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] => 5144951 [patent_doc_number] => 20070045005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-01 [patent_title] => 'Rotary coring device and method for acquiring a sidewall core from an earth formation' [patent_app_type] => utility [patent_app_number] => 11/215271 [patent_app_country] => US [patent_app_date] => 2005-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4661 [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/A1/0045/20070045005.pdf [firstpage_image] =>[orig_patent_app_number] => 11215271 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/215271
Rotary coring device and method for acquiring a sidewall core from an earth formation Aug 29, 2005 Issued
Array ( [id] => 6974946 [patent_doc_number] => 20050284661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-29 [patent_title] => 'Method and system for predicting performance of a drilling system for a given formation' [patent_app_type] => utility [patent_app_number] => 11/215673 [patent_app_country] => US [patent_app_date] => 2005-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 20079 [patent_no_of_claims] => 44 [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/A1/0284/20050284661.pdf [firstpage_image] =>[orig_patent_app_number] => 11215673 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/215673
Method and system for predicting performance of a drilling system for a given formation Aug 29, 2005 Issued
Array ( [id] => 5897604 [patent_doc_number] => 20060042837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-02 [patent_title] => 'Maintaining carburized case during neutral to the core heat treatment processes' [patent_app_type] => utility [patent_app_number] => 11/211261 [patent_app_country] => US [patent_app_date] => 2005-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4217 [patent_no_of_claims] => 26 [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/A1/0042/20060042837.pdf [firstpage_image] =>[orig_patent_app_number] => 11211261 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/211261
Maintaining carburized case during neutral to the core heat treatment processes Aug 24, 2005 Issued
Array ( [id] => 5588328 [patent_doc_number] => 20060037779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-23 [patent_title] => 'Pulsed electric rock drilling apparatus' [patent_app_type] => utility [patent_app_number] => 11/208671 [patent_app_country] => US [patent_app_date] => 2005-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 34 [patent_no_of_words] => 13132 [patent_no_of_claims] => 45 [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/A1/0037/20060037779.pdf [firstpage_image] =>[orig_patent_app_number] => 11208671 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/208671
Pulsed electric rock drilling apparatus Aug 18, 2005 Issued
Array ( [id] => 4997102 [patent_doc_number] => 20070039736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-22 [patent_title] => 'Communicating fluids with a heated-fluid generation system' [patent_app_type] => utility [patent_app_number] => 11/205871 [patent_app_country] => US [patent_app_date] => 2005-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5347 [patent_no_of_claims] => 24 [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/A1/0039/20070039736.pdf [firstpage_image] =>[orig_patent_app_number] => 11205871 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/205871
Communicating fluids with a heated-fluid generation system Aug 16, 2005 Issued
Array ( [id] => 4543495 [patent_doc_number] => 07836977 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-23 [patent_title] => 'Method of drilling a well at or under balance using a electrical submersible pump' [patent_app_type] => utility [patent_app_number] => 11/661301 [patent_app_country] => US [patent_app_date] => 2005-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 2193 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/836/07836977.pdf [firstpage_image] =>[orig_patent_app_number] => 11661301 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/661301
Method of drilling a well at or under balance using a electrical submersible pump Aug 14, 2005 Issued
Array ( [id] => 4929870 [patent_doc_number] => 20080000645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-03 [patent_title] => 'Radial Expansion System' [patent_app_type] => utility [patent_app_number] => 11/573309 [patent_app_country] => US [patent_app_date] => 2005-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 13551 [patent_no_of_claims] => 13 [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/A1/0000/20080000645.pdf [firstpage_image] =>[orig_patent_app_number] => 11573309 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/573309
Radial Expansion System Aug 10, 2005 Abandoned
Array ( [id] => 4883210 [patent_doc_number] => 20080257542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-23 [patent_title] => 'Low Carbon Steel Expandable Tubular' [patent_app_type] => utility [patent_app_number] => 11/573465 [patent_app_country] => US [patent_app_date] => 2005-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 16975 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0257/20080257542.pdf [firstpage_image] =>[orig_patent_app_number] => 11573465 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/573465
Low Carbon Steel Expandable Tubular Aug 10, 2005 Abandoned
Array ( [id] => 8231231 [patent_doc_number] => 08196652 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-12 [patent_title] => 'Radial expansion system' [patent_app_type] => utility [patent_app_number] => 11/573482 [patent_app_country] => US [patent_app_date] => 2005-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 87 [patent_figures_cnt] => 97 [patent_no_of_words] => 60177 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/196/08196652.pdf [firstpage_image] =>[orig_patent_app_number] => 11573482 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/573482
Radial expansion system Aug 10, 2005 Issued
Array ( [id] => 611666 [patent_doc_number] => 07147058 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-12-12 [patent_title] => 'Method of and system for production of hydrocarbons' [patent_app_type] => utility [patent_app_number] => 11/199781 [patent_app_country] => US [patent_app_date] => 2005-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3210 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/147/07147058.pdf [firstpage_image] =>[orig_patent_app_number] => 11199781 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/199781
