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] => 17705374 [patent_doc_number] => 20220205380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => A MODULARIZED CATALYTIC CONVERTER AND A METHOD OF ENHANCING THE EFFICIENCY OF A CATALYTIC CONVERTER [patent_app_type] => utility [patent_app_number] => 17/613007 [patent_app_country] => US [patent_app_date] => 2020-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17613007 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/613007
A MODULARIZED CATALYTIC CONVERTER AND A METHOD OF ENHANCING THE EFFICIENCY OF A CATALYTIC CONVERTER May 18, 2020 Abandoned
Array ( [id] => 16453944 [patent_doc_number] => 20200363370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => METHOD FOR MONITORING A GAS SENSOR [patent_app_type] => utility [patent_app_number] => 16/876296 [patent_app_country] => US [patent_app_date] => 2020-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2680 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16876296 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/876296
Method for monitoring a gas sensor May 17, 2020 Issued
Array ( [id] => 18005776 [patent_doc_number] => 20220364542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => METHOD AND SYSTEM OF MANUFACTURING A WIND TURBINE BLADE [patent_app_type] => utility [patent_app_number] => 17/610118 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7506 [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] => 17610118 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/610118
Method and system of manufacturing a wind turbine blade May 7, 2020 Issued
Array ( [id] => 17735432 [patent_doc_number] => 20220220891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => COMBINED CYCLE POWER DEVICE [patent_app_type] => utility [patent_app_number] => 17/609316 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8515 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17609316 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/609316
COMBINED CYCLE POWER DEVICE Apr 27, 2020 Abandoned
Array ( [id] => 17923611 [patent_doc_number] => 11466851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Smoke removal device [patent_app_type] => utility [patent_app_number] => 16/857736 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3860 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [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] => 16857736 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/857736
Smoke removal device Apr 23, 2020 Issued
Array ( [id] => 18188064 [patent_doc_number] => 11578636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Method for determining the oxygen load of a catalytic converter of an internal combustion engine, and exhaust system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/603768 [patent_app_country] => US [patent_app_date] => 2020-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3481 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17603768 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/603768
Method for determining the oxygen load of a catalytic converter of an internal combustion engine, and exhaust system of an internal combustion engine Apr 15, 2020 Issued
Array ( [id] => 17045456 [patent_doc_number] => 11098626 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-24 [patent_title] => Fluid injection device and fluid injection system [patent_app_type] => utility [patent_app_number] => 16/843190 [patent_app_country] => US [patent_app_date] => 2020-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12362 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16843190 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/843190
Fluid injection device and fluid injection system Apr 7, 2020 Issued
Array ( [id] => 16191512 [patent_doc_number] => 20200232361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => POWER GENERATING SYSTEMS AND METHODS FOR REDUCING STARTUP NOx EMISSIONS IN FOSSILE FUELED POWER GENERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/836597 [patent_app_country] => US [patent_app_date] => 2020-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7687 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16836597 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/836597
Power generating systems and methods for reducing startup NOx emissions in fossile fueled power generation system Mar 30, 2020 Issued
Array ( [id] => 17126931 [patent_doc_number] => 20210301700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => SYSTEMS AND METHODS FOR COORDINATED EXHAUST TEMPERATURE CONTROL WITH ELECTRIC HEATER AND ENGINE [patent_app_type] => utility [patent_app_number] => 16/829581 [patent_app_country] => US [patent_app_date] => 2020-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10880 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16829581 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/829581
Systems and methods for coordinated exhaust temperature control with electric heater and engine Mar 24, 2020 Issued
Array ( [id] => 18129229 [patent_doc_number] => 11555430 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-17 [patent_title] => Device and method for reducing emissions from an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/819106 [patent_app_country] => US [patent_app_date] => 2020-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 6303 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16819106 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/819106
Device and method for reducing emissions from an internal combustion engine Mar 14, 2020 Issued
