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] => 519827 [patent_doc_number] => 07178595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-20 [patent_title] => 'Apparatus and method for gravel packing' [patent_app_type] => utility [patent_app_number] => 11/028468 [patent_app_country] => US [patent_app_date] => 2005-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3375 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/178/07178595.pdf [firstpage_image] =>[orig_patent_app_number] => 11028468 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/028468
Apparatus and method for gravel packing Jan 2, 2005 Issued
Array ( [id] => 325506 [patent_doc_number] => 07513305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-07 [patent_title] => 'Apparatus and methods for operating a tool in a wellbore' [patent_app_type] => utility [patent_app_number] => 11/026963 [patent_app_country] => US [patent_app_date] => 2004-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6870 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/513/07513305.pdf [firstpage_image] =>[orig_patent_app_number] => 11026963 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/026963
Apparatus and methods for operating a tool in a wellbore Dec 29, 2004 Issued
Array ( [id] => 6987976 [patent_doc_number] => 20050087346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-28 [patent_title] => 'Screen and Method Having a Partial Screen Wrap' [patent_app_type] => utility [patent_app_number] => 10/905229 [patent_app_country] => US [patent_app_date] => 2004-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4723 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0087/20050087346.pdf [firstpage_image] =>[orig_patent_app_number] => 10905229 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/905229
Screen and method having a partial screen wrap Dec 21, 2004 Issued
Array ( [id] => 7100625 [patent_doc_number] => 20050103528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Horizontal directional drilling in wells' [patent_app_type] => utility [patent_app_number] => 11/020370 [patent_app_country] => US [patent_app_date] => 2004-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4452 [patent_no_of_claims] => 8 [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/A1/0103/20050103528.pdf [firstpage_image] =>[orig_patent_app_number] => 11020370 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/020370
Horizontal directional drilling in wells Dec 21, 2004 Abandoned
Array ( [id] => 7167946 [patent_doc_number] => 20050121234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-09 [patent_title] => 'Drilling machine having rotary tools' [patent_app_type] => utility [patent_app_number] => 10/991651 [patent_app_country] => US [patent_app_date] => 2004-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2115 [patent_no_of_claims] => 9 [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/A1/0121/20050121234.pdf [firstpage_image] =>[orig_patent_app_number] => 10991651 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/991651
Drilling machine having rotary tools Nov 17, 2004 Abandoned
Array ( [id] => 7095202 [patent_doc_number] => 20050127673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-16 [patent_title] => 'Tubing seal' [patent_app_type] => utility [patent_app_number] => 10/990331 [patent_app_country] => US [patent_app_date] => 2004-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5106 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0127/20050127673.pdf [firstpage_image] =>[orig_patent_app_number] => 10990331 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/990331
Tubing seal Nov 15, 2004 Issued
Array ( [id] => 6914924 [patent_doc_number] => 20050092485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-05 [patent_title] => 'Annular isolators for expandable tubulars in wellbores' [patent_app_type] => utility [patent_app_number] => 10/981822 [patent_app_country] => US [patent_app_date] => 2004-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 19469 [patent_no_of_claims] => 38 [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/A1/0092/20050092485.pdf [firstpage_image] =>[orig_patent_app_number] => 10981822 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/981822
Annular isolators for expandable tubulars in wellbores Nov 4, 2004 Issued
Array ( [id] => 5804549 [patent_doc_number] => 20060090901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-05-04 [patent_title] => 'Arm for moving flexible lines at a well site' [patent_app_type] => utility [patent_app_number] => 10/979971 [patent_app_country] => US [patent_app_date] => 2004-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4668 [patent_no_of_claims] => 44 [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/A1/0090/20060090901.pdf [firstpage_image] =>[orig_patent_app_number] => 10979971 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/979971
Arm for moving flexible lines at a well site Nov 2, 2004 Issued
Array ( [id] => 6987967 [patent_doc_number] => 20050087337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-28 [patent_title] => 'Liner hanger with sliding sleeve valve' [patent_app_type] => utility [patent_app_number] => 10/984010 [patent_app_country] => US [patent_app_date] => 2004-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 101 [patent_figures_cnt] => 101 [patent_no_of_words] => 19424 [patent_no_of_claims] => 4 [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/A1/0087/20050087337.pdf [firstpage_image] =>[orig_patent_app_number] => 10984010 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/984010
Liner hanger with sliding sleeve valve Nov 2, 2004 Issued
Array ( [id] => 851557 [patent_doc_number] => 07377340 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-27 [patent_title] => 'Drill bit cutting elements with selectively positioned wear resistant surface' [patent_app_type] => utility [patent_app_number] => 10/977351 [patent_app_country] => US [patent_app_date] => 2004-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 10215 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/377/07377340.pdf [firstpage_image] =>[orig_patent_app_number] => 10977351 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/977351
Drill bit cutting elements with selectively positioned wear resistant surface Oct 28, 2004 Issued
