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] => 5680430 [patent_doc_number] => 20060196697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-07 [patent_title] => 'STABILIZING SYSTEM AND METHODS FOR A DRILL BIT' [patent_app_type] => utility [patent_app_number] => 11/164755 [patent_app_country] => US [patent_app_date] => 2005-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6092 [patent_no_of_claims] => 17 [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/A1/0196/20060196697.pdf [firstpage_image] =>[orig_patent_app_number] => 11164755 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/164755
Stabilizing system and methods for a drill bit Dec 4, 2005 Issued
Array ( [id] => 5598827 [patent_doc_number] => 20060289171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-28 [patent_title] => 'Coiled tubing/top drive rig and method' [patent_app_type] => utility [patent_app_number] => 11/294036 [patent_app_country] => US [patent_app_date] => 2005-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7529 [patent_no_of_claims] => 35 [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/A1/0289/20060289171.pdf [firstpage_image] =>[orig_patent_app_number] => 11294036 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/294036
Coiled tubing/top drive rig and method Dec 4, 2005 Issued
Array ( [id] => 5702636 [patent_doc_number] => 20060191682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-31 [patent_title] => 'Heating and cooling electrical components in a downhole operation' [patent_app_type] => utility [patent_app_number] => 11/293041 [patent_app_country] => US [patent_app_date] => 2005-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 10443 [patent_no_of_claims] => 31 [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/A1/0191/20060191682.pdf [firstpage_image] =>[orig_patent_app_number] => 11293041 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/293041
Heating and cooling electrical components in a downhole operation Dec 1, 2005 Abandoned
Array ( [id] => 424216 [patent_doc_number] => 07270196 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-18 [patent_title] => 'Drill bit assembly' [patent_app_type] => utility [patent_app_number] => 11/164391 [patent_app_country] => US [patent_app_date] => 2005-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3544 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/270/07270196.pdf [firstpage_image] =>[orig_patent_app_number] => 11164391 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/164391
Drill bit assembly Nov 20, 2005 Issued
Array ( [id] => 5634432 [patent_doc_number] => 20060065405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-30 [patent_title] => 'Method for installing a water well pump' [patent_app_type] => utility [patent_app_number] => 11/280070 [patent_app_country] => US [patent_app_date] => 2005-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2098 [patent_no_of_claims] => 12 [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/A1/0065/20060065405.pdf [firstpage_image] =>[orig_patent_app_number] => 11280070 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/280070
Method for installing a water well pump Nov 14, 2005 Abandoned
Array ( [id] => 572928 [patent_doc_number] => 07441605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-28 [patent_title] => 'Optical sensor use in alternate path gravel packing with integral zonal isolation' [patent_app_type] => utility [patent_app_number] => 11/273191 [patent_app_country] => US [patent_app_date] => 2005-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 4610 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/441/07441605.pdf [firstpage_image] =>[orig_patent_app_number] => 11273191 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/273191
Optical sensor use in alternate path gravel packing with integral zonal isolation Nov 13, 2005 Issued
Array ( [id] => 5837675 [patent_doc_number] => 20060118333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-08 [patent_title] => 'Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation' [patent_app_type] => utility [patent_app_number] => 11/271559 [patent_app_country] => US [patent_app_date] => 2005-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4520 [patent_no_of_claims] => 9 [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/A1/0118/20060118333.pdf [firstpage_image] =>[orig_patent_app_number] => 11271559 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/271559
Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation Nov 10, 2005 Abandoned
Array ( [id] => 5723603 [patent_doc_number] => 20060054363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-16 [patent_title] => 'Method for forming cutting elements' [patent_app_type] => utility [patent_app_number] => 11/267644 [patent_app_country] => US [patent_app_date] => 2005-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3730 [patent_no_of_claims] => 8 [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/A1/0054/20060054363.pdf [firstpage_image] =>[orig_patent_app_number] => 11267644 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/267644
Cutting element with canted interface surface and bit body incorporating the same Nov 3, 2005 Issued
Array ( [id] => 569629 [patent_doc_number] => 07448455 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-11 [patent_title] => 'Turbodrill with asymmetric stator and rotor vanes' [patent_app_type] => utility [patent_app_number] => 11/266995 [patent_app_country] => US [patent_app_date] => 2005-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4647 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/448/07448455.pdf [firstpage_image] =>[orig_patent_app_number] => 11266995 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/266995
Turbodrill with asymmetric stator and rotor vanes Nov 3, 2005 Issued
Array ( [id] => 5216762 [patent_doc_number] => 20070158073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Fracking multiple casing exit laterals' [patent_app_type] => utility [patent_app_number] => 11/258811 [patent_app_country] => US [patent_app_date] => 2005-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2685 [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/A1/0158/20070158073.pdf [firstpage_image] =>[orig_patent_app_number] => 11258811 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/258811
