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] => 12771664 [patent_doc_number] => 20180149056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-31 [patent_title] => METHOD FOR CONTROLLING AN EXHAUST GAS TREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 15/361730 [patent_app_country] => US [patent_app_date] => 2016-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15361730 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/361730
Method for controlling an exhaust gas treatment system Nov 27, 2016 Issued
Array ( [id] => 13662255 [patent_doc_number] => 10161281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Exhaust purification system and control method thereof [patent_app_type] => utility [patent_app_number] => 15/362321 [patent_app_country] => US [patent_app_date] => 2016-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5856 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15362321 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/362321
Exhaust purification system and control method thereof Nov 27, 2016 Issued
Array ( [id] => 13001103 [patent_doc_number] => 10024213 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => Diesel exhaust fluid deposit mitigation [patent_app_type] => utility [patent_app_number] => 15/361846 [patent_app_country] => US [patent_app_date] => 2016-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 4510 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15361846 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/361846
Diesel exhaust fluid deposit mitigation Nov 27, 2016 Issued
Array ( [id] => 12567543 [patent_doc_number] => 10018092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-10 [patent_title] => Model predictive control for multi-can selective catalytic reduction system [patent_app_type] => utility [patent_app_number] => 15/359857 [patent_app_country] => US [patent_app_date] => 2016-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 10479 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 15359857 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/359857
Model predictive control for multi-can selective catalytic reduction system Nov 22, 2016 Issued
Array ( [id] => 12752392 [patent_doc_number] => 20180142631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => BOOST-ASSISTED PURGE FLOW TECHNIQUES FOR EVAPORATIVE EMISSIONS SYSTEMS [patent_app_type] => utility [patent_app_number] => 15/359683 [patent_app_country] => US [patent_app_date] => 2016-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15359683 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/359683
Boost-assisted purge flow techniques for evaporative emissions systems Nov 22, 2016 Issued
Array ( [id] => 12752401 [patent_doc_number] => 20180142634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => TECHNIQUES FOR CREATING PURGE VAPOR USING WASTE HEAT RECOVERY [patent_app_type] => utility [patent_app_number] => 15/359679 [patent_app_country] => US [patent_app_date] => 2016-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15359679 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/359679
Techniques for creating purge vapor using waste heat recovery Nov 22, 2016 Issued
Array ( [id] => 16321776 [patent_doc_number] => 10781733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-22 [patent_title] => Engine device [patent_app_type] => utility [patent_app_number] => 15/779027 [patent_app_country] => US [patent_app_date] => 2016-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5370 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15779027 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/779027
Engine device Nov 21, 2016 Issued
Array ( [id] => 11650037 [patent_doc_number] => 20170145938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-25 [patent_title] => 'MULT-MODE CONTROLS FOR ENGINES SYSTEMS INCLUDING SCR AFTERTREATMENT' [patent_app_type] => utility [patent_app_number] => 15/358853 [patent_app_country] => US [patent_app_date] => 2016-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7359 [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] => 15358853 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/358853
Mult-mode controls for engines systems including SCR aftertreatment Nov 21, 2016 Issued
Array ( [id] => 12567540 [patent_doc_number] => 10018091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-10 [patent_title] => Exhaust system [patent_app_type] => utility [patent_app_number] => 15/354191 [patent_app_country] => US [patent_app_date] => 2016-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 20877 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15354191 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/354191
Exhaust system Nov 16, 2016 Issued
Array ( [id] => 12730987 [patent_doc_number] => 20180135496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => COMPACT DESIGN EXHAUST AFTERTREATMENT SYSTEM WITH NOX SENSOR [patent_app_type] => utility [patent_app_number] => 15/353960 [patent_app_country] => US [patent_app_date] => 2016-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 15353960 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/353960
Compact design exhaust aftertreatment system with NOx sensor Nov 16, 2016 Issued
