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] => 819185 [patent_doc_number] => 07407013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-05 [patent_title] => 'Expandable well screen with a stable base' [patent_app_type] => utility [patent_app_number] => 11/614322 [patent_app_country] => US [patent_app_date] => 2006-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2405 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/407/07407013.pdf [firstpage_image] =>[orig_patent_app_number] => 11614322 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/614322
Expandable well screen with a stable base Dec 20, 2006 Issued
Array ( [id] => 4863188 [patent_doc_number] => 20080142264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-19 [patent_title] => 'System for steering a drill string' [patent_app_type] => utility [patent_app_number] => 11/611310 [patent_app_country] => US [patent_app_date] => 2006-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3333 [patent_no_of_claims] => 26 [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/A1/0142/20080142264.pdf [firstpage_image] =>[orig_patent_app_number] => 11611310 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/611310
System for steering a drill string Dec 14, 2006 Issued
Array ( [id] => 396275 [patent_doc_number] => 07293613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-13 [patent_title] => 'Logging-while-coring method and apparatus' [patent_app_type] => utility [patent_app_number] => 11/639551 [patent_app_country] => US [patent_app_date] => 2006-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5253 [patent_no_of_claims] => 20 [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/07/293/07293613.pdf [firstpage_image] =>[orig_patent_app_number] => 11639551 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/639551
Logging-while-coring method and apparatus Dec 14, 2006 Issued
Array ( [id] => 19050 [patent_doc_number] => 07798213 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-21 [patent_title] => 'Radial spring latch apparatus and methods for making and using same' [patent_app_type] => utility [patent_app_number] => 11/638761 [patent_app_country] => US [patent_app_date] => 2006-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 6898 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/798/07798213.pdf [firstpage_image] =>[orig_patent_app_number] => 11638761 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/638761
Radial spring latch apparatus and methods for making and using same Dec 13, 2006 Issued
Array ( [id] => 5037594 [patent_doc_number] => 20070089876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-26 [patent_title] => 'Downhole fluid disposal apparatus and methods' [patent_app_type] => utility [patent_app_number] => 11/638886 [patent_app_country] => US [patent_app_date] => 2006-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11425 [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/A1/0089/20070089876.pdf [firstpage_image] =>[orig_patent_app_number] => 11638886 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/638886
Downhole fluid disposal apparatus and methods Dec 13, 2006 Issued
Array ( [id] => 795013 [patent_doc_number] => 07428921 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-30 [patent_title] => 'Well treatment system and method' [patent_app_type] => utility [patent_app_number] => 11/609425 [patent_app_country] => US [patent_app_date] => 2006-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4126 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/428/07428921.pdf [firstpage_image] =>[orig_patent_app_number] => 11609425 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/609425
Well treatment system and method Dec 11, 2006 Issued
Array ( [id] => 5249960 [patent_doc_number] => 20070131416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-14 [patent_title] => 'APPARATUS FOR GRIPPING A TUBULAR ON A DRILLING RIG' [patent_app_type] => utility [patent_app_number] => 11/609709 [patent_app_country] => US [patent_app_date] => 2006-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 15071 [patent_no_of_claims] => 21 [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/A1/0131/20070131416.pdf [firstpage_image] =>[orig_patent_app_number] => 11609709 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/609709
Apparatus for gripping a tubular on a drilling rig Dec 11, 2006 Issued
Array ( [id] => 4967910 [patent_doc_number] => 20070107912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-17 [patent_title] => 'SYSTEM AND METHOD FOR DEFLECTION COMPENSATION IN POWER DRIVE SYSTEM FOR CONNECTION OF TUBULARS' [patent_app_type] => utility [patent_app_number] => 11/608143 [patent_app_country] => US [patent_app_date] => 2006-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11473 [patent_no_of_claims] => 37 [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/A1/0107/20070107912.pdf [firstpage_image] =>[orig_patent_app_number] => 11608143 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/608143
System and method for deflection compensation in power drive system for connection of tubulars Dec 6, 2006 Issued
Array ( [id] => 822166 [patent_doc_number] => 07404438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-07-29 [patent_title] => 'Solid expandable tubular members formed from very low carbon steel and method' [patent_app_type] => utility [patent_app_number] => 11/567501 [patent_app_country] => US [patent_app_date] => 2006-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4115 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/404/07404438.pdf [firstpage_image] =>[orig_patent_app_number] => 11567501 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/567501
Solid expandable tubular members formed from very low carbon steel and method Dec 5, 2006 Issued
Array ( [id] => 5092455 [patent_doc_number] => 20070114064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Hydraulic Drill Bit Assembly' [patent_app_type] => utility [patent_app_number] => 11/567283 [patent_app_country] => US [patent_app_date] => 2006-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6563 [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/A1/0114/20070114064.pdf [firstpage_image] =>[orig_patent_app_number] => 11567283 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/567283
Hydraulic drill bit assembly Dec 5, 2006 Issued
