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] => 7300245 [patent_doc_number] => 20040112586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-17 [patent_title] => 'Wellhead hydraulic drive unit' [patent_app_type] => new [patent_app_number] => 10/331491 [patent_app_country] => US [patent_app_date] => 2002-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2664 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0112/20040112586.pdf [firstpage_image] =>[orig_patent_app_number] => 10331491 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/331491
Wellhead hydraulic drive unit Dec 30, 2002 Issued
Array ( [id] => 6758306 [patent_doc_number] => 20030121667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-03 [patent_title] => 'Casing hanger annulus monitoring system' [patent_app_type] => new [patent_app_number] => 10/330453 [patent_app_country] => US [patent_app_date] => 2002-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4713 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0121/20030121667.pdf [firstpage_image] =>[orig_patent_app_number] => 10330453 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/330453
Casing hanger annulus monitoring system Dec 26, 2002 Abandoned
Array ( [id] => 1155850 [patent_doc_number] => 06755252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-06-29 [patent_title] => 'Downhole surge pressure reduction and filtering apparatus' [patent_app_type] => B2 [patent_app_number] => 10/324412 [patent_app_country] => US [patent_app_date] => 2002-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 41 [patent_no_of_words] => 7148 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/755/06755252.pdf [firstpage_image] =>[orig_patent_app_number] => 10324412 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/324412
Downhole surge pressure reduction and filtering apparatus Dec 19, 2002 Issued
Array ( [id] => 6654359 [patent_doc_number] => 20030132003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-17 [patent_title] => 'Sealed ESP motor system' [patent_app_type] => new [patent_app_number] => 10/321241 [patent_app_country] => US [patent_app_date] => 2002-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4126 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0132/20030132003.pdf [firstpage_image] =>[orig_patent_app_number] => 10321241 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/321241
Sealed ESP motor system Dec 16, 2002 Issued
Array ( [id] => 984211 [patent_doc_number] => 06923261 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-02 [patent_title] => 'Apparatus and method for expanding a tubular' [patent_app_type] => utility [patent_app_number] => 10/320187 [patent_app_country] => US [patent_app_date] => 2002-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1966 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/923/06923261.pdf [firstpage_image] =>[orig_patent_app_number] => 10320187 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/320187
Apparatus and method for expanding a tubular Dec 15, 2002 Issued
Array ( [id] => 6794218 [patent_doc_number] => 20030173091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-09-18 [patent_title] => 'Interventionless bi-directional barrier' [patent_app_type] => new [patent_app_number] => 10/318781 [patent_app_country] => US [patent_app_date] => 2002-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5569 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0173/20030173091.pdf [firstpage_image] =>[orig_patent_app_number] => 10318781 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/318781
Interventionless bi-directional barrier Dec 12, 2002 Issued
Array ( [id] => 6654470 [patent_doc_number] => 20030132031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-17 [patent_title] => 'Hard rock drilling device and method' [patent_app_type] => new [patent_app_number] => 10/182481 [patent_app_country] => US [patent_app_date] => 2002-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2337 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0132/20030132031.pdf [firstpage_image] =>[orig_patent_app_number] => 10182481 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/182481
Hard rock drilling device and method Dec 10, 2002 Issued
Array ( [id] => 1113590 [patent_doc_number] => 06799645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-10-05 [patent_title] => 'Method and apparatus for drilling and completing a well with an expandable sand control system' [patent_app_type] => B2 [patent_app_number] => 10/314561 [patent_app_country] => US [patent_app_date] => 2002-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1347 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/799/06799645.pdf [firstpage_image] =>[orig_patent_app_number] => 10314561 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/314561
Method and apparatus for drilling and completing a well with an expandable sand control system Dec 9, 2002 Issued
Array ( [id] => 1011604 [patent_doc_number] => 06896076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-24 [patent_title] => 'Rotating drilling head gripper' [patent_app_type] => utility [patent_app_number] => 10/308701 [patent_app_country] => US [patent_app_date] => 2002-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3500 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/896/06896076.pdf [firstpage_image] =>[orig_patent_app_number] => 10308701 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/308701
Rotating drilling head gripper Dec 2, 2002 Issued
Array ( [id] => 6623055 [patent_doc_number] => 20030102131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-05 [patent_title] => 'Mudsaver valve with retrievable inner sleeve' [patent_app_type] => new [patent_app_number] => 10/309381 [patent_app_country] => US [patent_app_date] => 2002-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2314 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0102/20030102131.pdf [firstpage_image] =>[orig_patent_app_number] => 10309381 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/309381
Mudsaver valve with retrievable inner sleeve Dec 1, 2002 Issued
