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] => 280788 [patent_doc_number] => 07552783 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-06-30 [patent_title] => 'Graded hardfacing for drill bits' [patent_app_type] => utility [patent_app_number] => 11/478363 [patent_app_country] => US [patent_app_date] => 2006-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5831 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/552/07552783.pdf [firstpage_image] =>[orig_patent_app_number] => 11478363 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/478363
Graded hardfacing for drill bits Jun 28, 2006 Issued
Array ( [id] => 273215 [patent_doc_number] => 07559378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Portable and directional electrocrushing drill' [patent_app_type] => utility [patent_app_number] => 11/479346 [patent_app_country] => US [patent_app_date] => 2006-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 8096 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/559/07559378.pdf [firstpage_image] =>[orig_patent_app_number] => 11479346 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/479346
Portable and directional electrocrushing drill Jun 28, 2006 Issued
Array ( [id] => 5915166 [patent_doc_number] => 20060237235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-10-26 [patent_title] => 'Cutting element having enhanced cutting geometry' [patent_app_type] => utility [patent_app_number] => 11/475448 [patent_app_country] => US [patent_app_date] => 2006-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3622 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0237/20060237235.pdf [firstpage_image] =>[orig_patent_app_number] => 11475448 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/475448
Cutting element having enhanced cutting geometry Jun 26, 2006 Issued
Array ( [id] => 4468894 [patent_doc_number] => 07866397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-11 [patent_title] => 'Activating mechanism for controlling the operation of a downhole tool' [patent_app_type] => utility [patent_app_number] => 11/917621 [patent_app_country] => US [patent_app_date] => 2006-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 7961 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/866/07866397.pdf [firstpage_image] =>[orig_patent_app_number] => 11917621 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/917621
Activating mechanism for controlling the operation of a downhole tool Jun 8, 2006 Issued
Array ( [id] => 4722939 [patent_doc_number] => 20080202770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-28 [patent_title] => 'Wellbore Bypass Method and Apparatus' [patent_app_type] => utility [patent_app_number] => 11/916985 [patent_app_country] => US [patent_app_date] => 2006-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5718 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0202/20080202770.pdf [firstpage_image] =>[orig_patent_app_number] => 11916985 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/916985
Wellbore bypass method and apparatus Jun 7, 2006 Issued
Array ( [id] => 438078 [patent_doc_number] => 07258179 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-21 [patent_title] => 'Rotary bit with an indenting member' [patent_app_type] => utility [patent_app_number] => 11/421838 [patent_app_country] => US [patent_app_date] => 2006-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 3410 [patent_no_of_claims] => 11 [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/07/258/07258179.pdf [firstpage_image] =>[orig_patent_app_number] => 11421838 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/421838
Rotary bit with an indenting member Jun 1, 2006 Issued
Array ( [id] => 5697008 [patent_doc_number] => 20060213692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-28 [patent_title] => 'Hydro-lifter rock bit with PDC inserts' [patent_app_type] => utility [patent_app_number] => 11/442520 [patent_app_country] => US [patent_app_date] => 2006-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 7804 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0213/20060213692.pdf [firstpage_image] =>[orig_patent_app_number] => 11442520 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/442520
Hydro-lifter rock bit with PDC inserts May 25, 2006 Issued
Array ( [id] => 5756854 [patent_doc_number] => 20060207799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-21 [patent_title] => 'Drilling tool for drilling web of channels for hydrocarbon recovery' [patent_app_type] => utility [patent_app_number] => 11/441303 [patent_app_country] => US [patent_app_date] => 2006-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5867 [patent_no_of_claims] => 20 [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/A1/0207/20060207799.pdf [firstpage_image] =>[orig_patent_app_number] => 11441303 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/441303
Drilling tool for drilling web of channels for hydrocarbon recovery May 24, 2006 Abandoned
Array ( [id] => 5779623 [patent_doc_number] => 20060201718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-14 [patent_title] => 'High-strength/high toughness alloy steel drill bit blank' [patent_app_type] => utility [patent_app_number] => 11/435413 [patent_app_country] => US [patent_app_date] => 2006-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5942 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0201/20060201718.pdf [firstpage_image] =>[orig_patent_app_number] => 11435413 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/435413
High-strength/high toughness alloy steel drill bit blank May 15, 2006 Issued
Array ( [id] => 5729649 [patent_doc_number] => 20060254763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-16 [patent_title] => 'Single line control module for well tool actuation' [patent_app_type] => utility [patent_app_number] => 11/430817 [patent_app_country] => US [patent_app_date] => 2006-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9607 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0254/20060254763.pdf [firstpage_image] =>[orig_patent_app_number] => 11430817 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/430817
Single line control module for well tool actuation May 8, 2006 Issued
