
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] => 862424
[patent_doc_number] => 07367390
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-05-06
[patent_title] => 'Slip energized by longitudinal shrinkage'
[patent_app_type] => utility
[patent_app_number] => 11/392205
[patent_app_country] => US
[patent_app_date] => 2006-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 3024
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 96
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/367/07367390.pdf
[firstpage_image] =>[orig_patent_app_number] => 11392205
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/392205 | Slip energized by longitudinal shrinkage | Mar 28, 2006 | Issued |
Array
(
[id] => 5092457
[patent_doc_number] => 20070114066
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-24
[patent_title] => 'A Drill Bit Assembly Adapted to Provide Power Downhole'
[patent_app_type] => utility
[patent_app_number] => 11/277380
[patent_app_country] => US
[patent_app_date] => 2006-03-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 3847
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[pdf_file] => publications/A1/0114/20070114066.pdf
[firstpage_image] =>[orig_patent_app_number] => 11277380
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/277380 | Drill bit assembly adapted to provide power downhole | Mar 23, 2006 | Issued |
Array
(
[id] => 829083
[patent_doc_number] => 07398837
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-07-15
[patent_title] => 'Drill bit assembly with a logging device'
[patent_app_type] => utility
[patent_app_number] => 11/277394
[patent_app_country] => US
[patent_app_date] => 2006-03-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 16
[patent_no_of_words] => 5379
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[pdf_file] => patents/07/398/07398837.pdf
[firstpage_image] =>[orig_patent_app_number] => 11277394
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/277394 | Drill bit assembly with a logging device | Mar 23, 2006 | Issued |
Array
(
[id] => 5779575
[patent_doc_number] => 20060201670
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-09-14
[patent_title] => 'Downhole apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/374905
[patent_app_country] => US
[patent_app_date] => 2006-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 8730
[patent_no_of_claims] => 42
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[pdf_file] => publications/A1/0201/20060201670.pdf
[firstpage_image] =>[orig_patent_app_number] => 11374905
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/374905 | Downhole apparatus | Mar 13, 2006 | Abandoned |
Array
(
[id] => 329154
[patent_doc_number] => 07510015
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-03-31
[patent_title] => 'Packers and methods of use'
[patent_app_type] => utility
[patent_app_number] => 11/361531
[patent_app_country] => US
[patent_app_date] => 2006-02-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/510/07510015.pdf
[firstpage_image] =>[orig_patent_app_number] => 11361531
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/361531 | Packers and methods of use | Feb 22, 2006 | Issued |
Array
(
[id] => 605300
[patent_doc_number] => 07152689
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-12-26
[patent_title] => 'System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing'
[patent_app_type] => utility
[patent_app_number] => 11/307788
[patent_app_country] => US
[patent_app_date] => 2006-02-22
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/152/07152689.pdf
[firstpage_image] =>[orig_patent_app_number] => 11307788
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/307788 | System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing | Feb 21, 2006 | Issued |
Array
(
[id] => 5652174
[patent_doc_number] => 20060137909
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-06-29
[patent_title] => 'Portable electrocrushing drill'
[patent_app_type] => utility
[patent_app_number] => 11/360118
[patent_app_country] => US
[patent_app_date] => 2006-02-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[pdf_file] => publications/A1/0137/20060137909.pdf
[firstpage_image] =>[orig_patent_app_number] => 11360118
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/360118 | Portable electrocrushing drill | Feb 21, 2006 | Issued |
Array
(
[id] => 572944
[patent_doc_number] => 07441606
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-10-28
[patent_title] => 'Expandable fluted liner hanger and packer system'
[patent_app_type] => utility
[patent_app_number] => 11/343681
[patent_app_country] => US
[patent_app_date] => 2006-01-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 20
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[patent_no_of_words] => 8001
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/441/07441606.pdf
[firstpage_image] =>[orig_patent_app_number] => 11343681
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/343681 | Expandable fluted liner hanger and packer system | Jan 30, 2006 | Issued |
Array
(
[id] => 838846
