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] => 5233425 [patent_doc_number] => 20070125580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-07 [patent_title] => 'Jet Arrangement for a Downhole Drill Bit' [patent_app_type] => utility [patent_app_number] => 11/673936 [patent_app_country] => US [patent_app_date] => 2007-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4383 [patent_no_of_claims] => 21 [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/A1/0125/20070125580.pdf [firstpage_image] =>[orig_patent_app_number] => 11673936 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/673936
Jet arrangement for a downhole drill bit Feb 11, 2007 Issued
Array ( [id] => 5059781 [patent_doc_number] => 20070221417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-27 [patent_title] => 'Jack Element in Communication with an Electric Motor and or Generator' [patent_app_type] => utility [patent_app_number] => 11/673872 [patent_app_country] => US [patent_app_date] => 2007-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4488 [patent_no_of_claims] => 20 [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/A1/0221/20070221417.pdf [firstpage_image] =>[orig_patent_app_number] => 11673872 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/673872
Jack element in communication with an electric motor and or generator Feb 11, 2007 Issued
Array ( [id] => 5233424 [patent_doc_number] => 20070125579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-07 [patent_title] => 'Roller Cone Drill Bits With Enhanced Cutting Elements And Cutting Structures' [patent_app_type] => utility [patent_app_number] => 11/671649 [patent_app_country] => US [patent_app_date] => 2007-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7340 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0125/20070125579.pdf [firstpage_image] =>[orig_patent_app_number] => 11671649 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/671649
Roller cone drill bits with enhanced cutting elements and cutting structures Feb 5, 2007 Issued
Array ( [id] => 5076406 [patent_doc_number] => 20070119630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-31 [patent_title] => 'Jack Element Adapted to Rotate Independent of a Drill Bit' [patent_app_type] => utility [patent_app_number] => 11/668341 [patent_app_country] => US [patent_app_date] => 2007-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4709 [patent_no_of_claims] => 20 [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/A1/0119/20070119630.pdf [firstpage_image] =>[orig_patent_app_number] => 11668341 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/668341
Jack element adapted to rotate independent of a drill bit Jan 28, 2007 Issued
Array ( [id] => 851491 [patent_doc_number] => 07377320 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-27 [patent_title] => 'Apparatus and method for gravel packing' [patent_app_type] => utility [patent_app_number] => 11/627873 [patent_app_country] => US [patent_app_date] => 2007-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3390 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/377/07377320.pdf [firstpage_image] =>[orig_patent_app_number] => 11627873 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/627873
Apparatus and method for gravel packing Jan 25, 2007 Issued
Array ( [id] => 5076407 [patent_doc_number] => 20070119631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-31 [patent_title] => 'Cutting element with canted interface surface and bit body incorporating the same' [patent_app_type] => utility [patent_app_number] => 11/657198 [patent_app_country] => US [patent_app_date] => 2007-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3778 [patent_no_of_claims] => 11 [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/A1/0119/20070119631.pdf [firstpage_image] =>[orig_patent_app_number] => 11657198 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/657198
Cutting element with canted interface surface and bit body incorporating the same Jan 22, 2007 Issued
Array ( [id] => 918232 [patent_doc_number] => 07320367 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-22 [patent_title] => 'Annular isolators for expandable tubulars in wellbores' [patent_app_type] => utility [patent_app_number] => 11/624757 [patent_app_country] => US [patent_app_date] => 2007-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 45 [patent_no_of_words] => 19511 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/320/07320367.pdf [firstpage_image] =>[orig_patent_app_number] => 11624757 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/624757
Annular isolators for expandable tubulars in wellbores Jan 18, 2007 Issued
Array ( [id] => 389288 [patent_doc_number] => 07299882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-27 [patent_title] => 'Annular isolators for expandable tubulars in wellbores' [patent_app_type] => utility [patent_app_number] => 11/624747 [patent_app_country] => US [patent_app_date] => 2007-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 45 [patent_no_of_words] => 19519 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/299/07299882.pdf [firstpage_image] =>[orig_patent_app_number] => 11624747 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/624747
Annular isolators for expandable tubulars in wellbores Jan 18, 2007 Issued
Array ( [id] => 5092435 [patent_doc_number] => 20070114044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Annular Isolators for Expandable Tubulars in Wellbores' [patent_app_type] => utility [patent_app_number] => 11/624759 [patent_app_country] => US [patent_app_date] => 2007-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 19503 [patent_no_of_claims] => 15 [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/A1/0114/20070114044.pdf [firstpage_image] =>[orig_patent_app_number] => 11624759 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/624759
Annular isolators for expandable tubulars in wellbores Jan 18, 2007 Issued
Array ( [id] => 5092410 [patent_doc_number] => 20070114019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Annular Isolators for Expandable Tubulars in Wellbores' [patent_app_type] => utility [patent_app_number] => 11/624753 [patent_app_country] => US [patent_app_date] => 2007-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 19501 [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/A1/0114/20070114019.pdf [firstpage_image] =>[orig_patent_app_number] => 11624753 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/624753
