Search

Sunray Chang

Examiner (ID: 17547, Phone: (571)272-3682 , Office: P/2121 )

Most Active Art Unit
2121
Art Unit(s)
2121
Total Applications
427
Issued Applications
241
Pending Applications
14
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11450852 [patent_doc_number] => 09574484 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-02-21 [patent_title] => 'Engine control for diesel particulate filter efficiency assessment' [patent_app_type] => utility [patent_app_number] => 14/950061 [patent_app_country] => US [patent_app_date] => 2015-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4178 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14950061 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/950061
Engine control for diesel particulate filter efficiency assessment Nov 23, 2015 Issued
Array ( [id] => 11685491 [patent_doc_number] => 09683528 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-20 [patent_title] => 'Apparatus for cooling vehicle intake air temperature and method using the same' [patent_app_type] => utility [patent_app_number] => 14/948037 [patent_app_country] => US [patent_app_date] => 2015-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3356 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14948037 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/948037
Apparatus for cooling vehicle intake air temperature and method using the same Nov 19, 2015 Issued
Array ( [id] => 11649989 [patent_doc_number] => 20170145890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-25 [patent_title] => 'Combustion Engine Exhaust Treatment Systems and Methods' [patent_app_type] => utility [patent_app_number] => 14/946560 [patent_app_country] => US [patent_app_date] => 2015-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5819 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14946560 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/946560
Combustion Engine Exhaust Treatment Systems and Methods Nov 18, 2015 Abandoned
Array ( [id] => 10792342 [patent_doc_number] => 20160138498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-19 [patent_title] => 'INTERNAL COMBUSTION ENGINE PROVIDED WITH A SELECTIVE CATALYTIC REDUCTION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/942194 [patent_app_country] => US [patent_app_date] => 2015-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6435 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14942194 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/942194
Internal combustion engine provided with a selective catalytic reduction system Nov 15, 2015 Issued
Array ( [id] => 12024352 [patent_doc_number] => 20170314450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-02 [patent_title] => 'METHOD OF DETERMINING ARRANGEMENT POSITION OF SPHERICAL JOINT FOR CONNECTING EXHAUST PIPES TO EACH OTHER IN EXHAUST SYSTEM, AND EXHAUST SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/526077 [patent_app_country] => US [patent_app_date] => 2015-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5114 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15526077 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/526077
Method of determining arrangement position of spherical joint for connecting exhaust pipes to each other in exhaust system, and exhaust system Nov 15, 2015 Issued
Array ( [id] => 12113237 [patent_doc_number] => 09869221 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-16 [patent_title] => 'Catalytic converter for vehicle' [patent_app_type] => utility [patent_app_number] => 14/940978 [patent_app_country] => US [patent_app_date] => 2015-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4721 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14940978 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/940978
Catalytic converter for vehicle Nov 12, 2015 Issued
Array ( [id] => 12051917 [patent_doc_number] => 20170328261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'EXHAUST POSTPROCESSING COMPONENT' [patent_app_type] => utility [patent_app_number] => 15/528430 [patent_app_country] => US [patent_app_date] => 2015-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 4112 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15528430 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/528430
Exhaust postprocessing component Nov 11, 2015 Issued
Array ( [id] => 12038203 [patent_doc_number] => 09816427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-14 [patent_title] => 'Catalytic converter device for a stationary internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/935630 [patent_app_country] => US [patent_app_date] => 2015-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 3991 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14935630 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/935630
Catalytic converter device for a stationary internal combustion engine Nov 8, 2015 Issued
Array ( [id] => 11635658 [patent_doc_number] => 09657618 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-05-23 [patent_title] => 'Aftertreatment system for engine' [patent_app_type] => utility [patent_app_number] => 14/930820 [patent_app_country] => US [patent_app_date] => 2015-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4019 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14930820 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/930820
Aftertreatment system for engine Nov 2, 2015 Issued
Array ( [id] => 13676475 [patent_doc_number] => 20160376971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => THERMOELECTRIC ELEMENT OF VEHICLE EXHAUST SYSTEM [patent_app_type] => utility [patent_app_number] => 14/930104 [patent_app_country] => US [patent_app_date] => 2015-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14930104 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/930104