[patent_doc_number] => 07389828
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-06-24
[patent_title] => 'Apparatus and method for mechanical caliper measurements during drilling and logging-while-drilling operations'
[patent_app_type] => utility
[patent_app_number] => 11/344291
[patent_app_country] => US
[patent_app_date] => 2006-01-31
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/389/07389828.pdf
[firstpage_image] =>[orig_patent_app_number] => 11344291
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/344291 | Apparatus and method for mechanical caliper measurements during drilling and logging-while-drilling operations | Jan 30, 2006 | Issued |
Array
(
[id] => 5144901
[patent_doc_number] => 20070044955
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-03-01
[patent_title] => 'Drilling rig floor drainage system'
[patent_app_type] => utility
[patent_app_number] => 11/338291
[patent_app_country] => US
[patent_app_date] => 2006-01-24
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0044/20070044955.pdf
[firstpage_image] =>[orig_patent_app_number] => 11338291
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/338291 | Drilling rig floor drainage system | Jan 23, 2006 | Abandoned |
Array
(
[id] => 5092459
[patent_doc_number] => 20070114068
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-24
[patent_title] => 'Drill Bit Assembly for Directional Drilling'
[patent_app_type] => utility
[patent_app_number] => 11/306976
[patent_app_country] => US
[patent_app_date] => 2006-01-18
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/306976 | Drill bit assembly for directional drilling | Jan 17, 2006 | Issued |
Array
(
[id] => 5669703
[patent_doc_number] => 20060175056
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-08-10
[patent_title] => 'Instrumented Packer'
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[firstpage_image] =>[orig_patent_app_number] => 11332501
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/332501 | Instrumented packer | Jan 12, 2006 | Issued |
Array
(
[id] => 5185468
[patent_doc_number] => 20070163774
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-07-19
[patent_title] => 'Flow Control System for Use in a Well'
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[firstpage_image] =>[orig_patent_app_number] => 11306881
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/306881 | Flow control system for use in a well | Jan 12, 2006 | Issued |
Array
(
[id] => 542164
[patent_doc_number] => 07156181
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-01-02
[patent_title] => 'Puller-thruster downhole tool'
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[patent_app_number] => 11/329781
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[pdf_file] => patents/07/156/07156181.pdf
[firstpage_image] =>[orig_patent_app_number] => 11329781
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/329781 | Puller-thruster downhole tool | Jan 9, 2006 | Issued |
Array
(
[id] => 815652
[patent_doc_number] => 07409998
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-08-12
[patent_title] => 'Critical velocity reduction in a gas well'
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[pdf_file] => patents/07/409/07409998.pdf
[firstpage_image] =>[orig_patent_app_number] => 11330361
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/330361 | Critical velocity reduction in a gas well | Jan 9, 2006 | Issued |
Array
(
[id] => 5652177
[patent_doc_number] => 20060137912
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-06-29
[patent_title] => 'Method and apparatus for horizontal drilling and oil recovery'
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[pdf_file] => publications/A1/0137/20060137912.pdf
[firstpage_image] =>[orig_patent_app_number] => 11319112
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/319112 | Method and apparatus for horizontal drilling and oil recovery | Dec 26, 2005 | Abandoned |
Array
(
[id] => 5804554
[patent_doc_number] => 20060090906
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[patent_kind] => A1
[patent_issue_date] => 2006-05-04
[patent_title] => 'Apparatus and method for wellbore isolation'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/315494 | Apparatus and method for wellbore isolation | Dec 22, 2005 | Issued |
Array
(
[id] => 5092458
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[patent_title] => 'Drill Bit Assembly with an Indenting Member'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/306307 | Drill bit assembly with an indenting member | Dec 21, 2005 | Issued |
Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/306022 | Hydraulic drill bit assembly | Dec 13, 2005 | Issued |
Array
(
[id] => 376054
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[patent_title] => 'Gas operated pump for hydrocarbon wells'
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[pdf_file] => patents/07/311/07311152.pdf
[firstpage_image] =>[orig_patent_app_number] => 11302482
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/302482 | Gas operated pump for hydrocarbon wells | Dec 12, 2005 | Issued |