Array ( [id] => 16269552 [patent_doc_number] => 20200271039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => SYSTEMS AND METHODS FOR USING OXYGEN TO DIAGNOSE IN-RANGE RATIONALITY FOR NOx SENSORS [patent_app_type] => utility [patent_app_number] => 15/776342 [patent_app_country] => US [patent_app_date] => 2016-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12400 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15776342 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/776342
Systems and methods for using oxygen to diagnose in-range rationality for NOx sensors Nov 14, 2016 Issued
Array ( [id] => 13014895 [patent_doc_number] => 10030557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-24 [patent_title] => Exhaust passage having first and second catalysts [patent_app_type] => utility [patent_app_number] => 15/350744 [patent_app_country] => US [patent_app_date] => 2016-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7605 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15350744 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/350744
Exhaust passage having first and second catalysts Nov 13, 2016 Issued
Array ( [id] => 13252213 [patent_doc_number] => 10138790 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-27 [patent_title] => Heat recovery device of a vehicle and an assembly having the same [patent_app_type] => utility [patent_app_number] => 15/346312 [patent_app_country] => US [patent_app_date] => 2016-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4967 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15346312 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/346312
Heat recovery device of a vehicle and an assembly having the same Nov 7, 2016 Issued
Array ( [id] => 13624069 [patent_doc_number] => 20180363586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => VEHICLE CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 16/060079 [patent_app_country] => US [patent_app_date] => 2016-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16060079 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/060079
Vehicle control apparatus Nov 6, 2016 Issued
Array ( [id] => 13538059 [patent_doc_number] => 20180320576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => METHOD FOR MONITORING A QUALITY OF A CHEMICAL AGENT IN A FLUID USED IN A SYSTEM OF A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 15/773058 [patent_app_country] => US [patent_app_date] => 2016-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15773058 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/773058
METHOD FOR MONITORING A QUALITY OF A CHEMICAL AGENT IN A FLUID USED IN A SYSTEM OF A MOTOR VEHICLE Nov 2, 2016 Abandoned
Array ( [id] => 11623382 [patent_doc_number] => 20170133570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-11 [patent_title] => 'UNIT FOR CONVERSION OF THERMAL ENERGY' [patent_app_type] => utility [patent_app_number] => 15/338571 [patent_app_country] => US [patent_app_date] => 2016-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6150 [patent_no_of_claims] => 14 [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] => 15338571 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/338571
Unit for conversion of thermal energy Oct 30, 2016 Issued
Array ( [id] => 13608451 [patent_doc_number] => 20180355775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => TEMPERATURE CONTROL OF EXHAUST GAS OF A TRANSPORTATION REFRIGERATION UNIT [patent_app_type] => utility [patent_app_number] => 15/777052 [patent_app_country] => US [patent_app_date] => 2016-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15777052 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/777052
Temperature control of exhaust gas of a transportation refrigeration unit Oct 30, 2016 Issued
Array ( [id] => 13180317 [patent_doc_number] => 10105650 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-23 [patent_title] => Multi-pulse injection events for a dual-fuel engine [patent_app_type] => utility [patent_app_number] => 15/334632 [patent_app_country] => US [patent_app_date] => 2016-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4629 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15334632 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/334632
Multi-pulse injection events for a dual-fuel engine Oct 25, 2016 Issued
Array ( [id] => 13183321 [patent_doc_number] => 10107169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-23 [patent_title] => Exhaust gas cleaning apparatus for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/334737 [patent_app_country] => US [patent_app_date] => 2016-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3382 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15334737 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/334737
Exhaust gas cleaning apparatus for internal combustion engine Oct 25, 2016 Issued
Array ( [id] => 11628095 [patent_doc_number] => 20170138284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-18 [patent_title] => 'EXHAUST GAS PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/335121 [patent_app_country] => US [patent_app_date] => 2016-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8088 [patent_no_of_claims] => 9 [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] => 15335121 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/335121
Exhaust gas purifying apparatus for internal combustion engine Oct 25, 2016 Issued
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