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] => 7113893 [patent_doc_number] => 20050067193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Pressure reading tool' [patent_app_type] => utility [patent_app_number] => 10/954759 [patent_app_country] => US [patent_app_date] => 2004-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7368 [patent_no_of_claims] => 11 [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/A1/0067/20050067193.pdf [firstpage_image] =>[orig_patent_app_number] => 10954759 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/954759
Method for removing a deposit using pulsed fluid flow Sep 29, 2004 Issued
Array ( [id] => 6969165 [patent_doc_number] => 20050034875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-17 [patent_title] => 'Valves for Use in Wells' [patent_app_type] => utility [patent_app_number] => 10/711654 [patent_app_country] => US [patent_app_date] => 2004-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 5708 [patent_no_of_claims] => 42 [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/A1/0034/20050034875.pdf [firstpage_image] =>[orig_patent_app_number] => 10711654 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/711654
Valves for use in wells Sep 28, 2004 Issued
Array ( [id] => 625608 [patent_doc_number] => 07134504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-14 [patent_title] => 'Expandable packer with anchoring feature' [patent_app_type] => utility [patent_app_number] => 10/944322 [patent_app_country] => US [patent_app_date] => 2004-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 37 [patent_no_of_words] => 3595 [patent_no_of_claims] => 2 [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/07/134/07134504.pdf [firstpage_image] =>[orig_patent_app_number] => 10944322 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/944322
Expandable packer with anchoring feature Sep 16, 2004 Issued
Array ( [id] => 7153118 [patent_doc_number] => 20050082061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-21 [patent_title] => 'Methods and apparatus for completing wells' [patent_app_type] => utility [patent_app_number] => 10/944131 [patent_app_country] => US [patent_app_date] => 2004-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5014 [patent_no_of_claims] => 22 [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/A1/0082/20050082061.pdf [firstpage_image] =>[orig_patent_app_number] => 10944131 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/944131
Methods and apparatus for completing wells Sep 16, 2004 Issued
10/944540 Controlling production Sep 16, 2004 Abandoned
Array ( [id] => 6969153 [patent_doc_number] => 20050034863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-17 [patent_title] => 'Apparatus and method of detecting interfaces between well fluids' [patent_app_type] => utility [patent_app_number] => 10/939924 [patent_app_country] => US [patent_app_date] => 2004-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5056 [patent_no_of_claims] => 20 [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/A1/0034/20050034863.pdf [firstpage_image] =>[orig_patent_app_number] => 10939924 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/939924
Apparatus and method of detecting interfaces between well fluids Sep 12, 2004 Issued
Array ( [id] => 5185479 [patent_doc_number] => 20070163785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-19 [patent_title] => 'Expandable tubular' [patent_app_type] => utility [patent_app_number] => 10/568200 [patent_app_country] => US [patent_app_date] => 2004-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 80 [patent_figures_cnt] => 80 [patent_no_of_words] => 64886 [patent_no_of_claims] => 68 [patent_no_of_ind_claims] => 68 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0163/20070163785.pdf [firstpage_image] =>[orig_patent_app_number] => 10568200 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/568200
Expandable tubular Aug 12, 2004 Abandoned
Array ( [id] => 911208 [patent_doc_number] => 07325618 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-05 [patent_title] => 'Tubing expansion tool' [patent_app_type] => utility [patent_app_number] => 10/913791 [patent_app_country] => US [patent_app_date] => 2004-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4250 [patent_no_of_claims] => 75 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/325/07325618.pdf [firstpage_image] =>[orig_patent_app_number] => 10913791 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/913791
Tubing expansion tool Aug 5, 2004 Issued
Array ( [id] => 7022342 [patent_doc_number] => 20050016736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'Backpressure adapter pin and methods of use' [patent_app_type] => utility [patent_app_number] => 10/912894 [patent_app_country] => US [patent_app_date] => 2004-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4777 [patent_no_of_claims] => 6 [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/A1/0016/20050016736.pdf [firstpage_image] =>[orig_patent_app_number] => 10912894 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/912894
Backpressure adapter pin and methods of use Aug 5, 2004 Issued
Array ( [id] => 463274 [patent_doc_number] => 07234540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-26 [patent_title] => 'Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis' [patent_app_type] => utility [patent_app_number] => 10/911921 [patent_app_country] => US [patent_app_date] => 2004-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 6831 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/234/07234540.pdf [firstpage_image] =>[orig_patent_app_number] => 10911921 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/911921
Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis Aug 4, 2004 Issued
