Search

Hieu T Vo

Examiner (ID: 3472, Phone: (571)272-4854 , Office: P/3747 )

Most Active Art Unit
3747
Art Unit(s)
3402, 3747, 3754
Total Applications
2050
Issued Applications
1894
Pending Applications
64
Abandoned Applications
92

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6065013 [patent_doc_number] => 20110041484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-24 [patent_title] => 'EVAPORATION UNIT FOR PRODUCING GASEOUS AMMONIA AND DEVICE AND MOTOR VEHICLE HAVING AN EVAPORATION UNIT' [patent_app_type] => utility [patent_app_number] => 12/870954 [patent_app_country] => US [patent_app_date] => 2010-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5331 [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/A1/0041/20110041484.pdf [firstpage_image] =>[orig_patent_app_number] => 12870954 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/870954
Evaporation unit for producing gaseous ammonia and device and motor vehicle having an evaporation unit Aug 29, 2010 Issued
Array ( [id] => 6135154 [patent_doc_number] => 20110126524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-02 [patent_title] => 'ENGINE EXHAUST SYSTEM HAVING A PLURALITY OF DIESEL PARTICULATE FILTERS' [patent_app_type] => utility [patent_app_number] => 12/629591 [patent_app_country] => US [patent_app_date] => 2009-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2690 [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/A1/0126/20110126524.pdf [firstpage_image] =>[orig_patent_app_number] => 12629591 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/629591
Engine exhaust system having a plurality of diesel particulate filters Dec 1, 2009 Issued
Array ( [id] => 6191700 [patent_doc_number] => 20110023454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-03 [patent_title] => 'LATE POST INJECTION OF FUEL FOR PARTICULATE FILTER HEATING' [patent_app_type] => utility [patent_app_number] => 12/534023 [patent_app_country] => US [patent_app_date] => 2009-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5266 [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/A1/0023/20110023454.pdf [firstpage_image] =>[orig_patent_app_number] => 12534023 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/534023
Late post injection of fuel for particulate filter heating Jul 30, 2009 Issued
Array ( [id] => 6314938 [patent_doc_number] => 20100242446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-30 [patent_title] => 'Controlled catalytic converter heating' [patent_app_type] => utility [patent_app_number] => 12/382800 [patent_app_country] => US [patent_app_date] => 2009-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4642 [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/A1/0242/20100242446.pdf [firstpage_image] =>[orig_patent_app_number] => 12382800 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/382800
Controlled catalytic converter heating Mar 23, 2009 Abandoned
Array ( [id] => 6600666 [patent_doc_number] => 20100223921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-09 [patent_title] => 'HYDROCARBON RETAINING AND PURGING SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/396782 [patent_app_country] => US [patent_app_date] => 2009-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8046 [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/A1/0223/20100223921.pdf [firstpage_image] =>[orig_patent_app_number] => 12396782 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/396782
Hydrocarbon retaining and purging system Mar 2, 2009 Issued
Array ( [id] => 5510930 [patent_doc_number] => 20090211234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-27 [patent_title] => 'EXHAUST GAS PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/392546 [patent_app_country] => US [patent_app_date] => 2009-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5472 [patent_no_of_claims] => 5 [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/A1/0211/20090211234.pdf [firstpage_image] =>[orig_patent_app_number] => 12392546 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/392546
Exhaust gas purification device of internal combustion engine Feb 24, 2009 Issued
Array ( [id] => 5388005 [patent_doc_number] => 20090205317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'EXHAUST GAS CLEANING APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/389531 [patent_app_country] => US [patent_app_date] => 2009-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6482 [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/A1/0205/20090205317.pdf [firstpage_image] =>[orig_patent_app_number] => 12389531 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/389531
Exhaust gas cleaning apparatus for internal combustion engine Feb 19, 2009 Issued
Array ( [id] => 5961347 [patent_doc_number] => 20110146235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'ABNORMALITY DETECTION SYSTEM AND ABNORMALITY DETECTION METHOD FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/674445 [patent_app_country] => US [patent_app_date] => 2008-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8728 [patent_no_of_claims] => 12 [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/A1/0146/20110146235.pdf [firstpage_image] =>[orig_patent_app_number] => 12674445 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/674445
Abnormality detection system and abnormality detection method for internal combustion engine Dec 3, 2008 Issued
Array ( [id] => 8012207 [patent_doc_number] => 08099951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-24 [patent_title] => 'Dual bed catalyst system for NOx reduction in lean-burn engine exhaust' [patent_app_type] => utility [patent_app_number] => 12/276487 [patent_app_country] => US [patent_app_date] => 2008-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 19 [patent_no_of_words] => 5219 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/099/08099951.pdf [firstpage_image] =>[orig_patent_app_number] => 12276487 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/276487
Dual bed catalyst system for NOx reduction in lean-burn engine exhaust Nov 23, 2008 Issued
