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] => 6922899 [patent_doc_number] => 20050236154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-27 [patent_title] => 'Isolation assembly for coiled tubing' [patent_app_type] => utility [patent_app_number] => 10/829601 [patent_app_country] => US [patent_app_date] => 2004-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6640 [patent_no_of_claims] => 25 [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/A1/0236/20050236154.pdf [firstpage_image] =>[orig_patent_app_number] => 10829601 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/829601
Isolation assembly for coiled tubing Apr 21, 2004 Issued
Array ( [id] => 947918 [patent_doc_number] => RE038866 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2005-11-08 [patent_title] => 'Pressure-boost device for downhole tools' [patent_app_type] => reissue [patent_app_number] => 10/825671 [patent_app_country] => US [patent_app_date] => 2004-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2529 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/038/RE038866.pdf [firstpage_image] =>[orig_patent_app_number] => 10825671 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/825671
Pressure-boost device for downhole tools Apr 14, 2004 Issued
Array ( [id] => 7400428 [patent_doc_number] => 20040262005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-30 [patent_title] => 'Latch mechanism guide' [patent_app_type] => new [patent_app_number] => 10/823384 [patent_app_country] => US [patent_app_date] => 2004-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4455 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0262/20040262005.pdf [firstpage_image] =>[orig_patent_app_number] => 10823384 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/823384
Latch mechanism guide Apr 11, 2004 Issued
Array ( [id] => 7332446 [patent_doc_number] => 20040188095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-30 [patent_title] => 'Cuttings injection and annulus remediation systems for wellheads' [patent_app_type] => new [patent_app_number] => 10/818221 [patent_app_country] => US [patent_app_date] => 2004-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2246 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0188/20040188095.pdf [firstpage_image] =>[orig_patent_app_number] => 10818221 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/818221
Cuttings injection and annulus remediation systems for wellheads Apr 4, 2004 Issued
Array ( [id] => 7015436 [patent_doc_number] => 20050217849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [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] => 10/708931 [patent_app_country] => US [patent_app_date] => 2004-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3815 [patent_no_of_claims] => 29 [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/A1/0217/20050217849.pdf [firstpage_image] =>[orig_patent_app_number] => 10708931 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/708931
System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing Mar 31, 2004 Issued
Array ( [id] => 950560 [patent_doc_number] => 06959759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-11-01 [patent_title] => 'Expandable packer with anchoring feature' [patent_app_type] => utility [patent_app_number] => 10/814558 [patent_app_country] => US [patent_app_date] => 2004-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 76 [patent_no_of_words] => 6972 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/959/06959759.pdf [firstpage_image] =>[orig_patent_app_number] => 10814558 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/814558
Expandable packer with anchoring feature Mar 30, 2004 Issued
Array ( [id] => 724562 [patent_doc_number] => 07040401 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-05-09 [patent_title] => 'Automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus' [patent_app_type] => utility [patent_app_number] => 10/813771 [patent_app_country] => US [patent_app_date] => 2004-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3591 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/040/07040401.pdf [firstpage_image] =>[orig_patent_app_number] => 10813771 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/813771
Automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus Mar 30, 2004 Issued
Array ( [id] => 6969166 [patent_doc_number] => 20050034876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-17 [patent_title] => 'Expandable packer with anchoring feature' [patent_app_type] => utility [patent_app_number] => 10/813724 [patent_app_country] => US [patent_app_date] => 2004-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 6955 [patent_no_of_claims] => 5 [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/A1/0034/20050034876.pdf [firstpage_image] =>[orig_patent_app_number] => 10813724 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/813724
Expandable packer with anchoring feature Mar 30, 2004 Issued
Array ( [id] => 7014642 [patent_doc_number] => 20050217350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [patent_title] => 'Systems and methods for controlling flow control devices' [patent_app_type] => utility [patent_app_number] => 10/813471 [patent_app_country] => US [patent_app_date] => 2004-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6083 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 27 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0217/20050217350.pdf [firstpage_image] =>[orig_patent_app_number] => 10813471 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/813471
Systems and methods for controlling flow control devices Mar 29, 2004 Issued
Array ( [id] => 420802 [patent_doc_number] => 07273106 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-25 [patent_title] => 'Surface flow controlled valve and screen' [patent_app_type] => utility [patent_app_number] => 10/811211 [patent_app_country] => US [patent_app_date] => 2004-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 6405 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/273/07273106.pdf [firstpage_image] =>[orig_patent_app_number] => 10811211 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/811211
Surface flow controlled valve and screen Mar 25, 2004 Issued
