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] => 1172861 [patent_doc_number] => 06736213 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-05-18 [patent_title] => 'Method and system for controlling a downhole flow control device using derived feedback control' [patent_app_type] => B2 [patent_app_number] => 10/282801 [patent_app_country] => US [patent_app_date] => 2002-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4557 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/736/06736213.pdf [firstpage_image] =>[orig_patent_app_number] => 10282801 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/282801
Method and system for controlling a downhole flow control device using derived feedback control Oct 28, 2002 Issued
Array ( [id] => 7369186 [patent_doc_number] => 20040079531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-29 [patent_title] => 'Disconnect check valve mechanism for coiled tubing' [patent_app_type] => new [patent_app_number] => 10/281621 [patent_app_country] => US [patent_app_date] => 2002-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4359 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0079/20040079531.pdf [firstpage_image] =>[orig_patent_app_number] => 10281621 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/281621
Disconnect check valve mechanism for coiled tubing Oct 27, 2002 Issued
Array ( [id] => 1197165 [patent_doc_number] => 06722438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-04-20 [patent_title] => 'Method and apparatus for formation damage removal' [patent_app_type] => B2 [patent_app_number] => 10/272010 [patent_app_country] => US [patent_app_date] => 2002-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 23 [patent_no_of_words] => 9683 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/722/06722438.pdf [firstpage_image] =>[orig_patent_app_number] => 10272010 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/272010
Method and apparatus for formation damage removal Oct 16, 2002 Issued
Array ( [id] => 1011601 [patent_doc_number] => 06896075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-24 [patent_title] => 'Apparatus and methods for drilling with casing' [patent_app_type] => utility [patent_app_number] => 10/269661 [patent_app_country] => US [patent_app_date] => 2002-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4096 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/896/06896075.pdf [firstpage_image] =>[orig_patent_app_number] => 10269661 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/269661
Apparatus and methods for drilling with casing Oct 10, 2002 Issued
Array ( [id] => 7119817 [patent_doc_number] => 20050011646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-20 [patent_title] => 'Method and apparatus for collecting and then disposing sand contained in production fluid' [patent_app_type] => utility [patent_app_number] => 10/491881 [patent_app_country] => US [patent_app_date] => 2002-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4158 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0011/20050011646.pdf [firstpage_image] =>[orig_patent_app_number] => 10491881 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/491881
Method and apparatus for collecting and then disposing sand contained in production fluid Oct 10, 2002 Abandoned
Array ( [id] => 1132927 [patent_doc_number] => 06779606 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-08-24 [patent_title] => 'Method and apparatus for heating drilling and/or completion fluids entering or leaving a well bore during oil and gas exploration and production' [patent_app_type] => B1 [patent_app_number] => 10/267461 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3165 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/779/06779606.pdf [firstpage_image] =>[orig_patent_app_number] => 10267461 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/267461
Method and apparatus for heating drilling and/or completion fluids entering or leaving a well bore during oil and gas exploration and production Oct 8, 2002 Issued
Array ( [id] => 7201533 [patent_doc_number] => 20040069485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Downhole sealing tools and method of use' [patent_app_type] => new [patent_app_number] => 10/268531 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7397 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0069/20040069485.pdf [firstpage_image] =>[orig_patent_app_number] => 10268531 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/268531
Downhole sealing tools and method of use Oct 8, 2002 Issued
Array ( [id] => 6680492 [patent_doc_number] => 20030116356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-26 [patent_title] => 'Gripper assembly for downhole tools' [patent_app_type] => new [patent_app_number] => 10/268604 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 14658 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0116/20030116356.pdf [firstpage_image] =>[orig_patent_app_number] => 10268604 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/268604
Gripper assembly for downhole tools Oct 8, 2002 Issued
Array ( [id] => 7430033 [patent_doc_number] => 20040065480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-08 [patent_title] => 'Bore hole underreamer' [patent_app_type] => new [patent_app_number] => 10/264761 [patent_app_country] => US [patent_app_date] => 2002-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4940 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0065/20040065480.pdf [firstpage_image] =>[orig_patent_app_number] => 10264761 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/264761
Bore hole underreamer Oct 3, 2002 Issued
Array ( [id] => 1096018 [patent_doc_number] => 06817429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-16 [patent_title] => 'Roof bit carbide blade' [patent_app_type] => B2 [patent_app_number] => 10/264121 [patent_app_country] => US [patent_app_date] => 2002-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 114 [patent_no_of_words] => 15082 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/817/06817429.pdf [firstpage_image] =>[orig_patent_app_number] => 10264121 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/264121
Roof bit carbide blade Oct 2, 2002 Issued