Method of and system for production of hydrocarbons Aug 8, 2005 Issued
Array ( [id] => 832370 [patent_doc_number] => 07395880 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-07-08 [patent_title] => 'Mortar removal drill bit system' [patent_app_type] => utility [patent_app_number] => 11/198531 [patent_app_country] => US [patent_app_date] => 2005-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1133 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/395/07395880.pdf [firstpage_image] =>[orig_patent_app_number] => 11198531 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/198531
Mortar removal drill bit system Aug 7, 2005 Issued
Array ( [id] => 815653 [patent_doc_number] => 07409999 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-12 [patent_title] => 'Downhole inflow control device with shut-off feature' [patent_app_type] => utility [patent_app_number] => 11/193182 [patent_app_country] => US [patent_app_date] => 2005-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 4395 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/409/07409999.pdf [firstpage_image] =>[orig_patent_app_number] => 11193182 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/193182
Downhole inflow control device with shut-off feature Jul 28, 2005 Issued
Array ( [id] => 635955 [patent_doc_number] => 07124830 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-24 [patent_title] => 'Methods of placing expandable downhole tubing in a wellbore' [patent_app_type] => utility [patent_app_number] => 11/189440 [patent_app_country] => US [patent_app_date] => 2005-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2825 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/124/07124830.pdf [firstpage_image] =>[orig_patent_app_number] => 11189440 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/189440
Methods of placing expandable downhole tubing in a wellbore Jul 25, 2005 Issued
Array ( [id] => 7210998 [patent_doc_number] => 20050252662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-17 [patent_title] => 'Apparatus and method for expanding a tubular' [patent_app_type] => utility [patent_app_number] => 11/183574 [patent_app_country] => US [patent_app_date] => 2005-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2003 [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/A1/0252/20050252662.pdf [firstpage_image] =>[orig_patent_app_number] => 11183574 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/183574
Apparatus and method for expanding a tubular Jul 17, 2005 Issued
Array ( [id] => 5072459 [patent_doc_number] => 20070012434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Safety valve apparatus for downhole pressure transmission systems' [patent_app_type] => utility [patent_app_number] => 11/182641 [patent_app_country] => US [patent_app_date] => 2005-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6386 [patent_no_of_claims] => 31 [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/A1/0012/20070012434.pdf [firstpage_image] =>[orig_patent_app_number] => 11182641 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/182641
Safety valve apparatus for downhole pressure transmission systems Jul 14, 2005 Issued
Array ( [id] => 915025 [patent_doc_number] => 07322413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-29 [patent_title] => 'Equalizer valve assembly' [patent_app_type] => utility [patent_app_number] => 11/182401 [patent_app_country] => US [patent_app_date] => 2005-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4371 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/322/07322413.pdf [firstpage_image] =>[orig_patent_app_number] => 11182401 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/182401
Equalizer valve assembly Jul 14, 2005 Issued
Array ( [id] => 5789876 [patent_doc_number] => 20060011389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-19 [patent_title] => 'Downhole tool' [patent_app_type] => utility [patent_app_number] => 11/182441 [patent_app_country] => US [patent_app_date] => 2005-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4518 [patent_no_of_claims] => 24 [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/A1/0011/20060011389.pdf [firstpage_image] =>[orig_patent_app_number] => 11182441 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/182441
Downhole tool Jul 14, 2005 Issued
Array ( [id] => 5072485 [patent_doc_number] => 20070012460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Hydrostatic-set open hole packer with electric, hydraulic and/or optical feed throughs' [patent_app_type] => utility [patent_app_number] => 11/180150 [patent_app_country] => US [patent_app_date] => 2005-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2818 [patent_no_of_claims] => 18 [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/A1/0012/20070012460.pdf [firstpage_image] =>[orig_patent_app_number] => 11180150 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/180150
Hydrostatic-set open hole packer with electric, hydraulic and/or optical feed throughs Jul 12, 2005 Abandoned
Array ( [id] => 4991672 [patent_doc_number] => 20070007016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-11 [patent_title] => 'Apparatus and methods for activating a downhole tool' [patent_app_type] => utility [patent_app_number] => 11/176091 [patent_app_country] => US [patent_app_date] => 2005-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2028 [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/A1/0007/20070007016.pdf [firstpage_image] =>[orig_patent_app_number] => 11176091 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/176091
Apparatus and methods for activating a downhole tool Jul 6, 2005 Abandoned
Array ( [id] => 677603 [patent_doc_number] => 07083010 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-08-01 [patent_title] => 'Apparatus and method for drilling and reaming a borehole' [patent_app_type] => utility [patent_app_number] => 11/173102 [patent_app_country] => US [patent_app_date] => 2005-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 12345 [patent_no_of_claims] => 29 [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/07/083/07083010.pdf [firstpage_image] =>[orig_patent_app_number] => 11173102 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/173102
Apparatus and method for drilling and reaming a borehole Jun 30, 2005 Issued
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