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] => 16445418 [patent_doc_number] => 10837336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-17 [patent_title] => Exhaust gas purifying system [patent_app_type] => utility [patent_app_number] => 16/300321 [patent_app_country] => US [patent_app_date] => 2017-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2392 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16300321 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/300321
Exhaust gas purifying system May 10, 2017 Issued
Array ( [id] => 13266413 [patent_doc_number] => 10145284 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-04 [patent_title] => Exhaust after-treatment system including sliding mode ammonia controller [patent_app_type] => utility [patent_app_number] => 15/496723 [patent_app_country] => US [patent_app_date] => 2017-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6601 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 15496723 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/496723
Exhaust after-treatment system including sliding mode ammonia controller Apr 24, 2017 Issued
Array ( [id] => 16878614 [patent_doc_number] => 11028751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-08 [patent_title] => Method of controlling operation of an exhaust gas treatment apparatus [patent_app_type] => utility [patent_app_number] => 16/303335 [patent_app_country] => US [patent_app_date] => 2017-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4151 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16303335 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/303335
Method of controlling operation of an exhaust gas treatment apparatus Apr 24, 2017 Issued
Array ( [id] => 13509075 [patent_doc_number] => 20180306080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => CAPACITOR-POWERED CATALYST HEATER [patent_app_type] => utility [patent_app_number] => 15/495445 [patent_app_country] => US [patent_app_date] => 2017-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 15495445 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/495445
Capacitor-powered catalyst heater Apr 23, 2017 Issued
Array ( [id] => 12002663 [patent_doc_number] => 20170306818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'CONTROL APPARATUS FOR EXHAUST GAS PURIFICATION APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/490139 [patent_app_country] => US [patent_app_date] => 2017-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 13856 [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] => 15490139 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/490139
CONTROL APPARATUS FOR EXHAUST GAS PURIFICATION APPARATUS Apr 17, 2017 Abandoned
Array ( [id] => 14914833 [patent_doc_number] => 10428727 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-01 [patent_title] => Bonding strength enhancement for ceramic coating on high temperature alloy [patent_app_type] => utility [patent_app_number] => 15/487739 [patent_app_country] => US [patent_app_date] => 2017-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2659 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15487739 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/487739
Bonding strength enhancement for ceramic coating on high temperature alloy Apr 13, 2017 Issued
Array ( [id] => 11837104 [patent_doc_number] => 20170218823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'RETENTION OF WIRES IN AN INDUCTION HEATED GASEOUS EMISSIONS TREATMENT UNIT' [patent_app_type] => utility [patent_app_number] => 15/486358 [patent_app_country] => US [patent_app_date] => 2017-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7608 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [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] => 15486358 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/486358
Retention of wires in an induction heated gaseous emissions treatment unit Apr 12, 2017 Issued
Array ( [id] => 14120963 [patent_doc_number] => 10247333 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Self opening clamp [patent_app_type] => utility [patent_app_number] => 15/485989 [patent_app_country] => US [patent_app_date] => 2017-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3351 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15485989 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/485989
Self opening clamp Apr 11, 2017 Issued
Array ( [id] => 13480481 [patent_doc_number] => 20180291783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => EXHAUST TREATMENT SYSTEM INCLUDING AMMONIA STORAGE CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 15/481941 [patent_app_country] => US [patent_app_date] => 2017-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15481941 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/481941
Exhaust treatment system including ammonia storage control system Apr 6, 2017 Issued
Array ( [id] => 13480601 [patent_doc_number] => 20180291843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => METHOD AND SYSTEM FOR ENGINE EXHAUST CATALYST OPERATIONS [patent_app_type] => utility [patent_app_number] => 15/481383 [patent_app_country] => US [patent_app_date] => 2017-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15481383 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/481383
Method and system for engine exhaust catalyst operations Apr 5, 2017 Issued