Annular isolators for expandable tubulars in wellbores Jan 18, 2007 Issued
Array ( [id] => 5092409 [patent_doc_number] => 20070114018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Annular Isolators for Expandable Tubulars in Wellbores' [patent_app_type] => utility [patent_app_number] => 11/624751 [patent_app_country] => US [patent_app_date] => 2007-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 19501 [patent_no_of_claims] => 13 [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/A1/0114/20070114018.pdf [firstpage_image] =>[orig_patent_app_number] => 11624751 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/624751
Annular Isolators for Expandable Tubulars in Wellbores Jan 18, 2007 Abandoned
Array ( [id] => 5092432 [patent_doc_number] => 20070114041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Coiled tubing/top drive rig and method' [patent_app_type] => utility [patent_app_number] => 11/653674 [patent_app_country] => US [patent_app_date] => 2007-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7529 [patent_no_of_claims] => 42 [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/A1/0114/20070114041.pdf [firstpage_image] =>[orig_patent_app_number] => 11653674 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/653674
Coiled tubing/top drive rig and method Jan 15, 2007 Issued
Array ( [id] => 329166 [patent_doc_number] => 07510018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-03-31 [patent_title] => 'Convertible seal' [patent_app_type] => utility [patent_app_number] => 11/623141 [patent_app_country] => US [patent_app_date] => 2007-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3979 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/510/07510018.pdf [firstpage_image] =>[orig_patent_app_number] => 11623141 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/623141
Convertible seal Jan 14, 2007 Issued
Array ( [id] => 4924666 [patent_doc_number] => 20080164029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-10 [patent_title] => 'Apparatus and method for forming multiple plugs in a wellbore' [patent_app_type] => utility [patent_app_number] => 11/651333 [patent_app_country] => US [patent_app_date] => 2007-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2778 [patent_no_of_claims] => 25 [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/A1/0164/20080164029.pdf [firstpage_image] =>[orig_patent_app_number] => 11651333 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/651333
Apparatus and method for forming multiple plugs in a wellbore Jan 8, 2007 Issued
Array ( [id] => 109015 [patent_doc_number] => 07717181 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-18 [patent_title] => 'Artificial lift system' [patent_app_type] => utility [patent_app_number] => 11/621313 [patent_app_country] => US [patent_app_date] => 2007-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 9561 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/717/07717181.pdf [firstpage_image] =>[orig_patent_app_number] => 11621313 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/621313
Artificial lift system Jan 8, 2007 Issued
Array ( [id] => 4967908 [patent_doc_number] => 20070107910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-17 [patent_title] => 'Hybrid wellhead system and method of use' [patent_app_type] => utility [patent_app_number] => 11/650631 [patent_app_country] => US [patent_app_date] => 2007-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 7246 [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/A1/0107/20070107910.pdf [firstpage_image] =>[orig_patent_app_number] => 11650631 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/650631
Hybrid wellhead system and method of use Jan 7, 2007 Issued
Array ( [id] => 321388 [patent_doc_number] => 07516796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-14 [patent_title] => 'Piston pump assembly with flexible riser pipe' [patent_app_type] => utility [patent_app_number] => 11/650911 [patent_app_country] => US [patent_app_date] => 2007-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2807 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/516/07516796.pdf [firstpage_image] =>[orig_patent_app_number] => 11650911 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/650911
Piston pump assembly with flexible riser pipe Jan 4, 2007 Issued
Array ( [id] => 4748466 [patent_doc_number] => 20080156536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'Apparatus and Method for Vibrating a Drill Bit' [patent_app_type] => utility [patent_app_number] => 11/619418 [patent_app_country] => US [patent_app_date] => 2007-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4420 [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/A1/0156/20080156536.pdf [firstpage_image] =>[orig_patent_app_number] => 11619418 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/619418
Apparatus and method for vibrating a drill bit Jan 2, 2007 Issued
Array ( [id] => 4748465 [patent_doc_number] => 20080156535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'WELLBORE TREATMENT APPARATUS AND METHOD' [patent_app_type] => utility [patent_app_number] => 11/618091 [patent_app_country] => US [patent_app_date] => 2006-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1631 [patent_no_of_claims] => 14 [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/A1/0156/20080156535.pdf [firstpage_image] =>[orig_patent_app_number] => 11618091 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/618091
Wellbore treatment apparatus and method Dec 28, 2006 Issued
Array ( [id] => 358660 [patent_doc_number] => 07484578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-02-03 [patent_title] => 'Hole coring system' [patent_app_type] => utility [patent_app_number] => 11/646761 [patent_app_country] => US [patent_app_date] => 2006-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 23 [patent_no_of_words] => 9270 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/484/07484578.pdf [firstpage_image] =>[orig_patent_app_number] => 11646761 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/646761
Hole coring system Dec 26, 2006 Issued
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