
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] => 7974357
[patent_doc_number] => 08069923
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-12-06
[patent_title] => 'Top suction fluid end'
[patent_app_type] => utility
[patent_app_number] => 12/190411
[patent_app_country] => US
[patent_app_date] => 2008-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 12
[patent_no_of_words] => 6139
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/069/08069923.pdf
[firstpage_image] =>[orig_patent_app_number] => 12190411
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/190411 | Top suction fluid end | Aug 11, 2008 | Issued |
Array
(
[id] => 5460940
[patent_doc_number] => 20090321140
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-12-31
[patent_title] => 'REAMER AND METHODS FOR DIRECTIONAL DRILLING'
[patent_app_type] => utility
[patent_app_number] => 12/187521
[patent_app_country] => US
[patent_app_date] => 2008-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 6834
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0321/20090321140.pdf
[firstpage_image] =>[orig_patent_app_number] => 12187521
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/187521 | Reamer and methods for directional drilling | Aug 6, 2008 | Issued |
Array
(
[id] => 6592974
[patent_doc_number] => 20100032214
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-02-11
[patent_title] => 'Composite Enhanced Metallic Drilling Riser System'
[patent_app_type] => utility
[patent_app_number] => 12/187831
[patent_app_country] => US
[patent_app_date] => 2008-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 2271
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[pdf_file] => publications/A1/0032/20100032214.pdf
[firstpage_image] =>[orig_patent_app_number] => 12187831
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/187831 | Composite enhanced metallic drilling riser system | Aug 6, 2008 | Issued |
Array
(
[id] => 6246084
[patent_doc_number] => 20100025118
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-02-04
[patent_title] => 'APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/184481
[patent_app_country] => US
[patent_app_date] => 2008-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 4428
[patent_no_of_claims] => 61
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[firstpage_image] =>[orig_patent_app_number] => 12184481
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/184481 | APPARATUS | Jul 31, 2008 | Abandoned |
Array
(
[id] => 4550525
[patent_doc_number] => 07845417
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-12-07
[patent_title] => 'Method of circulating while retrieving downhole tool in casing'
[patent_app_type] => utility
[patent_app_number] => 12/184851
[patent_app_country] => US
[patent_app_date] => 2008-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => patents/07/845/07845417.pdf
[firstpage_image] =>[orig_patent_app_number] => 12184851
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/184851 | Method of circulating while retrieving downhole tool in casing | Jul 31, 2008 | Issued |
Array
(
[id] => 4946446
[patent_doc_number] => 20080302572
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-12-11
[patent_title] => 'Drill Bit Porting System'
[patent_app_type] => utility
[patent_app_number] => 12/178467
[patent_app_country] => US
[patent_app_date] => 2008-07-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0302/20080302572.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/178467 | Drill bit porting system | Jul 22, 2008 | Issued |
Array
(
[id] => 4788841
[patent_doc_number] => 20080289814
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-11-27
[patent_title] => 'Solid Expandable Tubular Members Formed From Very Low Carbon Steel and Method'
[patent_app_type] => utility
[patent_app_number] => 12/178485
[patent_app_country] => US
[patent_app_date] => 2008-07-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0289/20080289814.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/178485 | Solid expandable tubular members formed from very low carbon steel and method | Jul 22, 2008 | Issued |
Array
(
[id] => 4593884
[patent_doc_number] => 07980330
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2011-07-19
[patent_title] => 'Well tubular, retrievable joint strainer and method'
[patent_app_type] => utility
[patent_app_number] => 12/220181
[patent_app_country] => US
[patent_app_date] => 2008-07-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => patents/07/980/07980330.pdf
[firstpage_image] =>[orig_patent_app_number] => 12220181
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/220181 | Well tubular, retrievable joint strainer and method | Jul 21, 2008 | Issued |
Array
(
[id] => 4643032
[patent_doc_number] => 08020632
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-09-20
