
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] => 7285676
[patent_doc_number] => 20040108116
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-06-10
[patent_title] => 'Valves for use in wells'
[patent_app_type] => new
[patent_app_number] => 10/693405
[patent_app_country] => US
[patent_app_date] => 2003-10-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 20
[patent_figures_cnt] => 20
[patent_no_of_words] => 6298
[patent_no_of_claims] => 53
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 39
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0108/20040108116.pdf
[firstpage_image] =>[orig_patent_app_number] => 10693405
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/693405 | Valves for use in wells | Oct 23, 2003 | Issued |
Array
(
[id] => 7153092
[patent_doc_number] => 20050082055
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-04-21
[patent_title] => 'Gripper assembly for downhole tools'
[patent_app_type] => utility
[patent_app_number] => 10/690054
[patent_app_country] => US
[patent_app_date] => 2003-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
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[patent_no_of_words] => 14583
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[pdf_file] => publications/A1/0082/20050082055.pdf
[firstpage_image] =>[orig_patent_app_number] => 10690054
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/690054 | Gripper assembly for downhole tools | Oct 20, 2003 | Issued |
Array
(
[id] => 503046
[patent_doc_number] => 07195082
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-03-27
[patent_title] => 'Drill head steering'
[patent_app_type] => utility
[patent_app_number] => 10/531711
[patent_app_country] => US
[patent_app_date] => 2003-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2526
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[pdf_file] => patents/07/195/07195082.pdf
[firstpage_image] =>[orig_patent_app_number] => 10531711
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/531711 | Drill head steering | Oct 19, 2003 | Issued |
Array
(
[id] => 611665
[patent_doc_number] => 07147057
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-12-12
[patent_title] => 'Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore'
[patent_app_type] => utility
[patent_app_number] => 10/680901
[patent_app_country] => US
[patent_app_date] => 2003-10-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 9027
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[pdf_file] => patents/07/147/07147057.pdf
[firstpage_image] =>[orig_patent_app_number] => 10680901
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/680901 | Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore | Oct 5, 2003 | Issued |
Array
(
[id] => 7417598
[patent_doc_number] => 20040182606
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-09-23
[patent_title] => 'Method and system for predicting performance of a drilling system for a given formation'
[patent_app_type] => new
[patent_app_number] => 10/669105
[patent_app_country] => US
[patent_app_date] => 2003-09-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[pdf_file] => publications/A1/0182/20040182606.pdf
[firstpage_image] =>[orig_patent_app_number] => 10669105
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/669105 | Method and system for predicting performance of a drilling system for a given formation | Sep 22, 2003 | Issued |
Array
(
[id] => 7072115
[patent_doc_number] => 20050145381
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-07-07
[patent_title] => 'ORIENTABLE WHIPSTOCK TOOL AND METHOD'
[patent_app_type] => utility
[patent_app_number] => 10/668731
[patent_app_country] => US
[patent_app_date] => 2003-09-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0145/20050145381.pdf
[firstpage_image] =>[orig_patent_app_number] => 10668731
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/668731 | Orientable whipstock tool and method | Sep 22, 2003 | Issued |
Array
(
[id] => 7447312
[patent_doc_number] => 20040099418
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-05-27
[patent_title] => 'Reservoir communication by creating a local underbalance and using treatment fluid'
[patent_app_type] => new
[patent_app_number] => 10/667011
[patent_app_country] => US
[patent_app_date] => 2003-09-19
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0099/20040099418.pdf
[firstpage_image] =>[orig_patent_app_number] => 10667011
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/667011 | Reservoir communication by creating a local underbalance and using treatment fluid | Sep 18, 2003 | Issued |
Array
(
[id] => 7278328
[patent_doc_number] => 20040060705
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-04-01
[patent_title] => 'Method and apparatus for increasing fluid recovery from a subterranean formation'
[patent_app_type] => new
[patent_app_number] => 10/664784
[patent_app_country] => US
[patent_app_date] => 2003-09-17
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0060/20040060705.pdf
[firstpage_image] =>[orig_patent_app_number] => 10664784
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/664784 | Method and apparatus for increasing fluid recovery from a subterranean formation | Sep 16, 2003 | Abandoned |