Array ( [id] => 4819786 [patent_doc_number] => 20080121433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-29 [patent_title] => 'Detritus flow management features for drag bit cutters and bits so equipped' [patent_app_type] => utility [patent_app_number] => 11/606611 [patent_app_country] => US [patent_app_date] => 2006-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4088 [patent_no_of_claims] => 32 [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/A1/0121/20080121433.pdf [firstpage_image] =>[orig_patent_app_number] => 11606611 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/606611
Detritus flow management features for drag bit cutters and bits so equipped Nov 28, 2006 Issued
Array ( [id] => 7995141 [patent_doc_number] => 08079415 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-20 [patent_title] => 'Wellbore intervention tool' [patent_app_type] => utility [patent_app_number] => 12/159741 [patent_app_country] => US [patent_app_date] => 2006-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2114 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/079/08079415.pdf [firstpage_image] =>[orig_patent_app_number] => 12159741 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/159741
Wellbore intervention tool Nov 27, 2006 Issued
Array ( [id] => 6388645 [patent_doc_number] => 20100163305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-01 [patent_title] => 'Apparatus and Methods for Sidewall Percussion Coring Using a Voltage Activated Igniter' [patent_app_type] => utility [patent_app_number] => 12/516406 [patent_app_country] => US [patent_app_date] => 2006-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3014 [patent_no_of_claims] => 21 [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/A1/0163/20100163305.pdf [firstpage_image] =>[orig_patent_app_number] => 12516406 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/516406
Apparatus and methods for sidewall percussion coring using a voltage activated igniter Nov 26, 2006 Issued
Array ( [id] => 273208 [patent_doc_number] => 07559371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Method and apparatus for centralizing through tubing milling assemblies' [patent_app_type] => utility [patent_app_number] => 11/602811 [patent_app_country] => US [patent_app_date] => 2006-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 2115 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/559/07559371.pdf [firstpage_image] =>[orig_patent_app_number] => 11602811 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/602811
Method and apparatus for centralizing through tubing milling assemblies Nov 20, 2006 Issued
Array ( [id] => 815699 [patent_doc_number] => 07410003 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-12 [patent_title] => 'Dual purpose blow out preventer' [patent_app_type] => utility [patent_app_number] => 11/602511 [patent_app_country] => US [patent_app_date] => 2006-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10175 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/410/07410003.pdf [firstpage_image] =>[orig_patent_app_number] => 11602511 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/602511
Dual purpose blow out preventer Nov 19, 2006 Issued
Array ( [id] => 4767644 [patent_doc_number] => 20080053298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-06 [patent_title] => 'Weight Spacer Apparatus' [patent_app_type] => utility [patent_app_number] => 11/561641 [patent_app_country] => US [patent_app_date] => 2006-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1611 [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/A1/0053/20080053298.pdf [firstpage_image] =>[orig_patent_app_number] => 11561641 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/561641
Weight spacer apparatus Nov 19, 2006 Issued
Array ( [id] => 5116180 [patent_doc_number] => 20070137893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-21 [patent_title] => 'Method of Drilling Using Pulsed Electric Drilling' [patent_app_type] => utility [patent_app_number] => 11/561840 [patent_app_country] => US [patent_app_date] => 2006-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 34 [patent_no_of_words] => 13216 [patent_no_of_claims] => 51 [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/A1/0137/20070137893.pdf [firstpage_image] =>[orig_patent_app_number] => 11561840 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/561840
Method of drilling using pulsed electric drilling Nov 19, 2006 Issued
Array ( [id] => 4896313 [patent_doc_number] => 20080115926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-22 [patent_title] => 'Collar Assembly for Pump Thrust Rod Used to Activate Microswitch Valve on Chemical Injection Pump' [patent_app_type] => utility [patent_app_number] => 11/560951 [patent_app_country] => US [patent_app_date] => 2006-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2283 [patent_no_of_claims] => 21 [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/A1/0115/20080115926.pdf [firstpage_image] =>[orig_patent_app_number] => 11560951 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/560951
Collar assembly for pump thrust rod used to activate microswitch valve on chemical injection pump Nov 16, 2006 Issued
Array ( [id] => 4901226 [patent_doc_number] => 20080110638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-15 [patent_title] => 'Power and/or Data Connection in a Downhole Component' [patent_app_type] => utility [patent_app_number] => 11/559461 [patent_app_country] => US [patent_app_date] => 2006-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3663 [patent_no_of_claims] => 20 [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/A1/0110/20080110638.pdf [firstpage_image] =>[orig_patent_app_number] => 11559461 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/559461
Power and/or data connection in a downhole component Nov 13, 2006 Issued
Array ( [id] => 128591 [patent_doc_number] => 07699108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-20 [patent_title] => 'Distortion compensation for rod piston bore in subsurface safety valves' [patent_app_type] => utility [patent_app_number] => 11/595591 [patent_app_country] => US [patent_app_date] => 2006-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2149 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/699/07699108.pdf [firstpage_image] =>[orig_patent_app_number] => 11595591 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/595591
Distortion compensation for rod piston bore in subsurface safety valves Nov 12, 2006 Issued
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