Search

Hoang C Dang

Examiner (ID: 4633)

Most Active Art Unit
3506
Art Unit(s)
2731, 3506, 3672, 3625
Total Applications
3000
Issued Applications
2548
Pending Applications
156
Abandoned Applications
295

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1273873 [patent_doc_number] => 06640892 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-11-04 [patent_title] => 'Tubing string rotator' [patent_app_type] => B1 [patent_app_number] => 10/158891 [patent_app_country] => US [patent_app_date] => 2002-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3295 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/640/06640892.pdf [firstpage_image] =>[orig_patent_app_number] => 10158891 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/158891
Tubing string rotator Jun 2, 2002 Issued
Array ( [id] => 6488034 [patent_doc_number] => 20020189803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-19 [patent_title] => 'Subsurface signal transmitting apparatus' [patent_app_type] => new [patent_app_number] => 10/161310 [patent_app_country] => US [patent_app_date] => 2002-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5957 [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/A1/0189/20020189803.pdf [firstpage_image] =>[orig_patent_app_number] => 10161310 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/161310
Subsurface signal transmitting apparatus Jun 2, 2002 Issued
Array ( [id] => 6718230 [patent_doc_number] => 20030051917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-20 [patent_title] => 'Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation' [patent_app_type] => new [patent_app_number] => 10/162413 [patent_app_country] => US [patent_app_date] => 2002-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4501 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0051/20030051917.pdf [firstpage_image] =>[orig_patent_app_number] => 10162413 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/162413
Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation Jun 2, 2002 Abandoned
Array ( [id] => 6872393 [patent_doc_number] => 20030192690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-16 [patent_title] => 'Apparatus and method for detecting the launch of a device in oilfield applications' [patent_app_type] => new [patent_app_number] => 10/154435 [patent_app_country] => US [patent_app_date] => 2002-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3917 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0192/20030192690.pdf [firstpage_image] =>[orig_patent_app_number] => 10154435 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/154435
Apparatus and method for detecting the launch of a device in oilfield applications May 21, 2002 Issued
Array ( [id] => 1253542 [patent_doc_number] => 06666273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-23 [patent_title] => 'Valve assembly for use in a wellbore' [patent_app_type] => B2 [patent_app_number] => 10/142651 [patent_app_country] => US [patent_app_date] => 2002-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5454 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/666/06666273.pdf [firstpage_image] =>[orig_patent_app_number] => 10142651 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/142651
Valve assembly for use in a wellbore May 9, 2002 Issued
Array ( [id] => 1008426 [patent_doc_number] => 06899182 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-31 [patent_title] => 'Method of screen or pipe expansion downhole without addition of pipe at the surface' [patent_app_type] => utility [patent_app_number] => 10/141401 [patent_app_country] => US [patent_app_date] => 2002-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 1914 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/899/06899182.pdf [firstpage_image] =>[orig_patent_app_number] => 10141401 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/141401
Method of screen or pipe expansion downhole without addition of pipe at the surface May 7, 2002 Issued
Array ( [id] => 6605483 [patent_doc_number] => 20030209366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-13 [patent_title] => 'Rotatable point-attack bit with protective body' [patent_app_type] => new [patent_app_number] => 10/139541 [patent_app_country] => US [patent_app_date] => 2002-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1471 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0209/20030209366.pdf [firstpage_image] =>[orig_patent_app_number] => 10139541 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/139541
Rotatable point-attack bit with protective body May 6, 2002 Abandoned
Array ( [id] => 6379617 [patent_doc_number] => 20020179304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-05 [patent_title] => 'Downhole fluid disposal apparatus and methods' [patent_app_type] => new [patent_app_number] => 10/137224 [patent_app_country] => US [patent_app_date] => 2002-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11448 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20020179304.pdf [firstpage_image] =>[orig_patent_app_number] => 10137224 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/137224
Downhole fluid disposal apparatus and methods May 1, 2002 Issued
Array ( [id] => 770651 [patent_doc_number] => 07000695 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-21 [patent_title] => 'Expanding wellbore junction' [patent_app_type] => utility [patent_app_number] => 10/137611 [patent_app_country] => US [patent_app_date] => 2002-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5647 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/000/07000695.pdf [firstpage_image] =>[orig_patent_app_number] => 10137611 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/137611
Expanding wellbore junction May 1, 2002 Issued
Array ( [id] => 937466 [patent_doc_number] => 06971459 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-12-06 [patent_title] => 'Stabilizing system and methods for a drill bit' [patent_app_type] => utility [patent_app_number] => 10/135201 [patent_app_country] => US [patent_app_date] => 2002-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 6070 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/971/06971459.pdf [firstpage_image] =>[orig_patent_app_number] => 10135201 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/135201