[patent_title] => 'Method and system for wellbore communication'
[patent_app_type] => utility
[patent_app_number] => 12/173707
[patent_app_country] => US
[patent_app_date] => 2008-07-15
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[pdf_file] => patents/08/020/08020632.pdf
[firstpage_image] =>[orig_patent_app_number] => 12173707
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/173707 | Method and system for wellbore communication | Jul 14, 2008 | Issued |
Array
(
[id] => 6457508
[patent_doc_number] => 20100006280
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-01-14
[patent_title] => 'Downhole tool with multiple material retaining ring'
[patent_app_type] => utility
[patent_app_number] => 12/217840
[patent_app_country] => US
[patent_app_date] => 2008-07-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => publications/A1/0006/20100006280.pdf
[firstpage_image] =>[orig_patent_app_number] => 12217840
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/217840 | Downhole tool with multiple material retaining ring | Jul 8, 2008 | Issued |
Array
(
[id] => 5518004
[patent_doc_number] => 20090025985
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-01-29
[patent_title] => 'Cutting element with canted interface surface and bit body incorporating the same'
[patent_app_type] => utility
[patent_app_number] => 12/217706
[patent_app_country] => US
[patent_app_date] => 2008-07-07
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[pdf_file] => publications/A1/0025/20090025985.pdf
[firstpage_image] =>[orig_patent_app_number] => 12217706
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/217706 | Cutting element with canted interface surface and bit body incorporating the same | Jul 6, 2008 | Issued |
Array
(
[id] => 4660343
[patent_doc_number] => 20080251250
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-10-16
[patent_title] => 'Annular Isolators for Expandable Tubulars in Wellbores'
[patent_app_type] => utility
[patent_app_number] => 12/146401
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[patent_app_date] => 2008-06-25
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[pdf_file] => publications/A1/0251/20080251250.pdf
[firstpage_image] =>[orig_patent_app_number] => 12146401
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/146401 | Annular Isolators for Expandable Tubulars in Wellbores | Jun 24, 2008 | Abandoned |
Array
(
[id] => 6427199
[patent_doc_number] => 20100186945
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-07-29
[patent_title] => 'MAGNET FIXING DEVICE IN A CLEANING TOOL'
[patent_app_type] => utility
[patent_app_number] => 12/665801
[patent_app_country] => US
[patent_app_date] => 2008-06-25
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[firstpage_image] =>[orig_patent_app_number] => 12665801
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/665801 | Magnet fixing device in a cleaning tool | Jun 24, 2008 | Issued |
Array
(
[id] => 5287603
[patent_doc_number] => 20090020333
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-01-22
[patent_title] => 'MEASURING THE WEIGHT ON A DRILL BIT DURING DRILLING OPERATIONS USING COHERENT RADIATION'
[patent_app_type] => utility
[patent_app_number] => 12/127663
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[patent_app_date] => 2008-05-27
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[firstpage_image] =>[orig_patent_app_number] => 12127663
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/127663 | Measuring the weight on a drill bit during drilling operations using coherent radiation | May 26, 2008 | Issued |
Array
(
[id] => 347833
[patent_doc_number] => 07493945
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-02-24
[patent_title] => 'Expandable packer with mounted exterior slips and seal'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/098509 | Expandable packer with mounted exterior slips and seal | Apr 6, 2008 | Issued |
Array
(
[id] => 4679306
[patent_doc_number] => 20080245532
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[patent_issue_date] => 2008-10-09
[patent_title] => 'APPARATUS AND METHODS OF MILLING A RESTRICTED CASING SHOE'
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[patent_app_number] => 12/098341
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/098341 | Apparatus and methods of milling a restricted casing shoe | Apr 3, 2008 | Issued |
Array
(
[id] => 4679349
[patent_doc_number] => 20080245575
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[patent_title] => 'Tubular running tool and method of using same'
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Array
(
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/057597 | Drill bit | Mar 27, 2008 | Issued |
Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/053334 | Drill bit assembly for directional drilling | Mar 20, 2008 | Issued |