Search

Hoang C Dang

Examiner (ID: 4633)

Most Active Art Unit
3506
Art Unit(s)
2731, 3506, 3672, 3625
Total Applications
3000
Issued Applications
2548
Pending Applications
156
Abandoned Applications
295

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1295830 [patent_doc_number] => 06619402 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-16 [patent_title] => 'System for enhancing fluid flow in a well' [patent_app_type] => B1 [patent_app_number] => 10/088151 [patent_app_country] => US [patent_app_date] => 2002-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1833 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/619/06619402.pdf [firstpage_image] =>[orig_patent_app_number] => 10088151 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/088151
System for enhancing fluid flow in a well Mar 12, 2002 Issued
Array ( [id] => 1245698 [patent_doc_number] => 06672392 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-01-06 [patent_title] => 'Gas recovery apparatus, method and cycle having a three chamber evacuation phase for improved natural gas production and down-hole liquid management' [patent_app_type] => B2 [patent_app_number] => 10/096881 [patent_app_country] => US [patent_app_date] => 2002-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 9247 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/672/06672392.pdf [firstpage_image] =>[orig_patent_app_number] => 10096881 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/096881
Gas recovery apparatus, method and cycle having a three chamber evacuation phase for improved natural gas production and down-hole liquid management Mar 11, 2002 Issued
Array ( [id] => 1165112 [patent_doc_number] => 06745815 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-06-08 [patent_title] => 'Method and apparatus for producing an oil, water, and/or gas well' [patent_app_type] => B1 [patent_app_number] => 10/097234 [patent_app_country] => US [patent_app_date] => 2002-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 31 [patent_no_of_words] => 6301 [patent_no_of_claims] => 72 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/745/06745815.pdf [firstpage_image] =>[orig_patent_app_number] => 10097234 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/097234
Method and apparatus for producing an oil, water, and/or gas well Mar 11, 2002 Issued
Array ( [id] => 6075043 [patent_doc_number] => 20020079101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-27 [patent_title] => 'Hanging liners by pipe expansion' [patent_app_type] => new [patent_app_number] => 10/087138 [patent_app_country] => US [patent_app_date] => 2002-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3268 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0079/20020079101.pdf [firstpage_image] =>[orig_patent_app_number] => 10087138 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/087138
Hanging liners by pipe expansion Feb 28, 2002 Issued
Array ( [id] => 704237 [patent_doc_number] => 07059430 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-13 [patent_title] => 'Hydro-lifter rock bit with PDC inserts' [patent_app_type] => utility [patent_app_number] => 10/081275 [patent_app_country] => US [patent_app_date] => 2002-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 25 [patent_no_of_words] => 7767 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/059/07059430.pdf [firstpage_image] =>[orig_patent_app_number] => 10081275 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/081275
Hydro-lifter rock bit with PDC inserts Feb 20, 2002 Issued
Array ( [id] => 6298989 [patent_doc_number] => 20020092649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-07-18 [patent_title] => 'Screen and method having a partial screen wrap' [patent_app_type] => new [patent_app_number] => 10/079670 [patent_app_country] => US [patent_app_date] => 2002-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4750 [patent_no_of_claims] => 64 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0092/20020092649.pdf [firstpage_image] =>[orig_patent_app_number] => 10079670 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/079670
Screen and method having a partial screen wrap Feb 19, 2002 Issued
Array ( [id] => 781080 [patent_doc_number] => 06991049 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-31 [patent_title] => 'Cutting element' [patent_app_type] => utility [patent_app_number] => 10/079293 [patent_app_country] => US [patent_app_date] => 2002-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 34 [patent_no_of_words] => 3630 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/991/06991049.pdf [firstpage_image] =>[orig_patent_app_number] => 10079293 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/079293
Cutting element Feb 19, 2002 Issued
Array ( [id] => 6815697 [patent_doc_number] => 20030066655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-10 [patent_title] => ' Apparatus for coupling a tubular member to a preexisting structure' [patent_app_type] => new [patent_app_number] => 10/078921 [patent_app_country] => US [patent_app_date] => 2002-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 80 [patent_figures_cnt] => 80 [patent_no_of_words] => 32638 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0066/20030066655.pdf [firstpage_image] =>[orig_patent_app_number] => 10078921 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/078921
Apparatus for coupling a tubular member to a preexisting structure Feb 19, 2002 Issued
Array ( [id] => 6737785 [patent_doc_number] => 20030155153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-21 [patent_title] => 'Pressure reading tool' [patent_app_type] => new [patent_app_number] => 10/078121 [patent_app_country] => US [patent_app_date] => 2002-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7406 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0155/20030155153.pdf [firstpage_image] =>[orig_patent_app_number] => 10078121 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/078121
Pressure reading tool Feb 18, 2002 Issued
Array ( [id] => 6362846 [patent_doc_number] => 20020117305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-29 [patent_title] => 'Cuttings injection and annulus remediation systems for wellheads' [patent_app_type] => new [patent_app_number] => 10/077231 [patent_app_country] => US [patent_app_date] => 2002-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2247 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0117/20020117305.pdf [firstpage_image] =>[orig_patent_app_number] => 10077231 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/077231
