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] => 862424 [patent_doc_number] => 07367390 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-06 [patent_title] => 'Slip energized by longitudinal shrinkage' [patent_app_type] => utility [patent_app_number] => 11/392205 [patent_app_country] => US [patent_app_date] => 2006-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3024 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/367/07367390.pdf [firstpage_image] =>[orig_patent_app_number] => 11392205 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/392205
Slip energized by longitudinal shrinkage Mar 28, 2006 Issued
Array ( [id] => 5092457 [patent_doc_number] => 20070114066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'A Drill Bit Assembly Adapted to Provide Power Downhole' [patent_app_type] => utility [patent_app_number] => 11/277380 [patent_app_country] => US [patent_app_date] => 2006-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3847 [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/A1/0114/20070114066.pdf [firstpage_image] =>[orig_patent_app_number] => 11277380 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/277380
Drill bit assembly adapted to provide power downhole Mar 23, 2006 Issued
Array ( [id] => 829083 [patent_doc_number] => 07398837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-07-15 [patent_title] => 'Drill bit assembly with a logging device' [patent_app_type] => utility [patent_app_number] => 11/277394 [patent_app_country] => US [patent_app_date] => 2006-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5379 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/398/07398837.pdf [firstpage_image] =>[orig_patent_app_number] => 11277394 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/277394
Drill bit assembly with a logging device Mar 23, 2006 Issued
Array ( [id] => 5779575 [patent_doc_number] => 20060201670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-14 [patent_title] => 'Downhole apparatus' [patent_app_type] => utility [patent_app_number] => 11/374905 [patent_app_country] => US [patent_app_date] => 2006-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8730 [patent_no_of_claims] => 42 [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/A1/0201/20060201670.pdf [firstpage_image] =>[orig_patent_app_number] => 11374905 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/374905
Downhole apparatus Mar 13, 2006 Abandoned
Array ( [id] => 329154 [patent_doc_number] => 07510015 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-03-31 [patent_title] => 'Packers and methods of use' [patent_app_type] => utility [patent_app_number] => 11/361531 [patent_app_country] => US [patent_app_date] => 2006-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4335 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/510/07510015.pdf [firstpage_image] =>[orig_patent_app_number] => 11361531 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/361531
Packers and methods of use Feb 22, 2006 Issued
Array ( [id] => 605300 [patent_doc_number] => 07152689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-26 [patent_title] => 'System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing' [patent_app_type] => utility [patent_app_number] => 11/307788 [patent_app_country] => US [patent_app_date] => 2006-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3842 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/152/07152689.pdf [firstpage_image] =>[orig_patent_app_number] => 11307788 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/307788
System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing Feb 21, 2006 Issued
Array ( [id] => 5652174 [patent_doc_number] => 20060137909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-29 [patent_title] => 'Portable electrocrushing drill' [patent_app_type] => utility [patent_app_number] => 11/360118 [patent_app_country] => US [patent_app_date] => 2006-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7082 [patent_no_of_claims] => 34 [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/A1/0137/20060137909.pdf [firstpage_image] =>[orig_patent_app_number] => 11360118 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/360118
Portable electrocrushing drill Feb 21, 2006 Issued
Array ( [id] => 572944 [patent_doc_number] => 07441606 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-28 [patent_title] => 'Expandable fluted liner hanger and packer system' [patent_app_type] => utility [patent_app_number] => 11/343681 [patent_app_country] => US [patent_app_date] => 2006-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 22 [patent_no_of_words] => 8001 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/441/07441606.pdf [firstpage_image] =>[orig_patent_app_number] => 11343681 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/343681
Expandable fluted liner hanger and packer system Jan 30, 2006 Issued
Array ( [id] => 838846 [patent_doc_number] => 07389828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-06-24 [patent_title] => 'Apparatus and method for mechanical caliper measurements during drilling and logging-while-drilling operations' [patent_app_type] => utility [patent_app_number] => 11/344291 [patent_app_country] => US [patent_app_date] => 2006-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 5781 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/389/07389828.pdf [firstpage_image] =>[orig_patent_app_number] => 11344291 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/344291
Apparatus and method for mechanical caliper measurements during drilling and logging-while-drilling operations Jan 30, 2006 Issued
Array ( [id] => 5144901 [patent_doc_number] => 20070044955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-01 [patent_title] => 'Drilling rig floor drainage system' [patent_app_type] => utility [patent_app_number] => 11/338291 [patent_app_country] => US [patent_app_date] => 2006-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1342 [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/A1/0044/20070044955.pdf [firstpage_image] =>[orig_patent_app_number] => 11338291 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/338291
