Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
PETROWELL LIMITED
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Total Assignments:
10
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Assignment:
1
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| Reel/Frame: | 029878/0085 | |
| Pages: | 2 |
| | Recorded: | 02/26/2013 | | |
| Attorney Dkt #: | 51026-P016WOUS |
| Conveyance: | CHANGE OF ADDRESS |
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Assignee
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| WEATHERFORD CENTRE SOUTERHEAD ROAD |
| ALTENS INDUSTRIAL ESTATE |
| ABERDEEN, UNITED KINGDOM AB12 3LF |
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Pat #
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App #
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App #
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Pat #
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Pub #
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App #
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12677660
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NONE
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12739063
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12811108
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12866822
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13131459
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13389630
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Correspondence name and address
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WINSTEAD PC
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P.O. BOX 131851
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DALLAS, TX 75313
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Assignment:
2
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| Reel/Frame: | 036192/0073 | |
| Pages: | 2 |
| | Recorded: | 07/23/2015 | | |
| Attorney Dkt #: | 51026-P037WUSC1 |
| Conveyance: | CHANGE OF ADDRESS |
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Assignee
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| WEATHERFORD CENTRE, SOUTERHEAD ROAD |
| ALTENS INDUSTRIAL ESTATE |
| ABERDEEN, UNITED KINGDOM AB12 3LF |
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App #
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14802402
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Correspondence name and address
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WINSTEAD PC
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P.O. BOX 131851
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DALLAS, TX 75313
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Assignment:
3
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| Reel/Frame: | 029849/0498 | |
| Pages: | 2 |
| | Recorded: | 02/21/2013 | | |
| Attorney Dkt #: | 200346-403527 |
| Conveyance: | CHANGE OF ADDRESS |
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Assignee
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| WEATHERFORD CENTRE SOUTERHEAD ROAD |
| ALTENS INDUSTRIAL ESTATE |
| ABERDEEN, UNITED KINGDOM AG12 3LF |
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Pat #
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11667516
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11794847
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11919962
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12226577
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Correspondence name and address
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ROBERT E. CANNUSCIO
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ONE LOGAN SQUARE
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SUITE 2000
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PHILADELPHIA, PA 19103
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Assignment:
4
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| Reel/Frame: | 041651/0015 | |
| Pages: | 4 |
| | Recorded: | 02/07/2017 | | |
| Attorney Dkt #: | WFT-5609-PCT-US-DV1 |
| Conveyance: | CHANGE OF ADDRESS |
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Assignee
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| WEATHERFORD CENTRE |
| SOUTERHEAD ROAD, ALTENS INDUSTRIAL ESTATE |
| ABERDEEN, UNITED KINGDOM AB12 3LF |
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Pat #
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Pub #
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Intl #
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App #
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15426512
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Correspondence name and address
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SMITH IP SERVICES, P.C.
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P.O. BOX 997
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ROCKWALL, TX 75087
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Assignment:
5
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| Reel/Frame: | 042178/0949 | |
| Pages: | 11 |
| | Recorded: | 04/28/2017 | | |
| Attorney Dkt #: | MURG/W020US |
| Conveyance: | NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 2000 ST. JAMES PLACE |
| HOUSTON, TEXAS 77056 |
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Pat #
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Intl #
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App #
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14435982
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Correspondence name and address
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PATTERSON & SHERIDAN, LLP
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24 GREENWAY PLAZA
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SUITE 1600
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HOUSTON, TX 77046
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Assignment:
6
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| Reel/Frame: | 042334/0367 | |
| Pages: | 41 |
| | Recorded: | 04/26/2017 | | |
| Attorney Dkt #: | 200346-403527 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 2000 ST. JAMES PLACE |
| HOUSTON, TEXAS 77056 |
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Pat #
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Pub #
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Intl #
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App #
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Pat #
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Intl #
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App #
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Pat #
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11667516
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11794847
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11919962
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12226577
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Correspondence name and address
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ROBERT E. CANNUSCIO
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ONE LOGAN SQUARE, STE. 2000
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DRINKER BIDDLE & REATH LLP
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PHILADELPHIA, PA 19103-6996
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Assignment:
7
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| Reel/Frame: | 042425/0705 | |
| Pages: | 41 |
| | Recorded: | 05/09/2017 | | |
| Attorney Dkt #: | 51026-G99999 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 2000 ST. JAMES PLACE |
| HOUSTON, TEXAS 77056 |
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Pat #
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Pub #
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Intl #
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App #
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Pat #
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Pub #
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App #
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Pat #
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Pub #
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12677660
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NONE
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12739063
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12811108
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12866822
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13131459
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13389630
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13903259
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14048796
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14743440
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Correspondence name and address
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WINSTEAD PC
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P.O. BOX 131851
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DALLAS, TX 75313-1851
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Assignment:
8
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| Reel/Frame: | 042447/0001 | |
| Pages: | 41 |
| | Recorded: | 05/11/2017 | | |
| Attorney Dkt #: | 5284-5609-5727-5890-5923 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 2000 ST. JAMES PLACE |
| HOUSTON, TEXAS 77056 |
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Pat #
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Pub #
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Intl #
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App #
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Pat #
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Pub #
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App #
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14308336
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14654106
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14802402
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14896568
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15426512
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NONE
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15505538
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Correspondence name and address
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SMITH IP SERVICES, P.C.
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PO BOX 997
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ROCKWALL, TX 75087
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Assignment:
9
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| Reel/Frame: | 045490/0878 | |
| Pages: | 41 |
| | Recorded: | 03/05/2018 | | |
| Attorney Dkt #: | TTS-18-30V1US |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 2000 ST. JAMES PLACE |
| HOUSTON, TEXAS 77056 |
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Pat #
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15898953
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Correspondence name and address
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SMITH IP SERVICES, P.C.
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P.O. BOX 997
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ROCKWALL, TX 75087
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Assignment:
10
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| Reel/Frame: | 048603/0931 | |
| Pages: | 36 |
| | Recorded: | 03/14/2019 | | |
| Attorney Dkt #: | 205-0635USD2 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 2000 ST JAMES PL |
| HOUSTON, TEXAS 77056 |
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Pat #
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16353295
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Correspondence name and address
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WEATHERFORD/PRECISION C/O BLANK ROME LLP
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717 TEXAS AVENUE, SUITE 1400
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HOUSTON, TX 77002
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Search Results as of:
05/30/2024 08:10 AM
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Web interface last modified:
August 25, 2017 v.2.6
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