Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 7143317 [patent_doc_number] => 20040168809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-02 [patent_title] => 'Apparatus and method for installing a branch junction from a main well' [patent_app_type] => new [patent_app_number] => 10/794441 [patent_app_country] => US [patent_app_date] => 2004-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5761 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0168/20040168809.pdf [firstpage_image] =>[orig_patent_app_number] => 10794441 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/794441
Apparatus and method for installing a branch junction from a main well Mar 4, 2004 Issued
Array ( [id] => 507128 [patent_doc_number] => 07191830 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-03-20 [patent_title] => 'Annular pressure relief collar' [patent_app_type] => utility [patent_app_number] => 10/789631 [patent_app_country] => US [patent_app_date] => 2004-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 6750 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/191/07191830.pdf [firstpage_image] =>[orig_patent_app_number] => 10789631 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/789631
Annular pressure relief collar Feb 26, 2004 Issued
Array ( [id] => 942875 [patent_doc_number] => 06966373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-11-22 [patent_title] => 'Inflatable sealing assembly and method for sealing off an inside of a flow carrier' [patent_app_type] => utility [patent_app_number] => 10/789151 [patent_app_country] => US [patent_app_date] => 2004-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6992 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/966/06966373.pdf [firstpage_image] =>[orig_patent_app_number] => 10789151 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/789151
Inflatable sealing assembly and method for sealing off an inside of a flow carrier Feb 26, 2004 Issued
Array ( [id] => 962751 [patent_doc_number] => 06948560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-09-27 [patent_title] => 'Jar for use in a downhole toolstring' [patent_app_type] => utility [patent_app_number] => 10/785081 [patent_app_country] => US [patent_app_date] => 2004-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5321 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/948/06948560.pdf [firstpage_image] =>[orig_patent_app_number] => 10785081 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/785081
Jar for use in a downhole toolstring Feb 24, 2004 Issued
Array ( [id] => 7146238 [patent_doc_number] => 20050023003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-03 [patent_title] => 'Annular isolators for tubulars in wellbores' [patent_app_type] => utility [patent_app_number] => 10/778465 [patent_app_country] => US [patent_app_date] => 2004-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 27526 [patent_no_of_claims] => 82 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20050023003.pdf [firstpage_image] =>[orig_patent_app_number] => 10778465 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/778465
Annular isolators for tubulars in wellbores Feb 12, 2004 Issued
Array ( [id] => 942892 [patent_doc_number] => 06966377 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-11-22 [patent_title] => 'Providing a low pressure condition in a wellbore region' [patent_app_type] => utility [patent_app_number] => 10/776997 [patent_app_country] => US [patent_app_date] => 2004-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 7508 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/966/06966377.pdf [firstpage_image] =>[orig_patent_app_number] => 10776997 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/776997
Providing a low pressure condition in a wellbore region Feb 10, 2004 Issued
Array ( [id] => 376050 [patent_doc_number] => 07311148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-25 [patent_title] => 'Methods and apparatus for wellbore construction and completion' [patent_app_type] => utility [patent_app_number] => 10/775048 [patent_app_country] => US [patent_app_date] => 2004-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 74 [patent_figures_cnt] => 80 [patent_no_of_words] => 41112 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/311/07311148.pdf [firstpage_image] =>[orig_patent_app_number] => 10775048 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/775048
Methods and apparatus for wellbore construction and completion Feb 8, 2004 Issued
Array ( [id] => 565620 [patent_doc_number] => 07451837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-18 [patent_title] => 'Advanced expandable reaming tool' [patent_app_type] => utility [patent_app_number] => 10/774134 [patent_app_country] => US [patent_app_date] => 2004-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5893 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/451/07451837.pdf [firstpage_image] =>[orig_patent_app_number] => 10774134 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/774134
Advanced expandable reaming tool Feb 5, 2004 Issued
Array ( [id] => 1026139 [patent_doc_number] => 06880650 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-19 [patent_title] => 'Advanced expandable reaming tool' [patent_app_type] => utility [patent_app_number] => 10/773502 [patent_app_country] => US [patent_app_date] => 2004-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5909 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/880/06880650.pdf [firstpage_image] =>[orig_patent_app_number] => 10773502 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/773502
Advanced expandable reaming tool Feb 5, 2004 Issued
Array ( [id] => 704200 [patent_doc_number] => 07059417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-13 [patent_title] => 'Puller-thruster downhole tool' [patent_app_type] => utility [patent_app_number] => 10/768434 [patent_app_country] => US [patent_app_date] => 2004-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 30 [patent_no_of_words] => 20314 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/059/07059417.pdf [firstpage_image] =>[orig_patent_app_number] => 10768434 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/768434
Puller-thruster downhole tool Jan 29, 2004 Issued