Array ( [id] => 7447232 [patent_doc_number] => 20040099413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-27 [patent_title] => 'Wellbore cleanout tool and method' [patent_app_type] => new [patent_app_number] => 10/306101 [patent_app_country] => US [patent_app_date] => 2002-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1863 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0099/20040099413.pdf [firstpage_image] =>[orig_patent_app_number] => 10306101 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/306101
Wellbore cleanout tool and method Nov 26, 2002 Issued
Array ( [id] => 6867224 [patent_doc_number] => 20030079913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-01 [patent_title] => 'Apparatus and method for drilling and reaming a borehole' [patent_app_type] => new [patent_app_number] => 10/304842 [patent_app_country] => US [patent_app_date] => 2002-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 12362 [patent_no_of_claims] => 66 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0079/20030079913.pdf [firstpage_image] =>[orig_patent_app_number] => 10304842 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/304842
Apparatus and method for drilling and reaming a borehole Nov 25, 2002 Issued
Array ( [id] => 1039047 [patent_doc_number] => 06868911 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-03-22 [patent_title] => 'Methods and apparatus for subterranean fluid separation and removal' [patent_app_type] => utility [patent_app_number] => 10/303581 [patent_app_country] => US [patent_app_date] => 2002-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 14033 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/868/06868911.pdf [firstpage_image] =>[orig_patent_app_number] => 10303581 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/303581
Methods and apparatus for subterranean fluid separation and removal Nov 24, 2002 Issued
Array ( [id] => 6848877 [patent_doc_number] => 20030141079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-31 [patent_title] => 'Expandable packer with anchoring feature' [patent_app_type] => new [patent_app_number] => 10/301229 [patent_app_country] => US [patent_app_date] => 2002-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 7032 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20030141079.pdf [firstpage_image] =>[orig_patent_app_number] => 10301229 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/301229
Expandable packer with anchoring feature Nov 20, 2002 Issued
Array ( [id] => 7447325 [patent_doc_number] => 20040099419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-27 [patent_title] => 'Downhole safety valve for central circulation completion system' [patent_app_type] => new [patent_app_number] => 10/301381 [patent_app_country] => US [patent_app_date] => 2002-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3544 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0099/20040099419.pdf [firstpage_image] =>[orig_patent_app_number] => 10301381 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/301381
Downhole safety valve for central circulation completion system Nov 20, 2002 Issued
Array ( [id] => 507777 [patent_doc_number] => RE039509 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2007-03-13 [patent_title] => 'Top entry sub arrangement' [patent_app_type] => reissue [patent_app_number] => 10/300451 [patent_app_country] => US [patent_app_date] => 2002-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2776 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/039/RE039509.pdf [firstpage_image] =>[orig_patent_app_number] => 10300451 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/300451
Top entry sub arrangement Nov 19, 2002 Issued
Array ( [id] => 1099310 [patent_doc_number] => 06814148 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-11-09 [patent_title] => 'Rotating jack plate assembly' [patent_app_type] => B1 [patent_app_number] => 10/295261 [patent_app_country] => US [patent_app_date] => 2002-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2854 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/814/06814148.pdf [firstpage_image] =>[orig_patent_app_number] => 10295261 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/295261
Rotating jack plate assembly Nov 14, 2002 Issued
Array ( [id] => 1282160 [patent_doc_number] => 06631765 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-14 [patent_title] => 'Hanging liners by pipe expansion' [patent_app_type] => B2 [patent_app_number] => 10/294939 [patent_app_country] => US [patent_app_date] => 2002-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 32 [patent_no_of_words] => 3274 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/631/06631765.pdf [firstpage_image] =>[orig_patent_app_number] => 10294939 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/294939
Hanging liners by pipe expansion Nov 13, 2002 Issued
Array ( [id] => 7351817 [patent_doc_number] => 20040089476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Drill for boring anchor fixing hole' [patent_app_type] => new [patent_app_number] => 10/291691 [patent_app_country] => US [patent_app_date] => 2002-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2351 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0089/20040089476.pdf [firstpage_image] =>[orig_patent_app_number] => 10291691 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/291691
Drill for boring anchor fixing hole Nov 11, 2002 Abandoned
Array ( [id] => 7351821 [patent_doc_number] => 20040089477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Sprung member and actuator for downhole tools' [patent_app_type] => new [patent_app_number] => 10/292301 [patent_app_country] => US [patent_app_date] => 2002-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5065 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0089/20040089477.pdf [firstpage_image] =>[orig_patent_app_number] => 10292301 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/292301
Sprung member and actuator for downhole tools Nov 10, 2002 Issued
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