Drilling rig floor drainage system Jan 23, 2006 Abandoned
Array ( [id] => 5092459 [patent_doc_number] => 20070114068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Drill Bit Assembly for Directional Drilling' [patent_app_type] => utility [patent_app_number] => 11/306976 [patent_app_country] => US [patent_app_date] => 2006-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 6994 [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/A1/0114/20070114068.pdf [firstpage_image] =>[orig_patent_app_number] => 11306976 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/306976
Drill bit assembly for directional drilling Jan 17, 2006 Issued
Array ( [id] => 5669703 [patent_doc_number] => 20060175056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-10 [patent_title] => 'Instrumented Packer' [patent_app_type] => utility [patent_app_number] => 11/332501 [patent_app_country] => US [patent_app_date] => 2006-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10197 [patent_no_of_claims] => 13 [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/A1/0175/20060175056.pdf [firstpage_image] =>[orig_patent_app_number] => 11332501 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/332501
Instrumented packer Jan 12, 2006 Issued
Array ( [id] => 5185468 [patent_doc_number] => 20070163774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-19 [patent_title] => 'Flow Control System for Use in a Well' [patent_app_type] => utility [patent_app_number] => 11/306881 [patent_app_country] => US [patent_app_date] => 2006-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4911 [patent_no_of_claims] => 26 [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/A1/0163/20070163774.pdf [firstpage_image] =>[orig_patent_app_number] => 11306881 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/306881
Flow control system for use in a well Jan 12, 2006 Issued
Array ( [id] => 542164 [patent_doc_number] => 07156181 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-02 [patent_title] => 'Puller-thruster downhole tool' [patent_app_type] => utility [patent_app_number] => 11/329781 [patent_app_country] => US [patent_app_date] => 2006-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 30 [patent_no_of_words] => 20338 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/156/07156181.pdf [firstpage_image] =>[orig_patent_app_number] => 11329781 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/329781
Puller-thruster downhole tool Jan 9, 2006 Issued
Array ( [id] => 815652 [patent_doc_number] => 07409998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-12 [patent_title] => 'Critical velocity reduction in a gas well' [patent_app_type] => utility [patent_app_number] => 11/330361 [patent_app_country] => US [patent_app_date] => 2006-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3103 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/409/07409998.pdf [firstpage_image] =>[orig_patent_app_number] => 11330361 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/330361
Critical velocity reduction in a gas well Jan 9, 2006 Issued
Array ( [id] => 5652177 [patent_doc_number] => 20060137912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-29 [patent_title] => 'Method and apparatus for horizontal drilling and oil recovery' [patent_app_type] => utility [patent_app_number] => 11/319112 [patent_app_country] => US [patent_app_date] => 2005-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1774 [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/A1/0137/20060137912.pdf [firstpage_image] =>[orig_patent_app_number] => 11319112 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/319112
Method and apparatus for horizontal drilling and oil recovery Dec 26, 2005 Abandoned
Array ( [id] => 5804554 [patent_doc_number] => 20060090906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-05-04 [patent_title] => 'Apparatus and method for wellbore isolation' [patent_app_type] => utility [patent_app_number] => 11/315494 [patent_app_country] => US [patent_app_date] => 2005-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2213 [patent_no_of_claims] => 10 [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/A1/0090/20060090906.pdf [firstpage_image] =>[orig_patent_app_number] => 11315494 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/315494
Apparatus and method for wellbore isolation Dec 22, 2005 Issued
Array ( [id] => 5092458 [patent_doc_number] => 20070114067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Drill Bit Assembly with an Indenting Member' [patent_app_type] => utility [patent_app_number] => 11/306307 [patent_app_country] => US [patent_app_date] => 2005-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3449 [patent_no_of_claims] => 21 [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/A1/0114/20070114067.pdf [firstpage_image] =>[orig_patent_app_number] => 11306307 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/306307
Drill bit assembly with an indenting member Dec 21, 2005 Issued
Array ( [id] => 502154 [patent_doc_number] => 07198119 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-04-03 [patent_title] => 'Hydraulic drill bit assembly' [patent_app_type] => utility [patent_app_number] => 11/306022 [patent_app_country] => US [patent_app_date] => 2005-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 22 [patent_no_of_words] => 6534 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/198/07198119.pdf [firstpage_image] =>[orig_patent_app_number] => 11306022 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/306022
Hydraulic drill bit assembly Dec 13, 2005 Issued
Array ( [id] => 376054 [patent_doc_number] => 07311152 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-25 [patent_title] => 'Gas operated pump for hydrocarbon wells' [patent_app_type] => utility [patent_app_number] => 11/302482 [patent_app_country] => US [patent_app_date] => 2005-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7052 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/311/07311152.pdf [firstpage_image] =>[orig_patent_app_number] => 11302482 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/302482
Gas operated pump for hydrocarbon wells Dec 12, 2005 Issued
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