Array ( [id] => 5498577 [patent_doc_number] => 20090159265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-25 [patent_title] => 'Packer-anchoring device' [patent_app_type] => utility [patent_app_number] => 11/913100 [patent_app_country] => US [patent_app_date] => 2006-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 888 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20090159265.pdf [firstpage_image] =>[orig_patent_app_number] => 11913100 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/913100
Packer-anchoring device May 7, 2006 Issued
Array ( [id] => 417431 [patent_doc_number] => 07275593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-02 [patent_title] => 'Gripper assembly for downhole tools' [patent_app_type] => utility [patent_app_number] => 11/418449 [patent_app_country] => US [patent_app_date] => 2006-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 14584 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/275/07275593.pdf [firstpage_image] =>[orig_patent_app_number] => 11418449 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/418449
Gripper assembly for downhole tools May 2, 2006 Issued
Array ( [id] => 5779621 [patent_doc_number] => 20060201716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-14 [patent_title] => 'Gripper assembly for downhole tools' [patent_app_type] => utility [patent_app_number] => 11/418438 [patent_app_country] => US [patent_app_date] => 2006-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 14577 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0201/20060201716.pdf [firstpage_image] =>[orig_patent_app_number] => 11418438 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/418438
Gripper assembly for downhole tools May 2, 2006 Issued
Array ( [id] => 420813 [patent_doc_number] => 07273109 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-25 [patent_title] => 'Puller-thruster downhole tool' [patent_app_type] => utility [patent_app_number] => 11/418451 [patent_app_country] => US [patent_app_date] => 2006-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 30 [patent_no_of_words] => 20335 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 598 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/273/07273109.pdf [firstpage_image] =>[orig_patent_app_number] => 11418451 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/418451
Puller-thruster downhole tool May 2, 2006 Issued
Array ( [id] => 287851 [patent_doc_number] => 07546885 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-06-16 [patent_title] => 'Apparatus and method for obtaining downhole samples' [patent_app_type] => utility [patent_app_number] => 11/380031 [patent_app_country] => US [patent_app_date] => 2006-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3211 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/546/07546885.pdf [firstpage_image] =>[orig_patent_app_number] => 11380031 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/380031
Apparatus and method for obtaining downhole samples Apr 24, 2006 Issued
Array ( [id] => 427445 [patent_doc_number] => 07267180 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-11 [patent_title] => 'Multi-lock adapters for independent screwed wellheads and methods of using same' [patent_app_type] => utility [patent_app_number] => 11/411384 [patent_app_country] => US [patent_app_date] => 2006-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6170 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/267/07267180.pdf [firstpage_image] =>[orig_patent_app_number] => 11411384 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/411384
Multi-lock adapters for independent screwed wellheads and methods of using same Apr 24, 2006 Issued
Array ( [id] => 5174581 [patent_doc_number] => 20070175638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-02 [patent_title] => 'Petroleum Extraction from Hydrocarbon Formations' [patent_app_type] => utility [patent_app_number] => 11/279681 [patent_app_country] => US [patent_app_date] => 2006-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 8796 [patent_no_of_claims] => 50 [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/A1/0175/20070175638.pdf [firstpage_image] =>[orig_patent_app_number] => 11279681 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/279681
Petroleum extraction from hydrocarbon formations Apr 12, 2006 Issued
Array ( [id] => 5674997 [patent_doc_number] => 20060180352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-17 [patent_title] => 'Method and device for the drilling of holes in ground or rocky material' [patent_app_type] => utility [patent_app_number] => 11/400311 [patent_app_country] => US [patent_app_date] => 2006-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3979 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0180/20060180352.pdf [firstpage_image] =>[orig_patent_app_number] => 11400311 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/400311
Method and device for the drilling of holes in ground or rocky material Apr 9, 2006 Issued
Array ( [id] => 797386 [patent_doc_number] => 07426968 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-23 [patent_title] => 'Drill bit assembly with a probe' [patent_app_type] => utility [patent_app_number] => 11/278935 [patent_app_country] => US [patent_app_date] => 2006-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 25 [patent_no_of_words] => 5175 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/426/07426968.pdf [firstpage_image] =>[orig_patent_app_number] => 11278935 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/278935
Drill bit assembly with a probe Apr 5, 2006 Issued
Array ( [id] => 5669740 [patent_doc_number] => 20060175093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-10 [patent_title] => 'Method and device for boring holes in soil or rock' [patent_app_type] => utility [patent_app_number] => 11/395291 [patent_app_country] => US [patent_app_date] => 2006-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4593 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0175/20060175093.pdf [firstpage_image] =>[orig_patent_app_number] => 11395291 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/395291
Method and device for boring holes in soil or rock Apr 2, 2006 Issued
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