Stabilizing system and methods for a drill bit Apr 29, 2002 Issued
Array ( [id] => 5916985 [patent_doc_number] => 20020112897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-22 [patent_title] => 'Superabrasive cutter with arcuate table-to-substrate interfaces' [patent_app_type] => new [patent_app_number] => 10/132853 [patent_app_country] => US [patent_app_date] => 2002-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4340 [patent_no_of_claims] => 59 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0112/20020112897.pdf [firstpage_image] =>[orig_patent_app_number] => 10132853 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/132853
Superabrasive cutters with arcuate table-to-substrate interfaces and drill bits so equipped Apr 24, 2002 Issued
Array ( [id] => 5924974 [patent_doc_number] => 20020116130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-22 [patent_title] => 'Lockable motor drive' [patent_app_type] => new [patent_app_number] => 10/128381 [patent_app_country] => US [patent_app_date] => 2002-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10767 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0116/20020116130.pdf [firstpage_image] =>[orig_patent_app_number] => 10128381 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/128381
Lockable motor drive Apr 22, 2002 Issued
Array ( [id] => 992629 [patent_doc_number] => 06915849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-12 [patent_title] => 'Apparatus and methods for conveying instrumentation within a borehole using continuous sucker rod' [patent_app_type] => utility [patent_app_number] => 10/127021 [patent_app_country] => US [patent_app_date] => 2002-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2935 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/915/06915849.pdf [firstpage_image] =>[orig_patent_app_number] => 10127021 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/127021
Apparatus and methods for conveying instrumentation within a borehole using continuous sucker rod Apr 18, 2002 Issued
Array ( [id] => 6517577 [patent_doc_number] => 20020108783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-15 [patent_title] => 'Well drilling method and system' [patent_app_type] => new [patent_app_number] => 10/124491 [patent_app_country] => US [patent_app_date] => 2002-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5285 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0108/20020108783.pdf [firstpage_image] =>[orig_patent_app_number] => 10124491 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/124491
Well drilling method and system Apr 16, 2002 Issued
Array ( [id] => 6872402 [patent_doc_number] => 20030192699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-16 [patent_title] => 'Expandable float shoe and associated methods' [patent_app_type] => new [patent_app_number] => 10/121471 [patent_app_country] => US [patent_app_date] => 2002-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3689 [patent_no_of_claims] => 68 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0192/20030192699.pdf [firstpage_image] =>[orig_patent_app_number] => 10121471 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/121471
Expandable float shoe and associated methods Apr 10, 2002 Issued
Array ( [id] => 6872398 [patent_doc_number] => 20030192695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-16 [patent_title] => 'Apparatus and method of detecting interfaces between well fluids' [patent_app_type] => new [patent_app_number] => 10/120201 [patent_app_country] => US [patent_app_date] => 2002-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5068 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0192/20030192695.pdf [firstpage_image] =>[orig_patent_app_number] => 10120201 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/120201
Apparatus and method of detecting interfaces between well fluids Apr 9, 2002 Issued
Array ( [id] => 966568 [patent_doc_number] => 06942036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-09-13 [patent_title] => 'Treating apparatus and method for expandable screen system' [patent_app_type] => utility [patent_app_number] => 10/118841 [patent_app_country] => US [patent_app_date] => 2002-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1329 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/942/06942036.pdf [firstpage_image] =>[orig_patent_app_number] => 10118841 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/118841
Treating apparatus and method for expandable screen system Apr 8, 2002 Issued
Array ( [id] => 6680464 [patent_doc_number] => 20030116328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-26 [patent_title] => 'Expandable packer with anchoring feature' [patent_app_type] => new [patent_app_number] => 10/117521 [patent_app_country] => US [patent_app_date] => 2002-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 3583 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0116/20030116328.pdf [firstpage_image] =>[orig_patent_app_number] => 10117521 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/117521
Expandable packer with anchoring feature Apr 4, 2002 Issued
Array ( [id] => 6010786 [patent_doc_number] => 20020100169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-01 [patent_title] => 'Methods of completing a subterranean well' [patent_app_type] => new [patent_app_number] => 10/109154 [patent_app_country] => US [patent_app_date] => 2002-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3555 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0100/20020100169.pdf [firstpage_image] =>[orig_patent_app_number] => 10109154 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/109154
Methods of completing a subterranean well Mar 27, 2002 Issued
90/006251 PIPE HANDLING DEVICE Mar 18, 2002 Issued
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