
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[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
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[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
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[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
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Array
(
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[patent_issue_date] => 2023-12-26
[patent_title] => Engine aftertreatment system
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Array
(
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[patent_issue_date] => 2023-12-26
[patent_title] => Engine aftertreatment system
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[patent_app_number] => 17/814344
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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
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[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
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[patent_kind] => B1
[patent_issue_date] => 2023-12-26
[patent_title] => Engine aftertreatment system
[patent_app_type] => utility
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[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
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[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
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[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
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[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
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Array
(
[id] => 18576112
[patent_doc_number] => 11732630
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[patent_title] => Diesel exhaust fluid injection shield and diesel exhaust fluid injection system
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Array
(
[id] => 18685732
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[patent_title] => Diesel exhaust fluid injection shield and diesel exhaust fluid injection system
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Array
(
[id] => 18605231
[patent_doc_number] => 11746687
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[patent_issue_date] => 2023-09-05
[patent_title] => EHC line leakage diagnosis method and vehicle exhaust system thereof
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Array
(
[id] => 17913983
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[patent_title] => SYSTEMS AND METHODS FOR COORDINATED EXHAUST TEMPERATURE CONTROL WITH ELECTRIC HEATER AND ENGINE
[patent_app_type] => utility
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[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
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[patent_title] => SYSTEMS AND METHODS FOR PARTICULATE FILTER REGENERATION WITH CYLINDER DEACTIVATION
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/843473 | Systems and methods for particulate filter regeneration with cylinder deactivation | Jun 16, 2022 | Issued |
Array
(
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[patent_title] => Three-Way Catalytic Converter Preheating Control Method and System, Vehicle and Storage Medium
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Array
(
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Array
(
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[patent_title] => EXHAUST AFTER-TREATMENT IN HEAVY-DUTY MOTOR VEHICLES
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/830123 | Exhaust after-treatment in heavy-duty motor vehicles | May 31, 2022 | Issued |