
Hoang C Dang
Examiner (ID: 12125)
| Most Active Art Unit | 3506 |
| Art Unit(s) | 3672, 3506, 3625, 2731 |
| Total Applications | 3000 |
| Issued Applications | 2548 |
| Pending Applications | 156 |
| Abandoned Applications | 295 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 280788
[patent_doc_number] => 07552783
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-06-30
[patent_title] => 'Graded hardfacing for drill bits'
[patent_app_type] => utility
[patent_app_number] => 11/478363
[patent_app_country] => US
[patent_app_date] => 2006-06-29
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 5831
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[pdf_file] => patents/07/552/07552783.pdf
[firstpage_image] =>[orig_patent_app_number] => 11478363
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/478363 | Graded hardfacing for drill bits | Jun 28, 2006 | Issued |
Array
(
[id] => 273215
[patent_doc_number] => 07559378
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-07-14
[patent_title] => 'Portable and directional electrocrushing drill'
[patent_app_type] => utility
[patent_app_number] => 11/479346
[patent_app_country] => US
[patent_app_date] => 2006-06-29
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/479346 | Portable and directional electrocrushing drill | Jun 28, 2006 | Issued |
Array
(
[id] => 5915166
[patent_doc_number] => 20060237235
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-10-26
[patent_title] => 'Cutting element having enhanced cutting geometry'
[patent_app_type] => utility
[patent_app_number] => 11/475448
[patent_app_country] => US
[patent_app_date] => 2006-06-27
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/475448 | Cutting element having enhanced cutting geometry | Jun 26, 2006 | Issued |
Array
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[patent_doc_number] => 07866397
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[patent_kind] => B2
[patent_issue_date] => 2011-01-11
[patent_title] => 'Activating mechanism for controlling the operation of a downhole tool'
[patent_app_type] => utility
[patent_app_number] => 11/917621
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[patent_app_date] => 2006-06-09
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[pdf_file] => patents/07/866/07866397.pdf
[firstpage_image] =>[orig_patent_app_number] => 11917621
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/917621 | Activating mechanism for controlling the operation of a downhole tool | Jun 8, 2006 | Issued |
Array
(
[id] => 4722939
[patent_doc_number] => 20080202770
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-08-28
[patent_title] => 'Wellbore Bypass Method and Apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/916985
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[firstpage_image] =>[orig_patent_app_number] => 11916985
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/916985 | Wellbore bypass method and apparatus | Jun 7, 2006 | Issued |
Array
(
[id] => 438078
[patent_doc_number] => 07258179
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[patent_kind] => B2
[patent_issue_date] => 2007-08-21
[patent_title] => 'Rotary bit with an indenting member'
[patent_app_type] => utility
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[pdf_file] => patents/07/258/07258179.pdf
[firstpage_image] =>[orig_patent_app_number] => 11421838
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Array
(
[id] => 5697008
[patent_doc_number] => 20060213692
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[patent_issue_date] => 2006-09-28
[patent_title] => 'Hydro-lifter rock bit with PDC inserts'
[patent_app_type] => utility
[patent_app_number] => 11/442520
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[pdf_file] => publications/A1/0213/20060213692.pdf
[firstpage_image] =>[orig_patent_app_number] => 11442520
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/442520 | Hydro-lifter rock bit with PDC inserts | May 25, 2006 | Issued |
Array
(
[id] => 5756854
[patent_doc_number] => 20060207799
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-09-21
[patent_title] => 'Drilling tool for drilling web of channels for hydrocarbon recovery'
[patent_app_type] => utility
[patent_app_number] => 11/441303
[patent_app_country] => US
[patent_app_date] => 2006-05-25
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[firstpage_image] =>[orig_patent_app_number] => 11441303
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/441303 | Drilling tool for drilling web of channels for hydrocarbon recovery | May 24, 2006 | Abandoned |
Array
(
[id] => 5779623
[patent_doc_number] => 20060201718
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-09-14
[patent_title] => 'High-strength/high toughness alloy steel drill bit blank'
[patent_app_type] => utility
[patent_app_number] => 11/435413
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/435413 | High-strength/high toughness alloy steel drill bit blank | May 15, 2006 | Issued |
Array
(
[id] => 5729649
[patent_doc_number] => 20060254763
[patent_country] => US
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[patent_issue_date] => 2006-11-16
[patent_title] => 'Single line control module for well tool actuation'
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[patent_app_number] => 11/430817
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/430817 | Single line control module for well tool actuation | May 8, 2006 | Issued |
Array
(
[id] => 5498577
[patent_doc_number] => 20090159265
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[patent_title] => 'Packer-anchoring device'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/913100 | Packer-anchoring device | May 7, 2006 | Issued |
Array
(
[id] => 417431
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Array
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Array
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[id] => 420813
[patent_doc_number] => 07273109
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/418451 | Puller-thruster downhole tool | May 2, 2006 | Issued |
Array
(
[id] => 287851
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Array
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[patent_title] => 'Multi-lock adapters for independent screwed wellheads and methods of using same'
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Array
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Array
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Array
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