Array ( [id] => 1089865 [patent_doc_number] => 06823936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-30 [patent_title] => 'Fluid flow control apparatus' [patent_app_type] => B2 [patent_app_number] => 10/240471 [patent_app_country] => US [patent_app_date] => 2002-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1456 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/823/06823936.pdf [firstpage_image] =>[orig_patent_app_number] => 10240471 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/240471
Fluid flow control apparatus Oct 1, 2002 Issued
Array ( [id] => 7408170 [patent_doc_number] => 20040206495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Mitigating risk by using fracture mapping to alter formation fracturing process' [patent_app_type] => new [patent_app_number] => 10/260651 [patent_app_country] => US [patent_app_date] => 2002-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4570 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0206/20040206495.pdf [firstpage_image] =>[orig_patent_app_number] => 10260651 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/260651
Mitigating risk by using fracture mapping to alter formation fracturing process Sep 29, 2002 Issued
Array ( [id] => 7278329 [patent_doc_number] => 20040060706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-01 [patent_title] => 'Expandable connection for use with a swelling elastomer' [patent_app_type] => new [patent_app_number] => 10/255571 [patent_app_country] => US [patent_app_date] => 2002-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3520 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20040060706.pdf [firstpage_image] =>[orig_patent_app_number] => 10255571 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/255571
Expandable connection for use with a swelling elastomer Sep 25, 2002 Issued
Array ( [id] => 7278324 [patent_doc_number] => 20040060701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-01 [patent_title] => 'LATCH MECHANISM GUIDE' [patent_app_type] => new [patent_app_number] => 10/260211 [patent_app_country] => US [patent_app_date] => 2002-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3228 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20040060701.pdf [firstpage_image] =>[orig_patent_app_number] => 10260211 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/260211
Latch mechanism guide Sep 25, 2002 Issued
Array ( [id] => 960540 [patent_doc_number] => 06951252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-10-04 [patent_title] => 'Surface controlled subsurface lateral branch safety valve' [patent_app_type] => utility [patent_app_number] => 10/253671 [patent_app_country] => US [patent_app_date] => 2002-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 7114 [patent_no_of_claims] => 88 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/951/06951252.pdf [firstpage_image] =>[orig_patent_app_number] => 10253671 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/253671
Surface controlled subsurface lateral branch safety valve Sep 23, 2002 Issued
Array ( [id] => 957922 [patent_doc_number] => 06953094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-10-11 [patent_title] => 'Subterranean well completion incorporating downhole-parkable robot therein' [patent_app_type] => utility [patent_app_number] => 10/253061 [patent_app_country] => US [patent_app_date] => 2002-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 21 [patent_no_of_words] => 6367 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/953/06953094.pdf [firstpage_image] =>[orig_patent_app_number] => 10253061 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/253061
Subterranean well completion incorporating downhole-parkable robot therein Sep 23, 2002 Issued
Array ( [id] => 1054770 [patent_doc_number] => 06854522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-02-15 [patent_title] => 'Annular isolators for expandable tubulars in wellbores' [patent_app_type] => utility [patent_app_number] => 10/252621 [patent_app_country] => US [patent_app_date] => 2002-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 45 [patent_no_of_words] => 19440 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/854/06854522.pdf [firstpage_image] =>[orig_patent_app_number] => 10252621 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/252621
Annular isolators for expandable tubulars in wellbores Sep 22, 2002 Issued
Array ( [id] => 1095971 [patent_doc_number] => 06817413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-16 [patent_title] => 'Fracture monitoring using pressure-frequency analysis' [patent_app_type] => B2 [patent_app_number] => 10/251301 [patent_app_country] => US [patent_app_date] => 2002-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 6737 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/817/06817413.pdf [firstpage_image] =>[orig_patent_app_number] => 10251301 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/251301
Fracture monitoring using pressure-frequency analysis Sep 19, 2002 Issued
Array ( [id] => 1095971 [patent_doc_number] => 06817413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-16 [patent_title] => 'Fracture monitoring using pressure-frequency analysis' [patent_app_type] => B2 [patent_app_number] => 10/251301 [patent_app_country] => US [patent_app_date] => 2002-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 6737 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/817/06817413.pdf [firstpage_image] =>[orig_patent_app_number] => 10251301 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/251301
Fracture monitoring using pressure-frequency analysis Sep 19, 2002 Issued
Array ( [id] => 1095971 [patent_doc_number] => 06817413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-16 [patent_title] => 'Fracture monitoring using pressure-frequency analysis' [patent_app_type] => B2 [patent_app_number] => 10/251301 [patent_app_country] => US [patent_app_date] => 2002-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 6737 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/817/06817413.pdf [firstpage_image] =>[orig_patent_app_number] => 10251301 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/251301
Fracture monitoring using pressure-frequency analysis Sep 19, 2002 Issued
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