
Hoang C Dang
Examiner (ID: 4633)
| Most Active Art Unit | 3506 |
| Art Unit(s) | 2731, 3506, 3672, 3625 |
| Total Applications | 3000 |
| Issued Applications | 2548 |
| Pending Applications | 156 |
| Abandoned Applications | 295 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 7400290
[patent_doc_number] => 20040261990
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[patent_kind] => A1
[patent_issue_date] => 2004-12-30
[patent_title] => 'Wellbore system with annular seal member'
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[patent_app_country] => US
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[pdf_file] => publications/A1/0261/20040261990.pdf
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Array
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[patent_issue_date] => 2004-05-25
[patent_title] => 'Cavity positioning tool and method'
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Array
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Array
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[patent_issue_date] => 2003-10-28
[patent_title] => 'Recovery of production fluids from an oil or gas well'
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Array
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[patent_issue_date] => 2003-06-17
[patent_title] => 'Well logging tool'
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Array
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[patent_issue_date] => 2003-05-29
[patent_title] => 'High torque and high capacity rotatable center core and floatable sealed body assemblies with universals ram applications and method'
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Array
(
[id] => 6530841
[patent_doc_number] => 20020162689
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[patent_title] => 'Horizontal directional drilling in wells'
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Array
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Array
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[patent_title] => 'Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation'
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Array
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Array
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Array
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Array
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Array
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Array
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Array
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Array
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| 10/164329 | Creating zonal isolation between the interior and exterior of a well system | Jun 5, 2002 | Abandoned |