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] => 13523401 [patent_doc_number] => 20180313243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => PARTICULATE MATTER DETECTING DEVICE [patent_app_type] => utility [patent_app_number] => 15/769794 [patent_app_country] => US [patent_app_date] => 2016-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15769794 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/769794
Particulate matter detecting device Oct 20, 2016 Issued
Array ( [id] => 16664161 [patent_doc_number] => 10933387 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-02 [patent_title] => Reducing agent mixer [patent_app_type] => utility [patent_app_number] => 16/328299 [patent_app_country] => US [patent_app_date] => 2016-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 8716 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16328299 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/328299
Reducing agent mixer Oct 20, 2016 Issued
Array ( [id] => 13252215 [patent_doc_number] => 10138791 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-27 [patent_title] => Method of cleaning up a particulate filter of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/298890 [patent_app_country] => US [patent_app_date] => 2016-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6167 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15298890 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/298890
Method of cleaning up a particulate filter of an internal combustion engine Oct 19, 2016 Issued
Array ( [id] => 13815227 [patent_doc_number] => 10184376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-22 [patent_title] => Method of managing a selective catalytic reduction system of a motor vehicle [patent_app_type] => utility [patent_app_number] => 15/295410 [patent_app_country] => US [patent_app_date] => 2016-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6817 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15295410 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/295410
Method of managing a selective catalytic reduction system of a motor vehicle Oct 16, 2016 Issued
Array ( [id] => 11529294 [patent_doc_number] => 20170089270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'Element of an Exhaust Line Comprising Valve with Added Stoppers' [patent_app_type] => utility [patent_app_number] => 15/278069 [patent_app_country] => US [patent_app_date] => 2016-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6307 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15278069 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/278069
Element of an exhaust line comprising valve with added stoppers Sep 27, 2016 Issued
Array ( [id] => 11499961 [patent_doc_number] => 20170074145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'Exhaust Sampling System Including A Mixer That Mixes Exhaust Gas And Dilution Gas' [patent_app_type] => utility [patent_app_number] => 15/259659 [patent_app_country] => US [patent_app_date] => 2016-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6884 [patent_no_of_claims] => 22 [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] => 15259659 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/259659
Exhaust Sampling System Including A Mixer That Mixes Exhaust Gas And Dilution Gas Sep 7, 2016 Abandoned
Array ( [id] => 14763189 [patent_doc_number] => 10392983 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-27 [patent_title] => Construction machine [patent_app_type] => utility [patent_app_number] => 15/757554 [patent_app_country] => US [patent_app_date] => 2016-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6758 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15757554 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/757554
Construction machine Sep 4, 2016 Issued
Array ( [id] => 11472004 [patent_doc_number] => 20170058787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'METHOD AND APPARATUS FOR COMBINED EXHAUST AND COMPRESSION RELEASE ENGINE BRAKING' [patent_app_type] => utility [patent_app_number] => 15/253708 [patent_app_country] => US [patent_app_date] => 2016-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4018 [patent_no_of_claims] => 32 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15253708 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/253708
Method and apparatus for combined exhaust and compression release engine braking Aug 30, 2016 Issued
Array ( [id] => 16184963 [patent_doc_number] => 10718274 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-21 [patent_title] => Exhaust pressure control valve [patent_app_type] => utility [patent_app_number] => 15/758755 [patent_app_country] => US [patent_app_date] => 2016-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 5737 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15758755 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/758755
Exhaust pressure control valve Aug 28, 2016 Issued
Array ( [id] => 13223861 [patent_doc_number] => 10125700 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-13 [patent_title] => System, method, and apparatus for managing aftertreatment component efficiency during motoring [patent_app_type] => utility [patent_app_number] => 15/249769 [patent_app_country] => US [patent_app_date] => 2016-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5078 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15249769 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/249769
System, method, and apparatus for managing aftertreatment component efficiency during motoring Aug 28, 2016 Issued