Array
(
[id] => 7124674
[patent_doc_number] => 20050056417
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-03-17
[patent_title] => 'Hydraulic setting tool for packers'
[patent_app_type] => utility
[patent_app_number] => 10/661171
[patent_app_country] => US
[patent_app_date] => 2003-09-11
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/661171 | Hydraulic setting tool for packers | Sep 10, 2003 | Issued |
Array
(
[id] => 611662
[patent_doc_number] => 07147054
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-12-12
[patent_title] => 'Gravel packing a well'
[patent_app_type] => utility
[patent_app_number] => 10/654101
[patent_app_country] => US
[patent_app_date] => 2003-09-03
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/147/07147054.pdf
[firstpage_image] =>[orig_patent_app_number] => 10654101
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/654101 | Gravel packing a well | Sep 2, 2003 | Issued |
Array
(
[id] => 650112
[patent_doc_number] => 07111687
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-09-26
[patent_title] => 'Recovery of production fluids from an oil or gas well'
[patent_app_type] => utility
[patent_app_number] => 10/651703
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[patent_app_date] => 2003-08-29
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[pdf_file] => patents/07/111/07111687.pdf
[firstpage_image] =>[orig_patent_app_number] => 10651703
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/651703 | Recovery of production fluids from an oil or gas well | Aug 28, 2003 | Issued |
Array
(
[id] => 688221
[patent_doc_number] => 07073577
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-07-11
[patent_title] => 'Array of wells with connected permeable zones for hydrocarbon recovery'
[patent_app_type] => utility
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[pdf_file] => patents/07/073/07073577.pdf
[firstpage_image] =>[orig_patent_app_number] => 10652351
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/652351 | Array of wells with connected permeable zones for hydrocarbon recovery | Aug 28, 2003 | Issued |
Array
(
[id] => 7079763
[patent_doc_number] => 20050045383
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-03-03
[patent_title] => 'Method, apparatus and system for substantially reducing or eliminating the plugging of downhole sand control screens'
[patent_app_type] => utility
[patent_app_number] => 10/649241
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[firstpage_image] =>[orig_patent_app_number] => 10649241
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/649241 | Method, apparatus and system for substantially reducing or eliminating the plugging of downhole sand control screens | Aug 26, 2003 | Abandoned |
Array
(
[id] => 7377581
[patent_doc_number] => 20040035577
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[patent_title] => 'Downhole flow meter'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/644497 | Downhole flow meter | Aug 19, 2003 | Issued |
Array
(
[id] => 7327548
[patent_doc_number] => 20040129422
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[patent_kind] => A1
[patent_issue_date] => 2004-07-08
[patent_title] => 'Apparatus and method for wellbore isolation'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/604811 | Apparatus and method for wellbore isolation | Aug 18, 2003 | Issued |
Array
(
[id] => 7188977
[patent_doc_number] => 20050039922
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[patent_title] => 'Safety valve having extension spring closure mechanism'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/642801 | Safety valve having extension spring closure mechanism | Aug 17, 2003 | Issued |
Array
(
[id] => 7029859
[patent_doc_number] => 20050028986
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[patent_issue_date] => 2005-02-10
[patent_title] => 'Latch-type tubing protector having C-shaped clamping members, a minimized running profile and a large holding force'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/638281 | Latch-type tubing protector having C-shaped clamping members, a minimized running profile and a large holding force | Aug 7, 2003 | Issued |
Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/636301 | Cutting element having enhanced cutting geometry | Aug 5, 2003 | Issued |
Array
(
[id] => 7435402
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[patent_title] => 'Oil extraction equipment'
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[firstpage_image] =>[orig_patent_app_number] => 10635001
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/635001 | Oil extraction equipment | Aug 5, 2003 | Abandoned |
Array
(
[id] => 7148431
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[patent_title] => 'Non-rotational casing hanger and seal assembly running tool'
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[firstpage_image] =>[orig_patent_app_number] => 10629973
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/629973 | Non-rotational casing hanger and seal assembly running tool | Jul 29, 2003 | Issued |