Array ( [id] => 17628000 [patent_doc_number] => 20220163015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => ELECTROMAGNETIC MEASUREMENTS FOR A WIND TURBINE [patent_app_type] => utility [patent_app_number] => 17/442367 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17442367 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/442367
ELECTROMAGNETIC MEASUREMENTS FOR A WIND TURBINE Mar 12, 2020 Abandoned
Array ( [id] => 16525977 [patent_doc_number] => 20200400057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => HONEYCOMB STRUCTURE, ELECTRIC HEATING TYPE HONEYCOMB STRUCTURE, ELECTRIC HEATING TYPE CATALYST AND EXHAUST GAS PURIFYING DEVICE [patent_app_type] => utility [patent_app_number] => 16/816787 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7348 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16816787 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/816787
Honeycomb structure, electric heating type honeycomb structure, electric heating type catalyst and exhaust gas purifying device Mar 11, 2020 Issued
Array ( [id] => 16298453 [patent_doc_number] => 20200284176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => METHODS AND SYSTEMS FOR AN AFTERTREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/810574 [patent_app_country] => US [patent_app_date] => 2020-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16810574 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/810574
Methods and systems for an aftertreatment system Mar 4, 2020 Issued
Array ( [id] => 17800745 [patent_doc_number] => 11415035 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Diesel engine high pressure SCR ventilation and pressure stabilization system [patent_app_type] => utility [patent_app_number] => 17/435962 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3643 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17435962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/435962
Diesel engine high pressure SCR ventilation and pressure stabilization system Mar 3, 2020 Issued
Array ( [id] => 19594692 [patent_doc_number] => 12152522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Systems and methods for determining amount of reductant deposits in aftertreatment systems [patent_app_type] => utility [patent_app_number] => 17/599437 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9960 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17599437 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/599437
Systems and methods for determining amount of reductant deposits in aftertreatment systems Feb 27, 2020 Issued
Array ( [id] => 17490945 [patent_doc_number] => 11280239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Outlet flow mixers for selective catalytic reduction systems of work vehicles [patent_app_type] => utility [patent_app_number] => 16/803236 [patent_app_country] => US [patent_app_date] => 2020-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 7452 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16803236 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/803236
Outlet flow mixers for selective catalytic reduction systems of work vehicles Feb 26, 2020 Issued
Array ( [id] => 16329185 [patent_doc_number] => 20200300151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => ELECTRIC HEATING TYPE SUPPORT AND EXHAUST GAS PURIFYING DEVICE [patent_app_type] => utility [patent_app_number] => 16/799028 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16799028 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/799028
Electric heating type support and exhaust gas purifying device Feb 23, 2020 Issued
Array ( [id] => 17030245 [patent_doc_number] => 11092052 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Electric heating type support, exhaust gas purifying device, and method for producing electric heating type support [patent_app_type] => utility [patent_app_number] => 16/798984 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10980 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16798984 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/798984
Electric heating type support, exhaust gas purifying device, and method for producing electric heating type support Feb 23, 2020 Issued
Array ( [id] => 17939532 [patent_doc_number] => 11473980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Method for measuring heat generation distribution in honeycomb structure, system for measuring heat generation distribution in honeycomb structure, method for producing honeycomb structure, and method for producing electric heating type support [patent_app_type] => utility [patent_app_number] => 16/797320 [patent_app_country] => US [patent_app_date] => 2020-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6478 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [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] => 16797320 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/797320
Method for measuring heat generation distribution in honeycomb structure, system for measuring heat generation distribution in honeycomb structure, method for producing honeycomb structure, and method for producing electric heating type support Feb 20, 2020 Issued
Array ( [id] => 16269548 [patent_doc_number] => 20200271035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => SYSTEMS AND METHODS FOR MIXING EXHAUST GAS AND REDUCTANT [patent_app_type] => utility [patent_app_number] => 16/796016 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796016 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796016
Systems and methods for mixing exhaust gas and reductant Feb 19, 2020 Issued
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