Fracking multiple casing exit laterals Oct 25, 2005 Issued
Array ( [id] => 216058 [patent_doc_number] => 07610963 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-03 [patent_title] => 'Method and device for fluid displacement' [patent_app_type] => utility [patent_app_number] => 11/666791 [patent_app_country] => US [patent_app_date] => 2005-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2153 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/610/07610963.pdf [firstpage_image] =>[orig_patent_app_number] => 11666791 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/666791
Method and device for fluid displacement Oct 25, 2005 Issued
Array ( [id] => 5810291 [patent_doc_number] => 20060081399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-20 [patent_title] => 'Method and control system for directional drilling' [patent_app_type] => utility [patent_app_number] => 11/252481 [patent_app_country] => US [patent_app_date] => 2005-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4545 [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/A1/0081/20060081399.pdf [firstpage_image] =>[orig_patent_app_number] => 11252481 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/252481
Method and control system for directional drilling Oct 17, 2005 Issued
Array ( [id] => 571750 [patent_doc_number] => 07445049 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-04 [patent_title] => 'Gas operated pump for hydrocarbon wells' [patent_app_type] => utility [patent_app_number] => 11/248443 [patent_app_country] => US [patent_app_date] => 2005-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 9094 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/445/07445049.pdf [firstpage_image] =>[orig_patent_app_number] => 11248443 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/248443
Gas operated pump for hydrocarbon wells Oct 11, 2005 Issued
Array ( [id] => 5823171 [patent_doc_number] => 20060060353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-23 [patent_title] => 'Earth loop installed with sonic apparatus' [patent_app_type] => utility [patent_app_number] => 11/247997 [patent_app_country] => US [patent_app_date] => 2005-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7023 [patent_no_of_claims] => 23 [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/A1/0060/20060060353.pdf [firstpage_image] =>[orig_patent_app_number] => 11247997 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/247997
Earth loop installed with sonic apparatus Oct 9, 2005 Issued
Array ( [id] => 139282 [patent_doc_number] => 07690424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-06 [patent_title] => 'Well bore anchors' [patent_app_type] => utility [patent_app_number] => 11/816421 [patent_app_country] => US [patent_app_date] => 2005-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3510 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/690/07690424.pdf [firstpage_image] =>[orig_patent_app_number] => 11816421 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/816421
Well bore anchors Oct 6, 2005 Issued
Array ( [id] => 4560521 [patent_doc_number] => 07823648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-02 [patent_title] => 'Downhole safety valve apparatus and method' [patent_app_type] => utility [patent_app_number] => 11/664646 [patent_app_country] => US [patent_app_date] => 2005-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4612 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/823/07823648.pdf [firstpage_image] =>[orig_patent_app_number] => 11664646 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/664646
Downhole safety valve apparatus and method Oct 6, 2005 Issued
Array ( [id] => 424201 [patent_doc_number] => 07270181 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-18 [patent_title] => 'Downhole surge pressure reduction and filtering apparatus' [patent_app_type] => utility [patent_app_number] => 11/245494 [patent_app_country] => US [patent_app_date] => 2005-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 41 [patent_no_of_words] => 7217 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/270/07270181.pdf [firstpage_image] =>[orig_patent_app_number] => 11245494 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/245494
Downhole surge pressure reduction and filtering apparatus Oct 6, 2005 Issued
Array ( [id] => 4497577 [patent_doc_number] => 07913769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-29 [patent_title] => 'Downhole safety valve apparatus and method' [patent_app_type] => utility [patent_app_number] => 11/663312 [patent_app_country] => US [patent_app_date] => 2005-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3540 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/913/07913769.pdf [firstpage_image] =>[orig_patent_app_number] => 11663312 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/663312
Downhole safety valve apparatus and method Sep 19, 2005 Issued
Array ( [id] => 424219 [patent_doc_number] => 07270199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-18 [patent_title] => 'Cutting element with a non-shear stress relieving substrate interface' [patent_app_type] => utility [patent_app_number] => 11/162681 [patent_app_country] => US [patent_app_date] => 2005-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3283 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/270/07270199.pdf [firstpage_image] =>[orig_patent_app_number] => 11162681 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/162681
Cutting element with a non-shear stress relieving substrate interface Sep 18, 2005 Issued
Array ( [id] => 5712787 [patent_doc_number] => 20060076150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-13 [patent_title] => 'Inflow control device with passive shut-off feature' [patent_app_type] => utility [patent_app_number] => 11/219511 [patent_app_country] => US [patent_app_date] => 2005-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5363 [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/A1/0076/20060076150.pdf [firstpage_image] =>[orig_patent_app_number] => 11219511 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/219511
Inflow control device with passive shut-off feature Sep 1, 2005 Issued
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