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] => 7974357 [patent_doc_number] => 08069923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-06 [patent_title] => 'Top suction fluid end' [patent_app_type] => utility [patent_app_number] => 12/190411 [patent_app_country] => US [patent_app_date] => 2008-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 6139 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/069/08069923.pdf [firstpage_image] =>[orig_patent_app_number] => 12190411 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/190411
Top suction fluid end Aug 11, 2008 Issued
Array ( [id] => 5460940 [patent_doc_number] => 20090321140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-31 [patent_title] => 'REAMER AND METHODS FOR DIRECTIONAL DRILLING' [patent_app_type] => utility [patent_app_number] => 12/187521 [patent_app_country] => US [patent_app_date] => 2008-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6834 [patent_no_of_claims] => 16 [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/A1/0321/20090321140.pdf [firstpage_image] =>[orig_patent_app_number] => 12187521 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/187521
Reamer and methods for directional drilling Aug 6, 2008 Issued
Array ( [id] => 6592974 [patent_doc_number] => 20100032214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-11 [patent_title] => 'Composite Enhanced Metallic Drilling Riser System' [patent_app_type] => utility [patent_app_number] => 12/187831 [patent_app_country] => US [patent_app_date] => 2008-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2271 [patent_no_of_claims] => 20 [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/A1/0032/20100032214.pdf [firstpage_image] =>[orig_patent_app_number] => 12187831 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/187831
Composite enhanced metallic drilling riser system Aug 6, 2008 Issued
Array ( [id] => 6246084 [patent_doc_number] => 20100025118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-04 [patent_title] => 'APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/184481 [patent_app_country] => US [patent_app_date] => 2008-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4428 [patent_no_of_claims] => 61 [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/A1/0025/20100025118.pdf [firstpage_image] =>[orig_patent_app_number] => 12184481 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/184481
APPARATUS Jul 31, 2008 Abandoned
Array ( [id] => 4550525 [patent_doc_number] => 07845417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-07 [patent_title] => 'Method of circulating while retrieving downhole tool in casing' [patent_app_type] => utility [patent_app_number] => 12/184851 [patent_app_country] => US [patent_app_date] => 2008-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3923 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/845/07845417.pdf [firstpage_image] =>[orig_patent_app_number] => 12184851 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/184851
Method of circulating while retrieving downhole tool in casing Jul 31, 2008 Issued
Array ( [id] => 4946446 [patent_doc_number] => 20080302572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-11 [patent_title] => 'Drill Bit Porting System' [patent_app_type] => utility [patent_app_number] => 12/178467 [patent_app_country] => US [patent_app_date] => 2008-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3263 [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/A1/0302/20080302572.pdf [firstpage_image] =>[orig_patent_app_number] => 12178467 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/178467
Drill bit porting system Jul 22, 2008 Issued
Array ( [id] => 4788841 [patent_doc_number] => 20080289814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-27 [patent_title] => 'Solid Expandable Tubular Members Formed From Very Low Carbon Steel and Method' [patent_app_type] => utility [patent_app_number] => 12/178485 [patent_app_country] => US [patent_app_date] => 2008-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4128 [patent_no_of_claims] => 20 [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/A1/0289/20080289814.pdf [firstpage_image] =>[orig_patent_app_number] => 12178485 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/178485
Solid expandable tubular members formed from very low carbon steel and method Jul 22, 2008 Issued
Array ( [id] => 4593884 [patent_doc_number] => 07980330 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-07-19 [patent_title] => 'Well tubular, retrievable joint strainer and method' [patent_app_type] => utility [patent_app_number] => 12/220181 [patent_app_country] => US [patent_app_date] => 2008-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2192 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/980/07980330.pdf [firstpage_image] =>[orig_patent_app_number] => 12220181 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/220181
Well tubular, retrievable joint strainer and method Jul 21, 2008 Issued
Array ( [id] => 4643032 [patent_doc_number] => 08020632 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-20 [patent_title] => 'Method and system for wellbore communication' [patent_app_type] => utility [patent_app_number] => 12/173707 [patent_app_country] => US [patent_app_date] => 2008-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 3352 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/020/08020632.pdf [firstpage_image] =>[orig_patent_app_number] => 12173707 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/173707
Method and system for wellbore communication Jul 14, 2008 Issued
Array ( [id] => 6457508 [patent_doc_number] => 20100006280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-14 [patent_title] => 'Downhole tool with multiple material retaining ring' [patent_app_type] => utility [patent_app_number] => 12/217840 [patent_app_country] => US [patent_app_date] => 2008-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2411 [patent_no_of_claims] => 22 [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/A1/0006/20100006280.pdf [firstpage_image] =>[orig_patent_app_number] => 12217840 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/217840
Downhole tool with multiple material retaining ring Jul 8, 2008 Issued
