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] => 407062 [patent_doc_number] => 07284624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-23 [patent_title] => 'Drill gripping device and method' [patent_app_type] => utility [patent_app_number] => 10/754221 [patent_app_country] => US [patent_app_date] => 2004-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2919 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/284/07284624.pdf [firstpage_image] =>[orig_patent_app_number] => 10754221 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/754221
Drill gripping device and method Jan 8, 2004 Issued
Array ( [id] => 696150 [patent_doc_number] => 07066264 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-27 [patent_title] => 'Method and apparatus for treating a subterranean formation' [patent_app_type] => utility [patent_app_number] => 10/754201 [patent_app_country] => US [patent_app_date] => 2004-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 28 [patent_no_of_words] => 9325 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/066/07066264.pdf [firstpage_image] =>[orig_patent_app_number] => 10754201 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/754201
Method and apparatus for treating a subterranean formation Jan 8, 2004 Issued
Array ( [id] => 753428 [patent_doc_number] => 07013996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-21 [patent_title] => 'Impact device' [patent_app_type] => utility [patent_app_number] => 10/749381 [patent_app_country] => US [patent_app_date] => 2004-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3066 [patent_no_of_claims] => 9 [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/07/013/07013996.pdf [firstpage_image] =>[orig_patent_app_number] => 10749381 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/749381
Impact device Jan 1, 2004 Issued
Array ( [id] => 7072121 [patent_doc_number] => 20050145387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-07 [patent_title] => 'Multiple azimuth control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments' [patent_app_type] => utility [patent_app_number] => 10/749131 [patent_app_country] => US [patent_app_date] => 2003-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6308 [patent_no_of_claims] => 24 [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/A1/0145/20050145387.pdf [firstpage_image] =>[orig_patent_app_number] => 10749131 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/749131
Multiple azimuth control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments Dec 29, 2003 Issued
Array ( [id] => 7072118 [patent_doc_number] => 20050145384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-07 [patent_title] => 'Rotating blast liner' [patent_app_type] => utility [patent_app_number] => 10/748099 [patent_app_country] => US [patent_app_date] => 2003-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3275 [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/A1/0145/20050145384.pdf [firstpage_image] =>[orig_patent_app_number] => 10748099 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/748099
Rotating blast liner Dec 29, 2003 Issued
Array ( [id] => 7317917 [patent_doc_number] => 20040134652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-15 [patent_title] => 'Subsurface signal transmitting apparatus' [patent_app_type] => new [patent_app_number] => 10/744683 [patent_app_country] => US [patent_app_date] => 2003-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5960 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20040134652.pdf [firstpage_image] =>[orig_patent_app_number] => 10744683 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/744683
Subsurface signal transmitting apparatus Dec 22, 2003 Issued
Array ( [id] => 7093830 [patent_doc_number] => 20050126822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-16 [patent_title] => 'Drilling systems' [patent_app_type] => utility [patent_app_number] => 10/733171 [patent_app_country] => US [patent_app_date] => 2003-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11799 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20050126822.pdf [firstpage_image] =>[orig_patent_app_number] => 10733171 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/733171
Drilling systems Dec 10, 2003 Issued
Array ( [id] => 907349 [patent_doc_number] => 07328742 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-12 [patent_title] => 'Seal cup for a wellbore tool and method' [patent_app_type] => utility [patent_app_number] => 10/537771 [patent_app_country] => US [patent_app_date] => 2003-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5436 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/328/07328742.pdf [firstpage_image] =>[orig_patent_app_number] => 10537771 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/537771
Seal cup for a wellbore tool and method Dec 7, 2003 Issued
Array ( [id] => 7283156 [patent_doc_number] => 20040144547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Methods and apparatus for applying torque and rotation to connections' [patent_app_type] => new [patent_app_number] => 10/723290 [patent_app_country] => US [patent_app_date] => 2003-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9338 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0144/20040144547.pdf [firstpage_image] =>[orig_patent_app_number] => 10723290 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/723290
Methods and apparatus for applying torque and rotation to connections Nov 24, 2003 Issued
Array ( [id] => 6969150 [patent_doc_number] => 20050034860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-17 [patent_title] => 'Screen for sand control in a wellbore' [patent_app_type] => utility [patent_app_number] => 10/720731 [patent_app_country] => US [patent_app_date] => 2003-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2818 [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/A1/0034/20050034860.pdf [firstpage_image] =>[orig_patent_app_number] => 10720731 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/720731
Screen for sand control in a wellbore Nov 23, 2003 Abandoned