Array ( [id] => 491667 [patent_doc_number] => 07207395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-24 [patent_title] => 'Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement' [patent_app_type] => utility [patent_app_number] => 10/769221 [patent_app_country] => US [patent_app_date] => 2004-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5737 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/207/07207395.pdf [firstpage_image] =>[orig_patent_app_number] => 10769221 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/769221
Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement Jan 29, 2004 Issued
Array ( [id] => 970482 [patent_doc_number] => 06935422 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-30 [patent_title] => 'Expanding wellbore junction' [patent_app_type] => utility [patent_app_number] => 10/765757 [patent_app_country] => US [patent_app_date] => 2004-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5685 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/935/06935422.pdf [firstpage_image] =>[orig_patent_app_number] => 10765757 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/765757
Expanding wellbore junction Jan 26, 2004 Issued
Array ( [id] => 463224 [patent_doc_number] => 07234526 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-26 [patent_title] => 'Method of forming a sealed wellbore intersection' [patent_app_type] => utility [patent_app_number] => 10/765627 [patent_app_country] => US [patent_app_date] => 2004-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5677 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/234/07234526.pdf [firstpage_image] =>[orig_patent_app_number] => 10765627 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/765627
Method of forming a sealed wellbore intersection Jan 26, 2004 Issued
Array ( [id] => 992638 [patent_doc_number] => 06915855 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-12 [patent_title] => 'Wellbore junction drifting apparatus and associated method' [patent_app_type] => utility [patent_app_number] => 10/765335 [patent_app_country] => US [patent_app_date] => 2004-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5685 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/915/06915855.pdf [firstpage_image] =>[orig_patent_app_number] => 10765335 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/765335
Wellbore junction drifting apparatus and associated method Jan 26, 2004 Issued
Array ( [id] => 7216915 [patent_doc_number] => 20040154834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-12 [patent_title] => 'Method and apparatus for removing fluids from drill cuttings' [patent_app_type] => new [patent_app_number] => 10/764714 [patent_app_country] => US [patent_app_date] => 2004-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7745 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0154/20040154834.pdf [firstpage_image] =>[orig_patent_app_number] => 10764714 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/764714
Method and apparatus for removing fluids from drill cuttings Jan 25, 2004 Issued
Array ( [id] => 789783 [patent_doc_number] => 06983802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-10 [patent_title] => 'Methods and apparatus for enhancing production from a hydrocarbons-producing well' [patent_app_type] => utility [patent_app_number] => 10/758991 [patent_app_country] => US [patent_app_date] => 2004-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3360 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/983/06983802.pdf [firstpage_image] =>[orig_patent_app_number] => 10758991 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/758991
Methods and apparatus for enhancing production from a hydrocarbons-producing well Jan 19, 2004 Issued
Array ( [id] => 704225 [patent_doc_number] => 07059428 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-13 [patent_title] => 'Monitoring a reservoir in casing drilling operations using a modified tubular' [patent_app_type] => utility [patent_app_number] => 10/761045 [patent_app_country] => US [patent_app_date] => 2004-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 43 [patent_no_of_words] => 12496 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/059/07059428.pdf [firstpage_image] =>[orig_patent_app_number] => 10761045 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/761045
Monitoring a reservoir in casing drilling operations using a modified tubular Jan 19, 2004 Issued
Array ( [id] => 7230735 [patent_doc_number] => 20040256110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [patent_title] => 'Top drive well casing system and method' [patent_app_type] => new [patent_app_number] => 10/758975 [patent_app_country] => US [patent_app_date] => 2004-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4406 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 3 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0256/20040256110.pdf [firstpage_image] =>[orig_patent_app_number] => 10758975 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/758975
Top drive well casing system Jan 15, 2004 Issued
Array ( [id] => 699653 [patent_doc_number] => 07063141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-20 [patent_title] => 'Apparatus for agitated fluid discharge' [patent_app_type] => utility [patent_app_number] => 10/755930 [patent_app_country] => US [patent_app_date] => 2004-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 7382 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/063/07063141.pdf [firstpage_image] =>[orig_patent_app_number] => 10755930 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/755930
Apparatus for agitated fluid discharge Jan 12, 2004 Issued
Array ( [id] => 8256206 [patent_doc_number] => 08205680 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-26 [patent_title] => 'Expandable connection' [patent_app_type] => utility [patent_app_number] => 10/597132 [patent_app_country] => US [patent_app_date] => 2004-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 18965 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 10597132 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/597132
Expandable connection Jan 11, 2004 Issued
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