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] => 18733895 [patent_doc_number] => 11802619 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-31 [patent_title] => Planetary gear arrangement for carrying load and elliptical pin for supporting gear [patent_app_type] => utility [patent_app_number] => 17/888822 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3308 [patent_no_of_claims] => 13 [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] => 17888822 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/888822
Planetary gear arrangement for carrying load and elliptical pin for supporting gear Aug 15, 2022 Issued
Array ( [id] => 18854516 [patent_doc_number] => 11852080 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Gearbox assembly [patent_app_type] => utility [patent_app_number] => 17/817852 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8541 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17817852 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/817852
Gearbox assembly Aug 4, 2022 Issued
Array ( [id] => 17991017 [patent_doc_number] => 20220357054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => AIR TREATMENT DEVICE [patent_app_type] => utility [patent_app_number] => 17/872075 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17872075 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872075
Air treatment device Jul 24, 2022 Issued
Array ( [id] => 18854502 [patent_doc_number] => 11852066 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Engine aftertreatment system [patent_app_type] => utility [patent_app_number] => 17/814344 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5107 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814344 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814344
Engine aftertreatment system Jul 21, 2022 Issued
Array ( [id] => 18854502 [patent_doc_number] => 11852066 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Engine aftertreatment system [patent_app_type] => utility [patent_app_number] => 17/814344 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5107 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814344 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814344
Engine aftertreatment system Jul 21, 2022 Issued
Array ( [id] => 18854502 [patent_doc_number] => 11852066 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Engine aftertreatment system [patent_app_type] => utility [patent_app_number] => 17/814344 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5107 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814344 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814344
Engine aftertreatment system Jul 21, 2022 Issued
Array ( [id] => 19551308 [patent_doc_number] => 12135008 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Off-shore wind turbine system and method of installation [patent_app_type] => utility [patent_app_number] => 18/016801 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 5705 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18016801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/016801
Off-shore wind turbine system and method of installation Jul 21, 2022 Issued
Array ( [id] => 18854502 [patent_doc_number] => 11852066 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-26 [patent_title] => Engine aftertreatment system [patent_app_type] => utility [patent_app_number] => 17/814344 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5107 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814344 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814344
Engine aftertreatment system Jul 21, 2022 Issued
Array ( [id] => 18964758 [patent_doc_number] => 11898514 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Internal combustion engine with exhaust gas aftertreatment and control of the nitrogen oxide emissions [patent_app_type] => utility [patent_app_number] => 17/868593 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9346 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17868593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/868593
Internal combustion engine with exhaust gas aftertreatment and control of the nitrogen oxide emissions Jul 18, 2022 Issued
Array ( [id] => 19556712 [patent_doc_number] => 20240368504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => ADDITIVE FOR CLEANING SCR SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/576668 [patent_app_country] => US [patent_app_date] => 2022-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18576668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/576668
Additive for cleaning SCR systems Jul 3, 2022 Issued
Array ( [id] => 18461947 [patent_doc_number] => 11686233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => Method to control a burner for an exhaust system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/809890 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 7818 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [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] => 17809890 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809890
Method to control a burner for an exhaust system of an internal combustion engine Jun 28, 2022 Issued
Array ( [id] => 19059250 [patent_doc_number] => 11938447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Fluid injector, assembly and exhaust line comprising such an injector [patent_app_type] => utility [patent_app_number] => 17/851459 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4242 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17851459 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/851459
Fluid injector, assembly and exhaust line comprising such an injector Jun 27, 2022 Issued
Array ( [id] => 18576112 [patent_doc_number] => 11732630 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-22 [patent_title] => Diesel exhaust fluid injection shield and diesel exhaust fluid injection system [patent_app_type] => utility [patent_app_number] => 17/809324 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3988 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809324 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809324
Diesel exhaust fluid injection shield and diesel exhaust fluid injection system Jun 27, 2022 Issued
Array ( [id] => 18685732 [patent_doc_number] => 11781457 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Diesel exhaust fluid injection shield and diesel exhaust fluid injection system [patent_app_type] => utility [patent_app_number] => 17/809320 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4099 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809320 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809320
Diesel exhaust fluid injection shield and diesel exhaust fluid injection system Jun 27, 2022 Issued
Array ( [id] => 18605231 [patent_doc_number] => 11746687 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => EHC line leakage diagnosis method and vehicle exhaust system thereof [patent_app_type] => utility [patent_app_number] => 17/847669 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7275 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17847669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/847669
EHC line leakage diagnosis method and vehicle exhaust system thereof Jun 22, 2022 Issued
Array ( [id] => 17913983 [patent_doc_number] => 20220316378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => SYSTEMS AND METHODS FOR COORDINATED EXHAUST TEMPERATURE CONTROL WITH ELECTRIC HEATER AND ENGINE [patent_app_type] => utility [patent_app_number] => 17/843743 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843743 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843743
Systems and methods for coordinated exhaust temperature control with electric heater and engine Jun 16, 2022 Issued
Array ( [id] => 18845400 [patent_doc_number] => 20230407804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => SYSTEMS AND METHODS FOR PARTICULATE FILTER REGENERATION WITH CYLINDER DEACTIVATION [patent_app_type] => utility [patent_app_number] => 17/843473 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843473 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843473
Systems and methods for particulate filter regeneration with cylinder deactivation Jun 16, 2022 Issued
Array ( [id] => 18650208 [patent_doc_number] => 20230296040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => Three-Way Catalytic Converter Preheating Control Method and System, Vehicle and Storage Medium [patent_app_type] => utility [patent_app_number] => 18/041801 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4879 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18041801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041801
Three-way catalytic converter preheating control method and system, vehicle and storage medium Jun 12, 2022 Issued
Array ( [id] => 18748893 [patent_doc_number] => 11808195 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-07 [patent_title] => System and method for dosing a selective catalytic reduction catalyst [patent_app_type] => utility [patent_app_number] => 17/806377 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9660 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17806377 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/806377
System and method for dosing a selective catalytic reduction catalyst Jun 9, 2022 Issued
Array ( [id] => 18818192 [patent_doc_number] => 20230392532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => EXHAUST AFTER-TREATMENT IN HEAVY-DUTY MOTOR VEHICLES [patent_app_type] => utility [patent_app_number] => 17/830123 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9057 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17830123 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/830123
Exhaust after-treatment in heavy-duty motor vehicles May 31, 2022 Issued
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