Array ( [id] => 7322635 [patent_doc_number] => 20040251035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-16 [patent_title] => 'Hydraulically assisted tubing expansion' [patent_app_type] => new [patent_app_number] => 10/809275 [patent_app_country] => US [patent_app_date] => 2004-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6128 [patent_no_of_claims] => 130 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0251/20040251035.pdf [firstpage_image] =>[orig_patent_app_number] => 10809275 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/809275
Hydraulically assisted tubing expansion Mar 24, 2004 Issued
Array ( [id] => 569594 [patent_doc_number] => 07448454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-11 [patent_title] => 'Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling' [patent_app_type] => utility [patent_app_number] => 10/807091 [patent_app_country] => US [patent_app_date] => 2004-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 4872 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/448/07448454.pdf [firstpage_image] =>[orig_patent_app_number] => 10807091 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/807091
Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling Mar 22, 2004 Issued
Array ( [id] => 7360789 [patent_doc_number] => 20040216887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-11-04 [patent_title] => 'Device and a method for disconnecting a tool from a pipe string' [patent_app_type] => new [patent_app_number] => 10/803351 [patent_app_country] => US [patent_app_date] => 2004-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1416 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0216/20040216887.pdf [firstpage_image] =>[orig_patent_app_number] => 10803351 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/803351
Device and a method for disconnecting a tool from a pipe string Mar 17, 2004 Issued
Array ( [id] => 7417293 [patent_doc_number] => 20040182567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-23 [patent_title] => 'Wellhead leak containment and blowout deflection apparatus' [patent_app_type] => new [patent_app_number] => 10/802831 [patent_app_country] => US [patent_app_date] => 2004-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2655 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0182/20040182567.pdf [firstpage_image] =>[orig_patent_app_number] => 10802831 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/802831
Wellhead leak containment and blowout deflection apparatus Mar 17, 2004 Abandoned
Array ( [id] => 5151501 [patent_doc_number] => 20070034383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-15 [patent_title] => 'Apparatus and method for radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool' [patent_app_type] => utility [patent_app_number] => 10/546903 [patent_app_country] => US [patent_app_date] => 2004-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 13477 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0034/20070034383.pdf [firstpage_image] =>[orig_patent_app_number] => 10546903 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/546903
Apparatus and method for radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool Mar 14, 2004 Abandoned
Array ( [id] => 7143300 [patent_doc_number] => 20040168800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-02 [patent_title] => 'Method and apparatus for formation damage removal' [patent_app_type] => new [patent_app_number] => 10/798370 [patent_app_country] => US [patent_app_date] => 2004-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9779 [patent_no_of_claims] => 58 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0168/20040168800.pdf [firstpage_image] =>[orig_patent_app_number] => 10798370 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/798370
Method and apparatus for formation damage removal Mar 11, 2004 Issued
Array ( [id] => 516122 [patent_doc_number] => 07182134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-27 [patent_title] => 'Intelligent well system and method' [patent_app_type] => utility [patent_app_number] => 10/797161 [patent_app_country] => US [patent_app_date] => 2004-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 6557 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/182/07182134.pdf [firstpage_image] =>[orig_patent_app_number] => 10797161 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/797161
Intelligent well system and method Mar 9, 2004 Issued
Array ( [id] => 6942079 [patent_doc_number] => 20050194127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-08 [patent_title] => 'Expander for expanding a tubular element' [patent_app_type] => utility [patent_app_number] => 10/795841 [patent_app_country] => US [patent_app_date] => 2004-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4862 [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/A1/0194/20050194127.pdf [firstpage_image] =>[orig_patent_app_number] => 10795841 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/795841
Expander for expanding a tubular element Mar 7, 2004 Abandoned
Array ( [id] => 643173 [patent_doc_number] => 07117940 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-10 [patent_title] => 'Expander for expanding a tubular element' [patent_app_type] => utility [patent_app_number] => 10/795951 [patent_app_country] => US [patent_app_date] => 2004-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 5008 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/117/07117940.pdf [firstpage_image] =>[orig_patent_app_number] => 10795951 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/795951
Expander for expanding a tubular element Mar 7, 2004 Issued
Array ( [id] => 7058332 [patent_doc_number] => 20050000691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-06 [patent_title] => 'Methods and apparatus for handling and drilling with tubulars or casing' [patent_app_type] => utility [patent_app_number] => 10/795129 [patent_app_country] => US [patent_app_date] => 2004-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 18813 [patent_no_of_claims] => 29 [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/A1/0000/20050000691.pdf [firstpage_image] =>[orig_patent_app_number] => 10795129 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/795129
Methods and apparatus for handling and drilling with tubulars or casing Mar 4, 2004 Issued
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