Search

Nguyen T. Ha

Examiner (ID: 16903, Phone: (571)272-1974 , Office: P/2848 )

Most Active Art Unit
2831
Art Unit(s)
2831, 2847, 2835, 2848
Total Applications
2035
Issued Applications
1842
Pending Applications
33
Abandoned Applications
162

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6026166 [patent_doc_number] => 20110079390 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-07 [patent_title] => 'CEMENTING SUB FOR ANNULUS CEMENTING' [patent_app_type] => utility [patent_app_number] => 12/995138 [patent_app_country] => US [patent_app_date] => 2009-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4216 [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/A1/0079/20110079390.pdf [firstpage_image] =>[orig_patent_app_number] => 12995138 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/995138
CEMENTING SUB FOR ANNULUS CEMENTING May 31, 2009 Abandoned
Array ( [id] => 6372331 [patent_doc_number] => 20100300702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-02 [patent_title] => 'Wellbore Shut Off Valve with Hydraulic Actuator System' [patent_app_type] => utility [patent_app_number] => 12/473118 [patent_app_country] => US [patent_app_date] => 2009-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3114 [patent_no_of_claims] => 15 [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/A1/0300/20100300702.pdf [firstpage_image] =>[orig_patent_app_number] => 12473118 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/473118
Wellbore Shut Off Valve with Hydraulic Actuator System May 26, 2009 Abandoned
Array ( [id] => 11332028 [patent_doc_number] => 09523266 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-12-20 [patent_title] => 'System to perforate a cemented liner having lines or tools outside the liner' [patent_app_type] => utility [patent_app_number] => 12/464438 [patent_app_country] => US [patent_app_date] => 2009-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 2817 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12464438 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/464438
System to perforate a cemented liner having lines or tools outside the liner May 11, 2009 Issued
Array ( [id] => 9942203 [patent_doc_number] => 08991489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-31 [patent_title] => 'Signal operated tools for milling, drilling, and/or fishing operations' [patent_app_type] => utility [patent_app_number] => 12/436077 [patent_app_country] => US [patent_app_date] => 2009-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 45 [patent_no_of_words] => 17901 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12436077 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/436077
Signal operated tools for milling, drilling, and/or fishing operations May 4, 2009 Issued
Array ( [id] => 9674969 [patent_doc_number] => 08813870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Arrangement and a method for monitoring an air flow in a drill rig' [patent_app_type] => utility [patent_app_number] => 12/736738 [patent_app_country] => US [patent_app_date] => 2009-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2504 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12736738 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/736738
Arrangement and a method for monitoring an air flow in a drill rig Apr 28, 2009 Issued
Array ( [id] => 6526051 [patent_doc_number] => 20100270031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-28 [patent_title] => 'DOWNHOLE DISSOLVABLE PLUG' [patent_app_type] => utility [patent_app_number] => 12/430298 [patent_app_country] => US [patent_app_date] => 2009-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7318 [patent_no_of_claims] => 20 [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/A1/0270/20100270031.pdf [firstpage_image] =>[orig_patent_app_number] => 12430298 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/430298
Downhole dissolvable plug Apr 26, 2009 Issued
Array ( [id] => 5954579 [patent_doc_number] => 20110180253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-28 [patent_title] => 'METHOD OF PRODUCING GASEOUS AND LIQUID COMPONENTS FROM ONE OR MORE MULTI-PHASE STREAMS AND APPARATUS THEREFOR' [patent_app_type] => utility [patent_app_number] => 12/989678 [patent_app_country] => US [patent_app_date] => 2009-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7991 [patent_no_of_claims] => 19 [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/A1/0180/20110180253.pdf [firstpage_image] =>[orig_patent_app_number] => 12989678 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/989678
Method of producing gaseous and liquid components from one or more multi-phase streams and apparatus therefor Apr 23, 2009 Issued
Array ( [id] => 10193410 [patent_doc_number] => 09222310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-29 [patent_title] => 'Method and apparatus for lateral well drilling with enhanced capability for clearing cuttings and other particles' [patent_app_type] => utility [patent_app_number] => 12/423538 [patent_app_country] => US [patent_app_date] => 2009-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 31 [patent_no_of_words] => 11497 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12423538 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/423538
Method and apparatus for lateral well drilling with enhanced capability for clearing cuttings and other particles Apr 13, 2009 Issued
Array ( [id] => 5536336 [patent_doc_number] => 20090218141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-03 [patent_title] => 'Method and System for Helicopter Portable Drilling' [patent_app_type] => utility [patent_app_number] => 12/420464 [patent_app_country] => US [patent_app_date] => 2009-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 3882 [patent_no_of_claims] => 3 [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/A1/0218/20090218141.pdf [firstpage_image] =>[orig_patent_app_number] => 12420464 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/420464
Method and System for Helicopter Portable Drilling Apr 7, 2009 Abandoned
Array ( [id] => 5536300 [patent_doc_number] => 20090218105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-03 [patent_title] => 'Hydraulically Driven Tandem Tractor Assembly' [patent_app_type] => utility [patent_app_number] => 12/419375 [patent_app_country] => US [patent_app_date] => 2009-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4981 [patent_no_of_claims] => 23 [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/A1/0218/20090218105.pdf [firstpage_image] =>[orig_patent_app_number] => 12419375 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/419375