Array ( [id] => 5560536 [patent_doc_number] => 20090133388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-28 [patent_title] => 'Exhaust gas purification apparatus and exhaust gas purification method' [patent_app_type] => utility [patent_app_number] => 12/292617 [patent_app_country] => US [patent_app_date] => 2008-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 9104 [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/A1/0133/20090133388.pdf [firstpage_image] =>[orig_patent_app_number] => 12292617 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/292617
Exhaust gas purification apparatus and exhaust gas purification method Nov 20, 2008 Abandoned
Array ( [id] => 8078073 [patent_doc_number] => 08146348 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-03 [patent_title] => 'Exhaust emission control device' [patent_app_type] => utility [patent_app_number] => 12/274698 [patent_app_country] => US [patent_app_date] => 2008-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3661 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/146/08146348.pdf [firstpage_image] =>[orig_patent_app_number] => 12274698 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/274698
Exhaust emission control device Nov 19, 2008 Issued
Array ( [id] => 5560535 [patent_doc_number] => 20090133387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-28 [patent_title] => 'PARTICULATE MATTER TRAP FILTER REGENERATION TEMPERATURE CONTROL FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/273897 [patent_app_country] => US [patent_app_date] => 2008-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11109 [patent_no_of_claims] => 10 [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/A1/0133/20090133387.pdf [firstpage_image] =>[orig_patent_app_number] => 12273897 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/273897
PARTICULATE MATTER TRAP FILTER REGENERATION TEMPERATURE CONTROL FOR INTERNAL COMBUSTION ENGINE Nov 18, 2008 Abandoned
Array ( [id] => 5326644 [patent_doc_number] => 20090107121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-30 [patent_title] => 'Exhaust gas control apparatus for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/289239 [patent_app_country] => US [patent_app_date] => 2008-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 8016 [patent_no_of_claims] => 11 [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/A1/0107/20090107121.pdf [firstpage_image] =>[orig_patent_app_number] => 12289239 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/289239
Exhaust gas control apparatus for internal combustion engine Oct 22, 2008 Abandoned
Array ( [id] => 5581623 [patent_doc_number] => 20090100825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-23 [patent_title] => 'EXHAUST PURIFICATION APPARATUS FOR ENGINE' [patent_app_type] => utility [patent_app_number] => 12/251135 [patent_app_country] => US [patent_app_date] => 2008-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8897 [patent_no_of_claims] => 12 [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/A1/0100/20090100825.pdf [firstpage_image] =>[orig_patent_app_number] => 12251135 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/251135
Exhaust purification apparatus for engine Oct 13, 2008 Issued
Array ( [id] => 8304068 [patent_doc_number] => 08225594 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-24 [patent_title] => 'Control device of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/532846 [patent_app_country] => US [patent_app_date] => 2008-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 11746 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12532846 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/532846
Control device of an internal combustion engine Mar 13, 2008 Issued
Array ( [id] => 6360775 [patent_doc_number] => 20100313552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-16 [patent_title] => 'EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/521380 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8479 [patent_no_of_claims] => 6 [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/A1/0313/20100313552.pdf [firstpage_image] =>[orig_patent_app_number] => 12521380 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521380
EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE Dec 19, 2007 Abandoned
Array ( [id] => 5412415 [patent_doc_number] => 20090038302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-12 [patent_title] => 'EXHAUST GAS HEAT RECOVERY DEVICE' [patent_app_type] => utility [patent_app_number] => 12/293128 [patent_app_country] => US [patent_app_date] => 2007-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10977 [patent_no_of_claims] => 15 [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/A1/0038/20090038302.pdf [firstpage_image] =>[orig_patent_app_number] => 12293128 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/293128
Exhaust gas heat recovery device Mar 11, 2007 Issued
Array ( [id] => 6236904 [patent_doc_number] => 20100132339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-03 [patent_title] => 'EXHAUST GAS SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/441700 [patent_app_country] => US [patent_app_date] => 2007-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10207 [patent_no_of_claims] => 30 [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/A1/0132/20100132339.pdf [firstpage_image] =>[orig_patent_app_number] => 12441700 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/441700
EXHAUST GAS SYSTEM Feb 27, 2007 Abandoned
Array ( [id] => 6283906 [patent_doc_number] => 20100236509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-23 [patent_title] => 'HYDROGEN ENGINE USING A RECIRCULATING WORKING MEDIUM' [patent_app_type] => utility [patent_app_number] => 12/280207 [patent_app_country] => US [patent_app_date] => 2007-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 17775 [patent_no_of_claims] => 11 [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/A1/0236/20100236509.pdf [firstpage_image] =>[orig_patent_app_number] => 12280207 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/280207
Hydrogen engine using a recirculating working medium Feb 25, 2007 Issued
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