Array ( [id] => 5518004 [patent_doc_number] => 20090025985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-29 [patent_title] => 'Cutting element with canted interface surface and bit body incorporating the same' [patent_app_type] => utility [patent_app_number] => 12/217706 [patent_app_country] => US [patent_app_date] => 2008-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3815 [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/A1/0025/20090025985.pdf [firstpage_image] =>[orig_patent_app_number] => 12217706 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/217706
Cutting element with canted interface surface and bit body incorporating the same Jul 6, 2008 Issued
Array ( [id] => 4660343 [patent_doc_number] => 20080251250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-16 [patent_title] => 'Annular Isolators for Expandable Tubulars in Wellbores' [patent_app_type] => utility [patent_app_number] => 12/146401 [patent_app_country] => US [patent_app_date] => 2008-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 19541 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0251/20080251250.pdf [firstpage_image] =>[orig_patent_app_number] => 12146401 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/146401
Annular Isolators for Expandable Tubulars in Wellbores Jun 24, 2008 Abandoned
Array ( [id] => 6427199 [patent_doc_number] => 20100186945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-29 [patent_title] => 'MAGNET FIXING DEVICE IN A CLEANING TOOL' [patent_app_type] => utility [patent_app_number] => 12/665801 [patent_app_country] => US [patent_app_date] => 2008-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 984 [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/A1/0186/20100186945.pdf [firstpage_image] =>[orig_patent_app_number] => 12665801 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/665801
Magnet fixing device in a cleaning tool Jun 24, 2008 Issued
Array ( [id] => 5287603 [patent_doc_number] => 20090020333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-22 [patent_title] => 'MEASURING THE WEIGHT ON A DRILL BIT DURING DRILLING OPERATIONS USING COHERENT RADIATION' [patent_app_type] => utility [patent_app_number] => 12/127663 [patent_app_country] => US [patent_app_date] => 2008-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10126 [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/A1/0020/20090020333.pdf [firstpage_image] =>[orig_patent_app_number] => 12127663 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/127663
Measuring the weight on a drill bit during drilling operations using coherent radiation May 26, 2008 Issued
Array ( [id] => 347833 [patent_doc_number] => 07493945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-02-24 [patent_title] => 'Expandable packer with mounted exterior slips and seal' [patent_app_type] => utility [patent_app_number] => 12/098509 [patent_app_country] => US [patent_app_date] => 2008-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2652 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/493/07493945.pdf [firstpage_image] =>[orig_patent_app_number] => 12098509 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/098509
Expandable packer with mounted exterior slips and seal Apr 6, 2008 Issued
Array ( [id] => 4679306 [patent_doc_number] => 20080245532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-09 [patent_title] => 'APPARATUS AND METHODS OF MILLING A RESTRICTED CASING SHOE' [patent_app_type] => utility [patent_app_number] => 12/098341 [patent_app_country] => US [patent_app_date] => 2008-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3012 [patent_no_of_claims] => 18 [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/A1/0245/20080245532.pdf [firstpage_image] =>[orig_patent_app_number] => 12098341 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/098341
Apparatus and methods of milling a restricted casing shoe Apr 3, 2008 Issued
Array ( [id] => 4679349 [patent_doc_number] => 20080245575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-09 [patent_title] => 'Tubular running tool and method of using same' [patent_app_type] => utility [patent_app_number] => 12/080023 [patent_app_country] => US [patent_app_date] => 2008-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6327 [patent_no_of_claims] => 4 [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/A1/0245/20080245575.pdf [firstpage_image] =>[orig_patent_app_number] => 12080023 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/080023
Tubular running tool and method of using same Mar 30, 2008 Issued
Array ( [id] => 4679298 [patent_doc_number] => 20080245524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-09 [patent_title] => 'Tubular running tool and method of using same' [patent_app_type] => utility [patent_app_number] => 12/079988 [patent_app_country] => US [patent_app_date] => 2008-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6326 [patent_no_of_claims] => 4 [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/A1/0245/20080245524.pdf [firstpage_image] =>[orig_patent_app_number] => 12079988 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/079988
Tubular running tool and method of using same Mar 30, 2008 Abandoned
Array ( [id] => 4762273 [patent_doc_number] => 20080173482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-24 [patent_title] => 'Drill Bit' [patent_app_type] => utility [patent_app_number] => 12/057597 [patent_app_country] => US [patent_app_date] => 2008-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3385 [patent_no_of_claims] => 19 [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/A1/0173/20080173482.pdf [firstpage_image] =>[orig_patent_app_number] => 12057597 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/057597
Drill bit Mar 27, 2008 Issued
Array ( [id] => 4842690 [patent_doc_number] => 20080179098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-31 [patent_title] => 'Drill Bit Assembly for Directional Drilling' [patent_app_type] => utility [patent_app_number] => 12/053334 [patent_app_country] => US [patent_app_date] => 2008-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 7006 [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/A1/0179/20080179098.pdf [firstpage_image] =>[orig_patent_app_number] => 12053334 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/053334
Drill bit assembly for directional drilling Mar 20, 2008 Issued
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