Hydraulically driven tandem tractor assembly Apr 6, 2009 Issued
Array ( [id] => 6262447 [patent_doc_number] => 20100252325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-07 [patent_title] => 'METHODS FOR DETERMINING MECHANICAL SPECIFIC ENERGY FOR WELLBORE OPERATIONS' [patent_app_type] => utility [patent_app_number] => 12/416998 [patent_app_country] => US [patent_app_date] => 2009-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5994 [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/A1/0252/20100252325.pdf [firstpage_image] =>[orig_patent_app_number] => 12416998 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/416998
METHODS FOR DETERMINING MECHANICAL SPECIFIC ENERGY FOR WELLBORE OPERATIONS Apr 1, 2009 Abandoned
Array ( [id] => 6003140 [patent_doc_number] => 20110056700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-10 [patent_title] => 'SYSTEM AND METHOD FOR RECOMPLETION OF OLD WELLS' [patent_app_type] => utility [patent_app_number] => 12/935958 [patent_app_country] => US [patent_app_date] => 2009-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3746 [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/A1/0056/20110056700.pdf [firstpage_image] =>[orig_patent_app_number] => 12935958 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/935958
SYSTEM AND METHOD FOR RECOMPLETION OF OLD WELLS Mar 31, 2009 Abandoned
Array ( [id] => 6583748 [patent_doc_number] => 20100000741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-07 [patent_title] => 'Method and apparatus to remove composite frac plugs from casings in oil and gas wells' [patent_app_type] => utility [patent_app_number] => 12/384024 [patent_app_country] => US [patent_app_date] => 2009-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3586 [patent_no_of_claims] => 1 [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/A1/0000/20100000741.pdf [firstpage_image] =>[orig_patent_app_number] => 12384024 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/384024
Method and apparatus to remove composite frac plugs from casings in oil and gas wells Mar 30, 2009 Issued
Array ( [id] => 9674937 [patent_doc_number] => 08813837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member' [patent_app_type] => utility [patent_app_number] => 12/415198 [patent_app_country] => US [patent_app_date] => 2009-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4691 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12415198 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/415198
Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member Mar 30, 2009 Issued
Array ( [id] => 11657743 [patent_doc_number] => 09670735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-06 [patent_title] => 'System and method for one-trip hole enlargement operations' [patent_app_type] => utility [patent_app_number] => 12/934918 [patent_app_country] => US [patent_app_date] => 2009-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4083 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12934918 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/934918
System and method for one-trip hole enlargement operations Mar 26, 2009 Issued
Array ( [id] => 6317905 [patent_doc_number] => 20100243254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-30 [patent_title] => 'METHOD AND APPARATUS FOR ISOLATING AND TREATING DISCRETE ZONES WITHIN A WELLBORE' [patent_app_type] => utility [patent_app_number] => 12/411338 [patent_app_country] => US [patent_app_date] => 2009-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 17383 [patent_no_of_claims] => 25 [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/A1/0243/20100243254.pdf [firstpage_image] =>[orig_patent_app_number] => 12411338 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/411338
Method and apparatus for isolating and treating discrete zones within a wellbore Mar 24, 2009 Issued
Array ( [id] => 6284600 [patent_doc_number] => 20100236835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-23 [patent_title] => 'Percussion Drilling Assembly and Locking System Therefor' [patent_app_type] => utility [patent_app_number] => 12/407338 [patent_app_country] => US [patent_app_date] => 2009-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 10901 [patent_no_of_claims] => 26 [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/A1/0236/20100236835.pdf [firstpage_image] =>[orig_patent_app_number] => 12407338 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/407338
Percussion drilling assembly and locking system therefor Mar 18, 2009 Issued
Array ( [id] => 5530098 [patent_doc_number] => 20090229886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-17 [patent_title] => 'Non-Grease Type Bearing Lubricant' [patent_app_type] => utility [patent_app_number] => 12/402198 [patent_app_country] => US [patent_app_date] => 2009-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1946 [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/A1/0229/20090229886.pdf [firstpage_image] =>[orig_patent_app_number] => 12402198 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/402198
Non-Grease Type Bearing Lubricant Mar 10, 2009 Abandoned
Array ( [id] => 11902335 [patent_doc_number] => 09771760 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-09-26 [patent_title] => 'Rotational drill bits and drilling apparatuses including the same' [patent_app_type] => utility [patent_app_number] => 12/400678 [patent_app_country] => US [patent_app_date] => 2009-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 8164 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12400678 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/400678
Rotational drill bits and drilling apparatuses including the same Mar 8, 2009 Issued
Array ( [id] => 9226220 [patent_doc_number] => 08631883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-21 [patent_title] => 'Sectorial force balancing of drill bits' [patent_app_type] => utility [patent_app_number] => 12/399478 [patent_app_country] => US [patent_app_date] => 2009-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5892 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 12399478 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/399478
Sectorial force balancing of drill bits Mar 5, 2009 Issued
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