Cuttings injection and annulus remediation systems for wellheads Feb 14, 2002 Abandoned
Array ( [id] => 6703882 [patent_doc_number] => 20030150616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-14 [patent_title] => 'DRILLING FLUID SCREEN AND METHOD' [patent_app_type] => new [patent_app_number] => 10/076921 [patent_app_country] => US [patent_app_date] => 2002-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4347 [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/A1/0150/20030150616.pdf [firstpage_image] =>[orig_patent_app_number] => 10076921 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/076921
Drilling fluid screen and method Feb 13, 2002 Issued
Array ( [id] => 1216794 [patent_doc_number] => 06702025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-03-09 [patent_title] => 'Hydraulic control assembly for actuating a hydraulically controllable downhole device and method for use of same' [patent_app_type] => B2 [patent_app_number] => 10/073621 [patent_app_country] => US [patent_app_date] => 2002-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4316 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/702/06702025.pdf [firstpage_image] =>[orig_patent_app_number] => 10073621 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/073621
Hydraulic control assembly for actuating a hydraulically controllable downhole device and method for use of same Feb 10, 2002 Issued
Array ( [id] => 7327536 [patent_doc_number] => 20040129415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-08 [patent_title] => 'Well perforating device' [patent_app_type] => new [patent_app_number] => 10/467231 [patent_app_country] => US [patent_app_date] => 2003-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6419 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0129/20040129415.pdf [firstpage_image] =>[orig_patent_app_number] => 10467231 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/467231
High-energy combined well perforating device Feb 5, 2002 Issued
Array ( [id] => 6785349 [patent_doc_number] => 20030136588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-24 [patent_title] => 'Roller cone drill bit having designed walk characteristics' [patent_app_type] => new [patent_app_number] => 10/057771 [patent_app_country] => US [patent_app_date] => 2002-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2946 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0136/20030136588.pdf [firstpage_image] =>[orig_patent_app_number] => 10057771 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/057771
Roller cone drill bit having designed walk characteristics Jan 23, 2002 Abandoned
Array ( [id] => 753421 [patent_doc_number] => 07013994 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-21 [patent_title] => 'Directional drilling apparatus' [patent_app_type] => utility [patent_app_number] => 10/470031 [patent_app_country] => US [patent_app_date] => 2002-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6159 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/013/07013994.pdf [firstpage_image] =>[orig_patent_app_number] => 10470031 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/470031
Directional drilling apparatus Jan 22, 2002 Issued
Array ( [id] => 7278357 [patent_doc_number] => 20040060734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-01 [patent_title] => 'Oil well perforator' [patent_app_type] => new [patent_app_number] => 10/250781 [patent_app_country] => US [patent_app_date] => 2003-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2504 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20040060734.pdf [firstpage_image] =>[orig_patent_app_number] => 10250781 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/250781
Oil well perforator Jan 22, 2002 Issued
Array ( [id] => 6785345 [patent_doc_number] => 20030136584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-24 [patent_title] => 'Method and apparatus for removing fluids from drill cuttings' [patent_app_type] => new [patent_app_number] => 10/055561 [patent_app_country] => US [patent_app_date] => 2002-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5939 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0136/20030136584.pdf [firstpage_image] =>[orig_patent_app_number] => 10055561 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/055561
Method and apparatus for removing fluids from drill cuttings Jan 22, 2002 Issued
Array ( [id] => 1093127 [patent_doc_number] => 06820691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-23 [patent_title] => 'Cementing tool and method' [patent_app_type] => B2 [patent_app_number] => 10/054555 [patent_app_country] => US [patent_app_date] => 2002-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 30 [patent_no_of_words] => 9649 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/820/06820691.pdf [firstpage_image] =>[orig_patent_app_number] => 10054555 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/054555
Cementing tool and method Jan 21, 2002 Issued
Array ( [id] => 5839493 [patent_doc_number] => 20020129934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'Tubular filling system' [patent_app_type] => new [patent_app_number] => 10/052343 [patent_app_country] => US [patent_app_date] => 2002-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5161 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0129/20020129934.pdf [firstpage_image] =>[orig_patent_app_number] => 10052343 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/052343
Tubular filling system Jan 17, 2002 Issued
Array ( [id] => 1310911 [patent_doc_number] => 06604578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-08-12 [patent_title] => 'Tubular filling system' [patent_app_type] => B2 [patent_app_number] => 10/052301 [patent_app_country] => US [patent_app_date] => 2002-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 49 [patent_no_of_words] => 10182 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/604/06604578.pdf [firstpage_image] =>[orig_patent_app_number] => 10052301 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/052301
Tubular filling system Jan 17, 2002 Issued
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