Array ( [id] => 443626 [patent_doc_number] => 07252160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-07 [patent_title] => 'Electromagnetic gap sub assembly' [patent_app_type] => utility [patent_app_number] => 10/903909 [patent_app_country] => US [patent_app_date] => 2004-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4387 [patent_no_of_claims] => 26 [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/07/252/07252160.pdf [firstpage_image] =>[orig_patent_app_number] => 10903909 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/903909
Electromagnetic gap sub assembly Jul 29, 2004 Issued
Array ( [id] => 7196352 [patent_doc_number] => 20050051365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-10 [patent_title] => 'Drill head' [patent_app_type] => utility [patent_app_number] => 10/898881 [patent_app_country] => US [patent_app_date] => 2004-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1401 [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/A1/0051/20050051365.pdf [firstpage_image] =>[orig_patent_app_number] => 10898881 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/898881
Drill head Jul 25, 2004 Issued
Array ( [id] => 7272389 [patent_doc_number] => 20040231840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-11-25 [patent_title] => 'Controlling Transient Pressure Conditions In A Wellbore' [patent_app_type] => new [patent_app_number] => 10/710564 [patent_app_country] => US [patent_app_date] => 2004-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5059 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0231/20040231840.pdf [firstpage_image] =>[orig_patent_app_number] => 10710564 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/710564
Controlling transient pressure conditions in a wellbore Jul 20, 2004 Issued
Array ( [id] => 5737974 [patent_doc_number] => 20060008364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-12 [patent_title] => 'Plunger actuated pumping system' [patent_app_type] => utility [patent_app_number] => 10/886731 [patent_app_country] => US [patent_app_date] => 2004-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3373 [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/A1/0008/20060008364.pdf [firstpage_image] =>[orig_patent_app_number] => 10886731 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/886731
Plunger actuated pumping system Jul 7, 2004 Issued
Array ( [id] => 189685 [patent_doc_number] => 07640993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-05 [patent_title] => 'Method of deploying and powering an electrically driven in a well' [patent_app_type] => utility [patent_app_number] => 10/563855 [patent_app_country] => US [patent_app_date] => 2004-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 36 [patent_no_of_words] => 7315 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/640/07640993.pdf [firstpage_image] =>[orig_patent_app_number] => 10563855 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/563855
Method of deploying and powering an electrically driven in a well Jul 4, 2004 Issued
Array ( [id] => 858441 [patent_doc_number] => 07370701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-13 [patent_title] => 'Wellbore completion design to naturally separate water and solids from oil and gas' [patent_app_type] => utility [patent_app_number] => 10/881223 [patent_app_country] => US [patent_app_date] => 2004-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3610 [patent_no_of_claims] => 66 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/370/07370701.pdf [firstpage_image] =>[orig_patent_app_number] => 10881223 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/881223
Wellbore completion design to naturally separate water and solids from oil and gas Jun 29, 2004 Issued
Array ( [id] => 7400499 [patent_doc_number] => 20040262015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-30 [patent_title] => 'Convertible jack' [patent_app_type] => new [patent_app_number] => 10/878801 [patent_app_country] => US [patent_app_date] => 2004-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4219 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0262/20040262015.pdf [firstpage_image] =>[orig_patent_app_number] => 10878801 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/878801
Convertible jack Jun 27, 2004 Issued
Array ( [id] => 5030993 [patent_doc_number] => 20070095532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-03 [patent_title] => 'Apparatus and method for sealing a wellbore' [patent_app_type] => utility [patent_app_number] => 10/561901 [patent_app_country] => US [patent_app_date] => 2004-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7232 [patent_no_of_claims] => 31 [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/A1/0095/20070095532.pdf [firstpage_image] =>[orig_patent_app_number] => 10561901 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/561901
Apparatus and method for sealing a wellbore Jun 27, 2004 Abandoned
Array ( [id] => 507276 [patent_doc_number] => 07191843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-03-20 [patent_title] => 'Valve apparatus with seal assembly' [patent_app_type] => utility [patent_app_number] => 10/875411 [patent_app_country] => US [patent_app_date] => 2004-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 7145 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/191/07191843.pdf [firstpage_image] =>[orig_patent_app_number] => 10875411 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/875411
Valve apparatus with seal assembly Jun 23, 2004 Issued
Array ( [id] => 7230700 [patent_doc_number] => 20040256105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [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] => new [patent_app_number] => 10/873947 [patent_app_country] => US [patent_app_date] => 2004-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3218 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0256/20040256105.pdf [firstpage_image] =>[orig_patent_app_number] => 10873947 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/873947
Method and apparatus for heating drilling and/or completion fluids entering or leaving a well bore during oil and gas exploration and production Jun 21, 2004 Abandoned
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