Array ( [id] => 5740814 [patent_doc_number] => 20060086536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-27 [patent_title] => 'ELECTRICAL TRANSMISSION APPARATUS THROUGH ROTATING TUBULAR MEMBERS' [patent_app_type] => utility [patent_app_number] => 10/904171 [patent_app_country] => US [patent_app_date] => 2004-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3957 [patent_no_of_claims] => 23 [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/A1/0086/20060086536.pdf [firstpage_image] =>[orig_patent_app_number] => 10904171 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/904171
Electrical transmission apparatus through rotating tubular members Oct 26, 2004 Issued
Array ( [id] => 368887 [patent_doc_number] => 07475725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-01-13 [patent_title] => 'Wellbore gravel packing apparatus and method' [patent_app_type] => utility [patent_app_number] => 10/576994 [patent_app_country] => US [patent_app_date] => 2004-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 3787 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/475/07475725.pdf [firstpage_image] =>[orig_patent_app_number] => 10576994 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/576994
Wellbore gravel packing apparatus and method Oct 13, 2004 Issued
Array ( [id] => 854910 [patent_doc_number] => 07373994 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-20 [patent_title] => 'Self cleaning coring bit' [patent_app_type] => utility [patent_app_number] => 10/960471 [patent_app_country] => US [patent_app_date] => 2004-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3766 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/373/07373994.pdf [firstpage_image] =>[orig_patent_app_number] => 10960471 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/960471
Self cleaning coring bit Oct 6, 2004 Issued
Array ( [id] => 7238837 [patent_doc_number] => 20050072571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-07 [patent_title] => 'Junk basket and method' [patent_app_type] => utility [patent_app_number] => 10/959291 [patent_app_country] => US [patent_app_date] => 2004-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2648 [patent_no_of_claims] => 22 [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/A1/0072/20050072571.pdf [firstpage_image] =>[orig_patent_app_number] => 10959291 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/959291
Junk basket and method Oct 5, 2004 Issued
Array ( [id] => 783736 [patent_doc_number] => 06988555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-24 [patent_title] => 'Method for installing a water well pump' [patent_app_type] => utility [patent_app_number] => 10/960713 [patent_app_country] => US [patent_app_date] => 2004-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2078 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/988/06988555.pdf [firstpage_image] =>[orig_patent_app_number] => 10960713 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/960713
Method for installing a water well pump Oct 5, 2004 Issued
Array ( [id] => 837248 [patent_doc_number] => 07394064 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-07-01 [patent_title] => 'Measuring the weight on a drill bit during drilling operations using coherent radiation' [patent_app_type] => utility [patent_app_number] => 10/958571 [patent_app_country] => US [patent_app_date] => 2004-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10063 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/394/07394064.pdf [firstpage_image] =>[orig_patent_app_number] => 10958571 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/958571
Measuring the weight on a drill bit during drilling operations using coherent radiation Oct 4, 2004 Issued
Array ( [id] => 5717971 [patent_doc_number] => 20060070743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-06 [patent_title] => 'Surface instrumentation configuration for drilling rig operation' [patent_app_type] => utility [patent_app_number] => 10/958861 [patent_app_country] => US [patent_app_date] => 2004-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4328 [patent_no_of_claims] => 75 [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/A1/0070/20060070743.pdf [firstpage_image] =>[orig_patent_app_number] => 10958861 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/958861
Surface instrumentation configuration for drilling rig operation Oct 4, 2004 Issued
Array ( [id] => 7007790 [patent_doc_number] => 20050061506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-24 [patent_title] => 'Well Treatment System and Method' [patent_app_type] => utility [patent_app_number] => 10/711785 [patent_app_country] => US [patent_app_date] => 2004-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4091 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0061/20050061506.pdf [firstpage_image] =>[orig_patent_app_number] => 10711785 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/711785
Well treatment system and method Oct 4, 2004 Issued
Array ( [id] => 618458 [patent_doc_number] => 07140429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-28 [patent_title] => 'Device for cutting of slot-like key seats in wells by a hydroabrasive method' [patent_app_type] => utility [patent_app_number] => 10/957871 [patent_app_country] => US [patent_app_date] => 2004-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7374 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/140/07140429.pdf [firstpage_image] =>[orig_patent_app_number] => 10957871 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/957871
Device for cutting of slot-like key seats in wells by a hydroabrasive method Oct 3, 2004 Issued
Array ( [id] => 7113866 [patent_doc_number] => 20050067166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Erectable arm assembly for use in boreholes' [patent_app_type] => utility [patent_app_number] => 10/957104 [patent_app_country] => US [patent_app_date] => 2004-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8046 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0067/20050067166.pdf [firstpage_image] =>[orig_patent_app_number] => 10957104 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/957104
Erectable arm assembly for use in boreholes Sep 30, 2004 Issued
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