COLBURN, LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 2
Reel/Frame:027821/0411   Pages: 3
Recorded: 03/07/2012
Attorney Dkt #:NMR4-51408-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIETJEN, HOLGER
Exec Dt:
02/16/2012
2
HAMDAN, MOUIN
Exec Dt:
02/16/2012
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8912916
US20130207814
13397462
Correspondence name and address
MOSSMAN KUMAR & TYLER PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 3
Reel/Frame:029794/0517   Pages: 4
Recorded: 02/12/2013
Attorney Dkt #:NMR4-52826-US(INT0476US2)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIETJEN, HOLGER
Exec Dt:
02/07/2013
2
HAMDAN, MOUIN
Exec Dt:
02/07/2013
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130214779
13764862
Correspondence name and address
CANTOR COLBURN LLP- BAKER HUGHES INCORPO
20 CHURCH STREET, 22ND FLOOR
HARTFORD, CT 06103
Assignment: 4
Reel/Frame:035722/0515   Pages: 8
Recorded: 05/27/2015
Attorney Dkt #:NMR4-56621-US (INT0616US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLANZ, MARTIN
Exec Dt:
05/04/2015
2
THERN, HOLGER FRANK
Exec Dt:
05/04/2015
3
TIETJEN, HOLGER
Exec Dt:
05/04/2015
4
HAMDAN, MOUIN
Exec Dt:
05/20/2015
5
COMAN, RADU
Exec Dt:
05/04/2015
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10061053
US20160320519
14701008
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 5
Reel/Frame:037897/0545   Pages: 7
Recorded: 03/04/2016
Attorney Dkt #:NMR4-58278USNP/INT0643US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COMAN, RADU
Exec Dt:
10/16/2015
2
TIETJEN, HOLGER
Exec Dt:
09/29/2015
3
BLANZ, MARTIN
Exec Dt:
09/30/2015
4
THERN, HOLGER F.
Exec Dt:
09/29/2015
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10126457
US20170254919
15061636
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET, 22ND FLR.
HARTFORD, CT 06103
Assignment: 6
Reel/Frame:036862/0622   Pages: 7
Recorded: 10/23/2015
Attorney Dkt #:NMR4-58179-US(INT0621US2)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COMAN, RADU
Exec Dt:
10/22/2015
2
TIETJEN, HOLGER
Exec Dt:
10/19/2015
3
THERN, HOLGER F.
Exec Dt:
10/22/2015
4
BLANZ, MARTIN
Exec Dt:
10/21/2015
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10539705
US20160116629
14920436
Correspondence name and address
CANTOR COLBURN, LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 7
Reel/Frame:038614/0846   Pages: 4
Recorded: 05/17/2016
Attorney Dkt #:NMR4-61497-US(INT0696US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COMAN, RADU
Exec Dt:
04/27/2016
2
TIETJEN, HOLGER
Exec Dt:
04/27/2016
Assignee
1
BAKER HUGHES INCORPORATED
P.O BOX 4740
HOUSTON, TEXAS 77210-4740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10302801
US20170315257
15139914
Correspondence name and address
CANTOR COLBURN LLP- BAKER HUGHES INCORPO
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 8
Reel/Frame:038545/0590   Pages: 6
Recorded: 05/11/2016
Attorney Dkt #:NMR4-59718USNP/INT0636US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COMAN, RADU
Exec Dt:
05/10/2016
2
BLANZ, MARTIN
Exec Dt:
05/10/2016
3
TIETJEN, HOLGER
Exec Dt:
05/10/2016
Assignee
1
BAKER HUGHES INCORPORATED
P.O. BOX 4740
HOUSTON, TEXAS 77210-4740
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10551521
US20160334533
15151672
Correspondence name and address
CANTOR COLBURN LLP- BAKER HUGHES INCORPO
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 9
Reel/Frame:054018/0547   Pages: 7
Recorded: 10/09/2020
Attorney Dkt #:MLO464657USNP/INT0805US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOHNKE, OLIVER
Exec Dt:
08/10/2020
2
VATIS, YURI
Exec Dt:
10/06/2020
3
ERRENST, MARTIN
Exec Dt:
10/05/2020
4
TIETJEN, HOLGER
Exec Dt:
06/11/2020
Assignee
1
BAKER HUGHES OILFIELD OPERATIONS LLC
17021 ALDINE WESTFIELD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11649719
US20200392836
16899239
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 10
Reel/Frame:063450/0053   Pages: 7
Recorded: 04/26/2023
Attorney Dkt #:65MLO464657US6/INT0805USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOHNKE, OLIVER
Exec Dt:
08/10/2020
2
VATIS, YURI
Exec Dt:
10/06/2020
3
ERRENST, MARTIN
Exec Dt:
10/05/2020
4
TIETJEN, HOLGER
Exec Dt:
06/11/2020
Assignee
1
BAKER HUGHES OILFIELD OPERATIONS LLC
17021 ALDINE WESTFIELD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230265757
18307190
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103

Search Results as of: 05/24/2024 04:12 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