Array ( [id] => 635981 [patent_doc_number] => 07124843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-24 [patent_title] => 'Bit assembly for a hammering drill' [patent_app_type] => utility [patent_app_number] => 10/535201 [patent_app_country] => US [patent_app_date] => 2003-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1937 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/124/07124843.pdf [firstpage_image] =>[orig_patent_app_number] => 10535201 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/535201
Bit assembly for a hammering drill Nov 17, 2003 Issued
Array ( [id] => 7317916 [patent_doc_number] => 20040134651 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-15 [patent_title] => 'Well cleaning apparatus' [patent_app_type] => new [patent_app_number] => 10/478621 [patent_app_country] => US [patent_app_date] => 2003-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2002 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20040134651.pdf [firstpage_image] =>[orig_patent_app_number] => 10478621 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/478621
Well cleaning apparatus Nov 16, 2003 Abandoned
Array ( [id] => 7100577 [patent_doc_number] => 20050103493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Moled foam plugs, plug systems and methods of using same' [patent_app_type] => utility [patent_app_number] => 10/714831 [patent_app_country] => US [patent_app_date] => 2003-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6269 [patent_no_of_claims] => 71 [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/A1/0103/20050103493.pdf [firstpage_image] =>[orig_patent_app_number] => 10714831 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/714831
Moled foam plugs, plug systems and methods of using same Nov 13, 2003 Abandoned
Array ( [id] => 6914923 [patent_doc_number] => 20050092484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-05 [patent_title] => 'Downhole tool with pressure balancing' [patent_app_type] => utility [patent_app_number] => 10/700701 [patent_app_country] => US [patent_app_date] => 2003-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6248 [patent_no_of_claims] => 10 [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/A1/0092/20050092484.pdf [firstpage_image] =>[orig_patent_app_number] => 10700701 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/700701
Downhole tool with pressure balancing Nov 3, 2003 Issued
Array ( [id] => 660453 [patent_doc_number] => 07100695 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-05 [patent_title] => 'Gas recovery apparatus, method and cycle having a three chamber evacuation phase and two liquid extraction phases for improved natural gas production' [patent_app_type] => utility [patent_app_number] => 10/700296 [patent_app_country] => US [patent_app_date] => 2003-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 12025 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/100/07100695.pdf [firstpage_image] =>[orig_patent_app_number] => 10700296 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/700296
Gas recovery apparatus, method and cycle having a three chamber evacuation phase and two liquid extraction phases for improved natural gas production Nov 2, 2003 Issued
Array ( [id] => 5675000 [patent_doc_number] => 20060180355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-17 [patent_title] => 'Drill bit' [patent_app_type] => utility [patent_app_number] => 10/533671 [patent_app_country] => US [patent_app_date] => 2003-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2984 [patent_no_of_claims] => 10 [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/A1/0180/20060180355.pdf [firstpage_image] =>[orig_patent_app_number] => 10533671 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/533671
Drill bit Oct 30, 2003 Issued
Array ( [id] => 7411818 [patent_doc_number] => 20040159471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-19 [patent_title] => 'Novel bits and cutting structures' [patent_app_type] => new [patent_app_number] => 10/696535 [patent_app_country] => US [patent_app_date] => 2003-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6114 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20040159471.pdf [firstpage_image] =>[orig_patent_app_number] => 10696535 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/696535
Bits and cutting structures Oct 28, 2003 Issued
Array ( [id] => 6987968 [patent_doc_number] => 20050087338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-28 [patent_title] => 'Disconnect device' [patent_app_type] => utility [patent_app_number] => 10/693911 [patent_app_country] => US [patent_app_date] => 2003-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3825 [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/A1/0087/20050087338.pdf [firstpage_image] =>[orig_patent_app_number] => 10693911 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/693911
Disconnect device Oct 27, 2003 Issued
Array ( [id] => 6987969 [patent_doc_number] => 20050087339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-28 [patent_title] => 'System and method for processing signals in a well' [patent_app_type] => utility [patent_app_number] => 10/692711 [patent_app_country] => US [patent_app_date] => 2003-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2328 [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/A1/0087/20050087339.pdf [firstpage_image] =>[orig_patent_app_number] => 10692711 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/692711
System and method for processing signals in a well Oct 23, 2003 Issued
Array ( [id] => 7283150 [patent_doc_number] => 20040144541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Forming wellbores using acoustic methods' [patent_app_type] => new [patent_app_number] => 10/693841 [patent_app_country] => US [patent_app_date] => 2003-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 141 [patent_figures_cnt] => 141 [patent_no_of_words] => 95367 [patent_no_of_claims] => 1690 [patent_no_of_ind_claims] => 83 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0144/20040144541.pdf [firstpage_image] =>[orig_patent_app_number] => 10693841 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/693841
Forming wellbores using acoustic methods Oct 23, 2003 Abandoned
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