Array ( [id] => 13749717 [patent_doc_number] => 10167795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-01 [patent_title] => Exhaust gas treatment system warm-up methods [patent_app_type] => utility [patent_app_number] => 15/479603 [patent_app_country] => US [patent_app_date] => 2017-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6125 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15479603 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/479603
Exhaust gas treatment system warm-up methods Apr 4, 2017 Issued
Array ( [id] => 13066489 [patent_doc_number] => 10054020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-21 [patent_title] => Exhaust purification control device for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/476377 [patent_app_country] => US [patent_app_date] => 2017-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 16177 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15476377 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/476377
Exhaust purification control device for internal combustion engine Mar 30, 2017 Issued
Array ( [id] => 13463409 [patent_doc_number] => 20180283247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => ASSEMBLY AND METHODS FOR NOx REDUCING REAGENT DOSING WITH VARIABLE SPRAY ANGLE NOZZLE [patent_app_type] => utility [patent_app_number] => 15/473106 [patent_app_country] => US [patent_app_date] => 2017-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15473106 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/473106
Assembly and methods for NO Mar 28, 2017 Issued
Array ( [id] => 11980096 [patent_doc_number] => 20170284250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'IN-EXHAUST ELECTRICAL ELEMENT FOR NOx STORAGE CATALYST AND SCR SYSTEMS' [patent_app_type] => utility [patent_app_number] => 15/472642 [patent_app_country] => US [patent_app_date] => 2017-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7564 [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] => 15472642 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/472642
IN-EXHAUST ELECTRICAL ELEMENT FOR NOx STORAGE CATALYST AND SCR SYSTEMS Mar 28, 2017 Abandoned
Array ( [id] => 11980156 [patent_doc_number] => 20170284310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'EXHAUST LINE VALVE AND CORRESPONDING ASSEMBLING PROCESS' [patent_app_type] => utility [patent_app_number] => 15/471211 [patent_app_country] => US [patent_app_date] => 2017-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7284 [patent_no_of_claims] => 10 [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] => 15471211 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/471211
Exhaust line valve and corresponding assembling process Mar 27, 2017 Issued
Array ( [id] => 13001105 [patent_doc_number] => 10024214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => SCR Device with valve arrangement [patent_app_type] => utility [patent_app_number] => 15/470101 [patent_app_country] => US [patent_app_date] => 2017-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3946 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15470101 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/470101
SCR Device with valve arrangement Mar 26, 2017 Issued
Array ( [id] => 13445759 [patent_doc_number] => 20180274422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => SOOT MODEL CONFIGURABLE CORRECTION BLOCK (CCB) CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 15/470327 [patent_app_country] => US [patent_app_date] => 2017-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5696 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15470327 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/470327
Soot model configurable correction block (CCB) control system Mar 26, 2017 Issued
Array ( [id] => 13888813 [patent_doc_number] => 10196953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Tank cover for diesel exhaust fluid tank [patent_app_type] => utility [patent_app_number] => 15/469308 [patent_app_country] => US [patent_app_date] => 2017-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 5914 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15469308 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/469308
Tank cover for diesel exhaust fluid tank Mar 23, 2017 Issued
Array ( [id] => 14073723 [patent_doc_number] => 20190085749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => INSULATED COMPOSITE HEAT SHIELD FOR VEHICLE EXHAUST SYSTEM [patent_app_type] => utility [patent_app_number] => 16/085284 [patent_app_country] => US [patent_app_date] => 2017-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16085284 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/085284
Insulated composite heat shield for vehicle exhaust system Mar 22, 2017 Issued
Array ( [id] => 13445751 [patent_doc_number] => 20180274418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => METHODS FOR MONITORING AND/OR CONTROLLING THE PERFORMANCE OF SELECTIVE CATALYTIC REDUCTION DEVICES [patent_app_type] => utility [patent_app_number] => 15/467466 [patent_app_country] => US [patent_app_date] => 2017-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15467466 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/467466
METHODS FOR MONITORING AND/OR CONTROLLING THE PERFORMANCE OF SELECTIVE CATALYTIC REDUCTION DEVICES Mar 22, 2017 Abandoned
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