THERMOELECTRIC ELEMENT OF VEHICLE EXHAUST SYSTEM Nov 1, 2015 Abandoned
Array ( [id] => 16199263 [patent_doc_number] => 10724416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => Exhaust heat recovery device [patent_app_type] => utility [patent_app_number] => 15/532227 [patent_app_country] => US [patent_app_date] => 2015-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5671 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15532227 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/532227
Exhaust heat recovery device Oct 28, 2015 Issued
Array ( [id] => 11597401 [patent_doc_number] => 09644555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-09 [patent_title] => 'Method of pre-emptively regenerating a lean nox trap' [patent_app_type] => utility [patent_app_number] => 14/927203 [patent_app_country] => US [patent_app_date] => 2015-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7612 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14927203 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/927203
Method of pre-emptively regenerating a lean nox trap Oct 28, 2015 Issued
Array ( [id] => 11881325 [patent_doc_number] => 09752488 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-09-05 [patent_title] => 'Systems and methods of an on-board NOx monitor reset test' [patent_app_type] => utility [patent_app_number] => 14/924228 [patent_app_country] => US [patent_app_date] => 2015-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 14729 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14924228 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/924228
Systems and methods of an on-board NOx monitor reset test Oct 26, 2015 Issued
Array ( [id] => 14701353 [patent_doc_number] => 10378414 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Work vehicle [patent_app_type] => utility [patent_app_number] => 15/521755 [patent_app_country] => US [patent_app_date] => 2015-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 27 [patent_no_of_words] => 11129 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15521755 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/521755
Work vehicle Oct 25, 2015 Issued
Array ( [id] => 11231524 [patent_doc_number] => 09458747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-04 [patent_title] => 'Electrically heated catalytic converter' [patent_app_type] => utility [patent_app_number] => 14/922198 [patent_app_country] => US [patent_app_date] => 2015-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7091 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14922198 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/922198
Electrically heated catalytic converter Oct 25, 2015 Issued
Array ( [id] => 10769696 [patent_doc_number] => 20160115852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-28 [patent_title] => 'DISPERSION PLATE AND INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/919307 [patent_app_country] => US [patent_app_date] => 2015-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6115 [patent_no_of_claims] => 6 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14919307 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/919307
Dispersion plate and internal combustion engine Oct 20, 2015 Issued
Array ( [id] => 10694469 [patent_doc_number] => 20160040615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-11 [patent_title] => 'SYSTEM AND METHOD OF DPF PASSIVE ENHANCEMENT THROUGH POWERTRAIN TORQUE-SPEED MANAGEMENT' [patent_app_type] => utility [patent_app_number] => 14/919123 [patent_app_country] => US [patent_app_date] => 2015-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4019 [patent_no_of_claims] => 32 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14919123 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/919123
System and method of DPF passive enhancement through powertrain torque-speed management Oct 20, 2015 Issued
Array ( [id] => 11569236 [patent_doc_number] => 20170107880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'Ruthenium Based Catalysts for NOx Reduction' [patent_app_type] => utility [patent_app_number] => 14/885147 [patent_app_country] => US [patent_app_date] => 2015-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3726 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14885147 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/885147
Ruthenium based catalysts for NOx reduction Oct 15, 2015 Issued
Array ( [id] => 11549066 [patent_doc_number] => 09617902 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-11 [patent_title] => 'Exhaust device for combustion engine' [patent_app_type] => utility [patent_app_number] => 14/885921 [patent_app_country] => US [patent_app_date] => 2015-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4240 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14885921 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/885921
Exhaust device for combustion engine Oct 15, 2015 Issued
Array ( [id] => 11866907 [patent_doc_number] => 20170234192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-17 [patent_title] => 'EXHAUST SYSTEM AND DEVICE TO INDUCE IMPROVED EXHAUST GAS MIXING PRIOR TO TREATMENT THROUGH A CATALYTIC CONVERTER' [patent_app_type] => utility [patent_app_number] => 15/518699 [patent_app_country] => US [patent_app_date] => 2015-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2031 [patent_no_of_claims] => 5 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15518699 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/518699
Exhaust system and device to induce improved exhaust gas mixing prior to treatment through a catalytic converter Oct 14, 2015 Issued
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