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] => 17259323 [patent_doc_number] => 20210372308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => EXHAUST GAS TREATMENT SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/287932 [patent_app_country] => US [patent_app_date] => 2019-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 67746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17287932 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/287932
EXHAUST GAS TREATMENT SYSTEM AND METHOD Oct 20, 2019 Abandoned
Array ( [id] => 15455917 [patent_doc_number] => 20200040783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => EXHAUST GAS SYSTEM [patent_app_type] => utility [patent_app_number] => 16/600122 [patent_app_country] => US [patent_app_date] => 2019-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16600122 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/600122
EXHAUST GAS SYSTEM Oct 10, 2019 Abandoned
Array ( [id] => 17200862 [patent_doc_number] => 20210340957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => CONTROL OF A WIND ENERGY INSTALLATION [patent_app_type] => utility [patent_app_number] => 17/288050 [patent_app_country] => US [patent_app_date] => 2019-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5690 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17288050 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/288050
CONTROL OF A WIND ENERGY INSTALLATION Oct 9, 2019 Abandoned
Array ( [id] => 18129234 [patent_doc_number] => 11555435 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Exhaust aftertreatment unit for an exhaust system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/276670 [patent_app_country] => US [patent_app_date] => 2019-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4106 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [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] => 17276670 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/276670
Exhaust aftertreatment unit for an exhaust system of an internal combustion engine Oct 7, 2019 Issued
Array ( [id] => 16642807 [patent_doc_number] => 10920649 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-16 [patent_title] => Exhaust manifold stiffening ribs [patent_app_type] => utility [patent_app_number] => 16/592278 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5496 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16592278 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/592278
Exhaust manifold stiffening ribs Oct 2, 2019 Issued
Array ( [id] => 15682529 [patent_doc_number] => 20200095928 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => METHOD FOR DETECTING AND FOR MONITORING MANIPULATION OF AN SCR CATALYTIC CONVERTER SYSTEM [patent_app_type] => utility [patent_app_number] => 16/583417 [patent_app_country] => US [patent_app_date] => 2019-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16583417 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/583417
Method for detecting and for monitoring manipulation of an SCR catalytic converter system Sep 25, 2019 Issued
Array ( [id] => 16985934 [patent_doc_number] => 11073096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-27 [patent_title] => Vehicle and controlling method thereof [patent_app_type] => utility [patent_app_number] => 16/582585 [patent_app_country] => US [patent_app_date] => 2019-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6595 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16582585 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/582585
Vehicle and controlling method thereof Sep 24, 2019 Issued
Array ( [id] => 17998361 [patent_doc_number] => 11499460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Apparatus for adding a liquid reducing agent to the exhaust gas from an internal combustion engine and motor vehicle [patent_app_type] => utility [patent_app_number] => 17/273093 [patent_app_country] => US [patent_app_date] => 2019-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7363 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17273093 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273093
Apparatus for adding a liquid reducing agent to the exhaust gas from an internal combustion engine and motor vehicle Sep 24, 2019 Issued
Array ( [id] => 16971055 [patent_doc_number] => 11067020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-20 [patent_title] => Control device of internal combustion engine, internal combustion engine, and vehicle [patent_app_type] => utility [patent_app_number] => 16/581865 [patent_app_country] => US [patent_app_date] => 2019-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 13159 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16581865 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/581865
Control device of internal combustion engine, internal combustion engine, and vehicle Sep 24, 2019 Issued
Array ( [id] => 15364885 [patent_doc_number] => 20200018207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => EXHAUST GAS SYSTEM [patent_app_type] => utility [patent_app_number] => 16/579151 [patent_app_country] => US [patent_app_date] => 2019-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16579151 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/579151
Exhaust gas system Sep 22, 2019 Issued
Array ( [id] => 17324093 [patent_doc_number] => 11215095 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-04 [patent_title] => Automated guided vehicle for an emissions control system [patent_app_type] => utility [patent_app_number] => 16/579159 [patent_app_country] => US [patent_app_date] => 2019-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 7681 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16579159 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/579159
Automated guided vehicle for an emissions control system Sep 22, 2019 Issued
Array ( [id] => 18980728 [patent_doc_number] => 11905889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Aircraft turbomachine with reducer [patent_app_type] => utility [patent_app_number] => 17/278617 [patent_app_country] => US [patent_app_date] => 2019-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 6948 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17278617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/278617
Aircraft turbomachine with reducer Sep 18, 2019 Issued
Array ( [id] => 16635720 [patent_doc_number] => 10914218 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-09 [patent_title] => Exhaust gas aftertreatment system with mixing features [patent_app_type] => utility [patent_app_number] => 16/568892 [patent_app_country] => US [patent_app_date] => 2019-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4598 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16568892 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/568892
Exhaust gas aftertreatment system with mixing features Sep 11, 2019 Issued
Array ( [id] => 16933149 [patent_doc_number] => 20210199038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => IMPROVED AFTER TREATMENT SYSTEM FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 17/274173 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4769 [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] => 17274173 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/274173
After treatment system for a vehicle Sep 4, 2019 Issued
Array ( [id] => 17200786 [patent_doc_number] => 20210340881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => COMPOSITE-MATERIAL CASING HAVING AN INTEGRATED STIFFENER [patent_app_type] => utility [patent_app_number] => 17/273528 [patent_app_country] => US [patent_app_date] => 2019-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17273528 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273528
Composite-material casing having an integrated stiffener Sep 2, 2019 Issued
Array ( [id] => 17082811 [patent_doc_number] => 20210277817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => ADVANCED PREDICTION MODEL FOR SOOT OXIDATION [patent_app_type] => utility [patent_app_number] => 17/260102 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17260102 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/260102
Advanced prediction model for soot oxidation Aug 29, 2019 Issued
Array ( [id] => 17785203 [patent_doc_number] => 11408318 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Exhaust gas purification device [patent_app_type] => utility [patent_app_number] => 17/269408 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5710 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17269408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/269408
Exhaust gas purification device Aug 29, 2019 Issued
Array ( [id] => 17860313 [patent_doc_number] => 11441465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Exhaust gas purification device and ship including exhaust gas purification device [patent_app_type] => utility [patent_app_number] => 17/269382 [patent_app_country] => US [patent_app_date] => 2019-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 9212 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17269382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/269382
Exhaust gas purification device and ship including exhaust gas purification device Aug 28, 2019 Issued
Array ( [id] => 18518896 [patent_doc_number] => 11708779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Systems and methods for dry chemical reductant insertion in aftertreatment systems [patent_app_type] => utility [patent_app_number] => 17/281317 [patent_app_country] => US [patent_app_date] => 2019-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9751 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17281317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/281317
Systems and methods for dry chemical reductant insertion in aftertreatment systems Aug 28, 2019 Issued
Array ( [id] => 16673938 [patent_doc_number] => 20210062701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => SYSTEMS AND METHODS FOR FLUID LEVEL AND QUALITY MEASUREMENT FOR REDUCTANT STORAGE SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/551843 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16551843 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/551843
Systems and methods for fluid level and quality measurement for reductant storage systems Aug 26, 2019 Issued
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