Array ( [id] => 11471952 [patent_doc_number] => 20170058736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'DRIVE DEVICE FOR A MOTOR VEHICLE AND METHOD OF OPERATING SUCH A DRIVE DEVICE' [patent_app_type] => utility [patent_app_number] => 15/248936 [patent_app_country] => US [patent_app_date] => 2016-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3642 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15248936 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/248936
Drive device for a motor vehicle and method of operating such a drive device Aug 25, 2016 Issued
Array ( [id] => 13252193 [patent_doc_number] => 10138780 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-27 [patent_title] => Method of operating an automotive system [patent_app_type] => utility [patent_app_number] => 15/235784 [patent_app_country] => US [patent_app_date] => 2016-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4925 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15235784 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/235784
Method of operating an automotive system Aug 11, 2016 Issued
Array ( [id] => 11443979 [patent_doc_number] => 20170045000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/235811 [patent_app_country] => US [patent_app_date] => 2016-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3496 [patent_no_of_claims] => 11 [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] => 15235811 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/235811
Method of operating an internal combustion engine Aug 11, 2016 Issued
Array ( [id] => 11443927 [patent_doc_number] => 20170044948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'METHOD AND SYSTEM FOR EXHAUST EMISSIONS CONTROL' [patent_app_type] => utility [patent_app_number] => 15/234905 [patent_app_country] => US [patent_app_date] => 2016-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6464 [patent_no_of_claims] => 17 [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] => 15234905 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/234905
Method and system for exhaust emissions control Aug 10, 2016 Issued
Array ( [id] => 13169187 [patent_doc_number] => 10100699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-16 [patent_title] => Emission control system and reductant injector [patent_app_type] => utility [patent_app_number] => 15/234706 [patent_app_country] => US [patent_app_date] => 2016-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 9092 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15234706 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/234706
Emission control system and reductant injector Aug 10, 2016 Issued
Array ( [id] => 12186160 [patent_doc_number] => 20180045096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-15 [patent_title] => 'SYSTEM AND METHOD FOR CONTROLLING DETECTING AND CLEANING DIESEL-EXHAUST-FLUID INJECTOR DEPOSITS' [patent_app_type] => utility [patent_app_number] => 15/233261 [patent_app_country] => US [patent_app_date] => 2016-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4288 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15233261 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/233261
System and method for controlling detecting and cleaning diesel-exhaust-fluid injector deposits Aug 9, 2016 Issued
Array ( [id] => 13197113 [patent_doc_number] => 10113469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-30 [patent_title] => Method of protecting a diesel particulate filter from overheating [patent_app_type] => utility [patent_app_number] => 15/233514 [patent_app_country] => US [patent_app_date] => 2016-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3702 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15233514 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/233514
Method of protecting a diesel particulate filter from overheating Aug 9, 2016 Issued
Array ( [id] => 13155197 [patent_doc_number] => 10094314 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-09 [patent_title] => Method of regenerating selective catalytic reduction catalyst on diesel particulate filter and exhaust purification system [patent_app_type] => utility [patent_app_number] => 15/233311 [patent_app_country] => US [patent_app_date] => 2016-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5164 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15233311 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/233311
Method of regenerating selective catalytic reduction catalyst on diesel particulate filter and exhaust purification system Aug 9, 2016 Issued
Array ( [id] => 13398173 [patent_doc_number] => 20180250629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => EXHAUST-GAS TREATMENT EQUIPMENT AND GAS-CAPTURE-MATERIAL DETERIORATION-STATE ESTIMATING METHOD [patent_app_type] => utility [patent_app_number] => 15/756427 [patent_app_country] => US [patent_app_date] => 2016-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15756427 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/756427
Exhaust-gas treatment equipment and gas-capture-material deterioration-state estimating method Aug 7, 2016 Issued
Array ( [id] => 12179324 [patent_doc_number] => 20180038260 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'METHODS OF USING GAS SENSORS' [patent_app_type] => utility [patent_app_number] => 15/228499 [patent_app_country] => US [patent_app_date] => 2016-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5040 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15228499 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/228499
Methods of using gas sensors Aug 3, 2016 Issued
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